What Flights Can I Book With Miles? What Flights Can I Book With Miles?

What Flights Can I Book With Miles?

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It’s pretty frustrating to save miles for a big trip, only to discover that you can’t use them to get where you want to go. One of the most common problems faced by beginners is a poor understanding of their options. They often wonder what flights they can and can't book with miles.

In this post, we’ll explain how award availability works and how to find and book your next flight with miles like a pro.

What Is Award Availability?

Award availability — sometimes also called award space — refers to the seats on each flight that you can pay for with airline miles instead of cash. Folks who are new to points and miles often don’t realize that the options for booking award travel are significantly limited compared with booking cash fares. Most airlines won't give up all their seats as award redemptions, and this can cause you to see tickets for sale with cash but no seats available on that same flight when using miles — even if the plane is less than half full.

a plane passenger reads documents using the overhead light during a night-time flight
Credit: Mpumelelo Macu/Unsplash

The exception is revenue-based programs like Southwest Rapid Rewards and JetBlue TrueBlue, where all seats can be booked with points. That's because the number of points you need is directly tied to the cash price of the ticket.

Why Are Miles Subject to Blackout Dates?

The reason airlines limit award availability is simple: They would rather sell seats for cash than miles. Most frequent flyer programs don’t tie the price in miles to the retail cost of a flight. Award pricing is usually determined by either the region of the world you want to visit or the distance you fly.

For example, in a region-based award chart, it might cost 25,000 miles to fly round-trip from New York to Los Angeles. It doesn’t matter whether the cash price is $100 or $500, it would still cost the same 25,000 frequent flyer miles for that flight. To learn more about award pricing, check out the resource below.

Related: How Many Miles Do You Need for a Free Flight?

To make sure they don't give away awards seats that could have been sold for cash, airlines actively manage the award availability on each flight. If they expect to sell out the cabin with cash fares, award space may be removed for that flight. On the other hand, if a flight is expected to depart half-empty, the airlines may allow passengers to book additional seats with miles.

Since the award price doesn’t change with demand in most programs (the exception being revenue-based programs, as mentioned above), there are usually far more travelers who would like to spend miles than the award space can accommodate. As a result, you'll find you can use your miles for a small subset of all the flights you can book with money. Knowing how to find these seats is the key to maximizing your miles.

Frequent Flyer Programs vs. Airlines

Before we cover the types of award availability, it’s important to understand the difference between frequent flyer programs and airlines. Both play an important role in determining what flights you can book with your miles (and when you can book them).

For example, consider American Airlines AAdvantage, the frequent-flyer program of American Airlines. You can use AAdvantage miles to fly with two dozen partner airlines.

Oneworld partners:

  • American Airlines
  • Alaska Airlines
  • British Airways
  • Cathay Pacific
  • Finnair
  • Iberia
  • Japan Airlines
  • Malaysia Airlines
  • Qantas
  • Qatar Airways
  • Royal Air Maroc
  • Royal Jordanian Airlines
  • SriLankan Airlines

Non-alliance partners:

  • Air Tahiti Nui
  • Cape Air
  • China Southern Airlines
  • Etihad Airways
  • Fiji Airways
  • GOL Airlines
  • Hawaiian Airlines
  • IndiGo
  • JetBlue
  • JetSMART
  • Silver Airways

The inverse is also true: You can use points or miles from programs like Asia Miles (Cathay Pacific) or Executive Club (British Airways) to book flights operated by American Airlines since these airlines are partners in the Oneworld alliance.

One way to think of it is that a frequent flyer program is like a travel agent that lets you pay with miles — but only on specific partner airlines and with fewer options than you’d get with cash. When you use your American AAdvantage miles to book a flight on American’s partner British Airways, the AAdvantage program pays British Airways a pre-negotiated amount of money. But that payment is a lot less than the ticket price.

So British Airways is happy to take some money from American AAdvantage if the seat you’ll be occupying is likely to be empty. But British Airways would prefer to sell that seat to a paying customer for a lot more cash. Tying this back to our earlier discussion of award availability, it is the airline that is actually operating the flight (British Airways in this case) that decides how much award space to make available to their partner programs for redeeming points and miles.

