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Airfare pricing can feel unpredictable. One day a flight looks reasonable, and the next it jumps by hundreds of dollars — or drops right after you book. That makes it hard to know whether you should buy now, wait for a better deal, or keep watching.
Flight price trackers take some of the guesswork out of the process. These tools monitor fares for your chosen route and dates, then alert you when prices change. Some even tell you whether current prices look high, low, or typical for that trip.
Below, we’ll walk through some of the best flight price tracker websites and apps, how each one works, and when it makes sense to use more than one.
Best Flight Price Tracker Websites and Apps
Google Flights
At the top of the list for ease of use and functionality, Google Flights has become many travelers' go-to flight search tool. Google Flights lets you track prices across multiple dates, destinations, and cabin classes. It also lets you track individual airlines or alliances, choose the number of stops, select layover airports, flight duration, and more. It's a one-stop shop for all things flight tracking.
To track flight prices, fill out your departure and arrival airports, dates, and number of travelers in your party. Use the drop-down menus to apply any additional filters mentioned above, then click “Search.”
You'll see the top few results and an indication of whether the prices are currently low, typical, or high. Just below this, you can find the “Track prices” button. Turn it on to receive emails any time your flight price changes. If you have flexible dates, you can enable the “Any dates” button to be notified when prices change across the calendar.
KAYAK
KAYAK is similar to Google Flights in its search and filtering features. To search for flights, enter your departure and destination airports along with your travel dates. When you click the “Date” field, a color-coded calendar pops up showing price points. Before hitting “Search,” you can also specify your baggage allowance and cabin preferences.
After searching, you can use the left sidebar to filter by additional preferences, such as the number of stops, specific airlines, departure and arrival times, and more. Once you've applied your preferred filters, click “Track prices” to receive email alerts whenever the fare changes.
Capital One Travel
Next on our list of flight price tracker websites is Capital One Travel. This Hopper-powered travel search and booking portal helps you find the cheapest travel dates and even tells you when you're getting what's predicted to be the best price. If you're unsure when to buy, you can set up a free Price Watch to get email updates when the price drops.
The Capital One Travel app is a much more mobile-friendly version of the Capital One Travel website, and also includes information about Capital One Lounges.
As if that's not enough, Capital One Travel also offers free Price Drop Protection. If its price prediction recommends booking your flight and the fare drops within 10 days, you'll automatically receive a Capital One Travel credit for the difference, up to $50.
Related: How I Got $78 back in 8 Minutes Through the Capital One Travel Price Match Guarantee
The catch: Capital One Travel is only available to eligible Capital One cardholders. So, you'll need a card like the Capital One Venture Rewards Credit Card or Capital One Venture Business to access Capital One Travel. Even no-annual-fee cards, such as the Capital One Quicksilver Cash Rewards Credit Card, will unlock access to this free flight price-tracking and booking option.
$95
- 5X miles per dollar on purchases through Capital One Entertainment
- 5X miles per dollar on hotels, vacation rentals and rental cars booked through Capital One Travel
- 2X miles per dollar on all other purchases
$95
- 5X miles per $1 on hotels, vacation rentals and rental cars booked via Capital One Business Travel
- 2X miles per $1 on other eligible purchases
$0
- 5% cash back on hotels, vacation rentals, and rental cars booked through Capital One Travel
- 5% cash back on purchases through Capital One Entertainment
- 1.5% cash back on every purchase, every day
Skyscanner
Skyscanner is one of the largest travel search engines in the world. It scans hundreds of websites to find the best prices on airfare, hotels, and more. To track flights, you will first set up an account. Then, enter your search dates and airports. After you hit search, you can filter results using the options on the left side of the page. Like Capital One Travel, Skyscanner also provides an estimate of whether the fare is low, typical, or high for your selected route.
Instead of a “Track prices” toggle like other websites, you will select the “Get Price Alerts” button on the left side of the page. You'll get an email when the flight price changes.
Hopper
Hopper is one of the most downloaded travel apps in North America. The company uses a multibillion-point algorithm to help predict the best time to book a flight. Previously, it was only available as an app, but you can now use the Hopper website to search as well. That being said, the flight price tracker is only available through the app.
When searching for flights, Hopper will tell you whether it's a good time to buy or if you should wait for the price to drop.
First, enter your departure and arrival cities and dates. Next, Hopper will either tell you to book now or wait. If Hopper recommends waiting, select “Watch This Trip” to be notified of price drops.
Going
Going is a unique flight price tracker that monitors flights from your home airport. Furthermore, it recommends other nearby airports or hubs you may be interested in including in your search. Instead of choosing destinations and then receiving emails for those, you will get notified of all deals from any of your selected airports.
Going offers both free and paid memberships. The free Limited membership includes economy flight deals within the continental U.S.
Premium membership costs $49 per year and includes being the first to know about economy seats from your selected airports to destinations worldwide.
Elite membership costs $199 annually and allows more customization with the types of deals you receive, plus it includes premium economy, business, and first-class tickets.
Kiwi.com
Our final flight price tracker is Kiwi.com. Like the other travel search engines, Kiwi.com helps you find the lowest-priced flights across multiple airlines. This is especially helpful when booking a positioning flight to catch an award flight from a different airport.
To search, enter your route and travel dates. When the results pop up, you can toggle “Set up price alerts” on the left side of the page to be notified of price changes. Under that toggle, there are also flight-filtering options for baggage allowances, number of stops, carriers, price, and more.
Changing Your Flight
Tracking ticket prices is more important than ever now that many airlines no longer charge change fees.
After booking, it's important to keep an eye on prices. If prices change, you may be able to rebook your same flight and get a refund or travel credit for the price difference. Alternatively, you may be able to cancel for a full refund and then book a new (cheaper) flight.
Related: How To Track Your Travel Plans With the AwardWallet Timeline
Pay With the Right Credit Card
Once you've found your flight, it's important to pay with