Partner Award Space Is (Mostly) Universal

In most cases, the award space an airline offers to one partner is available to all of its partners. If United has two economy-class award seats available on its Washington, D.C. to Frankfurt route and you see those seats on one partner's website (such as Air Canada Aeroplan), you generally can book those seats with another partner (like Avianca LifeMiles).

If I want to fly to Frankfurt with two friends, we could each use a different type of miles and book seats right next to each other on the same flight. For example, United MileagePlus, Avianca LifeMiles, and Air Canada Aeroplan all can book award tickets on United Airlines flights.

But as you can see, even though you're booking a seat on the exact same United Airlines flight, the cost in miles and taxes/fees varies depending on which program you book with. Additionally, in many cases, airlines have removed their award charts, which can make it more challenging to know how many miles an award “should” cost.

Consider a United Airlines economy flight from Austin (AUS) to Frankfurt (FRA) with a connection in Houston (IAH). Here are the comparative costs of booking with these three programs we mentioned:

  • United MileagePlus: 40,000 miles + $5.60
  • Air Canada Aeroplan: 40,000 points + $55.50
  • Avianca LifeMiles: 30,000 miles + $26.70

While most airlines offer the same award space to all partners on a first-come, first-served basis, they often play favorites with their own frequent-flyer program. And as we'll explain in a moment, frequent flyer programs may offer more of the cheapest awards to their own members than they make available to partner programs.

Standard Awards: More Options at a Higher Price

Historically, award availability was a binary option: There was availability or there wasn't. But then as reservation systems became more sophisticated, many airlines introduced new levels or categories of award space at different prices.

For example, American Airlines no longer has an award chart. Instead, when you search for a flight, it will list a variety of different Economy Web Specials and other flights.  You can sort and filter by price, stopovers, duration, and a number of different factors. Here's an example of what it might look like when booking a flight between Los Angeles and Paris:

American Airlines award search results between Los Angeles and Paris

It's important to note that not all of these flights would be bookable by American Airlines' partner frequent flyer programs. Usually, only the lowest-priced tickets will be available via partner airline programs like Cathay Pacific or British Airways. Typically, you'll need to find “saver” award availability with an airline in order to book the ticket with partner miles.

Related: How To Find Airline Partner Award Flight Availability

United also offers higher-priced award space to its own MileagePlus members. In the screenshot below, the economy United flight labeled “Saver Award” can usually be booked with miles from partner frequent flyer programs, but the Premium Economy and Business flights would not be available to partners like Air Canada Aeroplan or Singapore KrisFlyer.

Screenshot showing United MileagePlus award pricing from Chicago to Tokyo

Special Award Availability

The rule that the lowest-priced saver awards are available to all partners does have some exceptions. Singapore Airlines offers some saver-level awards to its own KrisFlyer members that aren’t available to Star Alliance partner programs like United MileagePlus or Avianca LifeMiles.

In this situation, a person with Singapore KrisFlyer miles might be able to book the nonstop flight from Singapore to Newark, but someone redeeming United miles might only have access to a connecting itinerary (or maybe no flights at all). Saver availability on the nonstop flight costs 115,000 Singapore KrisFlyer miles.

Singapore Airlines award availability and pricing Singapore-Newark

Notice that on that same date, United MileagePlus (below) is charging 100,000 miles for a one-way, economy awardwith a connection!

United economy award Singapore-Newark with a connection in Los Angeles

If you have Singapore miles, you could fly nonstop in its world-renowned business class for only 115,000 miles. The price difference is even more significant when you consider that both United MileagePlus and Singapore KrisFlyer are Chase transfer partners. If you have Chase Ultimate Rewards, it only costs 15,000 more points to upgrade to business when you make the right transfer. United no longer has an award chart, so the price difference might vary by date and by route, but this can give you an idea of the power of booking with different sets of miles.

Elite status and co-brand credit cards can also impact award availability. United Airlines reserves extra award space on its own flights for MileagePlus members with elite status and non-elites who hold a United credit card.

When Can I Book With Miles?

Airlines usually start selling tickets up to a year before departure. If you plan trips that far ahead, you may be able to improve your chances of booking with miles by searching for award space when the schedule opens.

For award tickets, the program whose miles you plan to use and the airline you want to fly can both impact how early you can book your flight. Generally, frequent-flyer programs let you redeem miles on the same day their own airline opens its schedule for cash ticket sales.

Related: How Far in Advance Can I Book Award Tickets?

This keeps things simple if you want to use United miles to fly with United Airlines, but it becomes more complicated when your itinerary includes partner airlines. For example, Cathay Pacific, British Airways, and American Airlines open their schedules at 360, 354, and 331 days in advance, respectively. So, if you want to use British Airways Avios or Cathay Pacific Asia Miles to book one of American's flights, you'll have to wait until that flight goes on sale, 331 days before departure.

comparison of booking date availability for Asia Miles, American Airlines, and British Airways when booking award flights

While this scenario is easy enough to understand, it's important to think about which airline or program might be the limiting factor before you start your search. Consider, for example, a trip from London to Kansas City. If you plan to use British Airways Avios, and the transatlantic flight is operated by British Airways, you can book the first flight 355 days in advance. But, to get from the North American hub to Kansas City, you'll have to fly American. If you search for an award ticket all the way to Kansas City, you're likely to get a big fat zero in the search results.

error message trying to use British Airways Avios

However, the message from the Executive Club booking engine is misleading. It isn't true that British Airways and its partners do not fly this route. Searching for a departure two months earlier, you'll find American flights that can get you to Kansas City.

London to Kansas City flight availability using Avios

While you're lamenting your lack of options, points-and-miles savvy travelers will be busy confirming a business-class award to Dallas or New York, adding the flight on American when the schedule opens.

London to Dallas award availability using Avios

The inverse situation — where the miles you want to use are the limiting factor — can be equally problematic. If you plan to use American AAdvantage miles to fly with British Airways, you’ll have to wait until American allows you to book, which is 331 days in advance. Meanwhile, everyone with Cathay Pacific Asia Miles or British Airways Avios points is having a field day booking all the award space.

This is one of the core reasons it's important to diversify your points or concentrate on earning rewards with flexible points programs.

Before You Start Your Search

Before you start looking for award seats on specific dates, you want to make sure you are including all the possible options in your search.

Award redemption partners

What flights could you book with your points or miles? If you have a specific destination, see what airlines fly there and then determine which points or miles you have that can book that award space. For example, you can book 47 different airlines using Aeroplan points.

Here's our dedicated post on airline partners and alliances to help you understand your options. And if you've honed in on a flight that you want to book, go to that airline's website and search for its partners. The vast majority of those partners can be used to book the flight, providing options for what points and miles you can use.

Know the pricing

Each frequent flyer program sets its own pricing for award tickets, and there can be big differences. It helps to know in advance which programs offer the best prices, so you can prioritize your award search.

If you have several types of frequent flyer miles — or transferable points like American Express Membership Rewards, Capital One milesChase Ultimate Rewards, or Citi ThankYou Points — you can save a lot of points and money by booking with the right program. Check out our guide to award pricing for a full breakdown.

How To Find Award Space

Airline websites rarely show all your award options. Sometimes, you need to know where to look in order to see all of the possibilities. One example is that American Airlines has two dozen partners, but you won't find seats with all of them online. If you want to use your AAdvantage miles to fly on American’s partner China Southern Airlines, you won’t find these flights on aa.com. You can book the ticket by calling American AAdvantage, but if you want to look for flights before you get on the phone, you'll need to use another partner site (AirFrance Flying Blue, for example) to see what is available.

It can be a bit overwhelming and time-consuming to check several different websites for award availability. Thankfully, there are a few simple tricks you can use to get the most out of your miles. For more detailed information on the best airline websites to use, check out our complete guide on how to find airline partner award availability.

Another recent development has been the introduction of websites that allow you to easily compare different options. Here are a few of the more popular, along with our reviews:

Here's a screenshot from one of the tools (PointsYeah), showing a booking from Chicago to London:

Example search results from PointsYeah

Final Thoughts

Award availability is one of the most important concepts to understand if you want to maximize the value of your frequent flyer miles. Here are the key things to remember:

  • You can use miles to book a small subset of the flights for sale.
  • Most airline miles can be used to book flights with numerous partners — not just the airline that is associated with the rewards program.
  • Airlines determine their award availability and offer those seats to partner programs and their own frequent flyers.
  • Some airlines play favorites and offer more seats to their own members.
  • If an award seat is available to one partner, it's usually available to all partners.
  • Both the program whose miles you plan to use and the airline you want to fly can impact how far in advance you can book.
  • Many frequent flyer programs won't show all your options online. You may need to call to book.

Armed with this knowledge, you are far ahead of most people who are competing for limited award space. It takes some time to learn, but the investment will pay big dividends.

Did you learn something new from this post? Is there another topic you'd like to see us cover in a beginner's guide? Let us know in the comments!

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  • I believe that different airline programs operate on different systems, for example Amadeus, and this may have bearing on how far out award space becomes available? Can anyone who has more experience or knowledge comment further please?


    Very good post. From Argentina the exchange of American Airlines is very complicated, but I have made several interesting one way to Brazil, and from there to Europe at a very convenient rate. It is a matter of doing millera engineering. Greetings.

  • Frustrating to save miles for a big trip, only to discover that you can’t use them to get where you want to go is a situation that has happened to me on several occasions and this article is very useful to understand the reasons as many frequent-flyer programs won’t show all your options online so you may need to call to book and as cood happened the program whose miles you plan to use and the airline you want to fly can impact how early you can book.
    I thank you for the publication and the advice to optimize the use of my miles going forward. Regards

  • I live in Argentina and im a member of AA Advantage. In my country is almost imposible to book flights in AA partners

  • My favorite use of miles has been aspirational flights on partner airlines using AA miles from credit cards. Though availability looks low to book business and first class, if you search within the last 10 days before departure, usually availability opens up that would normally be held.

  • Thank you very much for this helpful guide, but I have a problem when I try to book award flight.
    I always try to book in advance VCE-USA (1stop) with American Airlines in business class, but I usually find “something where wrong” or just British Airways flights with expensive taxes. For example with Alitalia there are just two seats/flight in business, same with AA?

  • The links to related articles is very useful. One thing that would make it easier for us beginners would be a searchable table of contents, or something similar. I’ve found that I can use the search bar to look for a specific topic, but articles that I’ve read and am trying to reference do not always come up. So unless I bookmark, say, this specific post, I won’t always be able to find it when I want to reference it and I run a search.

  • With miles or paying cash I want to travel again now. I hope they open the borders soon.

  • This article doesn’t really discuss the fact that most airlines have moved to variable award prices, which makes it harder to know in advance whether miles will be a good deal.

  • For the Asia – Europe awards, you want to fly Swiss, ANA, etc., but the United system keeps pushing you to pick Air China and Air India. LOL

  • AA does not show Fiji award availability at all on it s website? Really?

  • Well constructed piece but too thorough for newbies. Better as a refresher.

  • For outsized reward, the airlines make you go thru all the hoops. Its hard to get those business and first class seats especially if you are looking for 2 or more seats on one flight.

  • You have to be really determined to save and transfer the miles to the Krisflyer program in order to redeem the dream SQ awards.

  • Thanks, it is always helpful to have a single source that gives a fairly comprehensive quick overview of how to use miles and book on the various airlines.

  • Good note for those of us who are beginners in award travel. The fees and taxes that are paid when booking an award ticket also vary from airline to airline or is it something already established for each destination?

  • One of the most important frequent flyer programs for those of us residing in Latin America is Smiles from the Gol airline. Perhaps it will be due to the context of a pandemic, but there are gift swaps to travel by bussiness to Europe and Asia.

  • good refresher for this FF that joined AA and UA about 35 years ago.

    • Yes, even with 3 decades plus experience, I find that refreshers are still needed with some regularity. I’d like to think that speaks to the complex, evolving programs and not me.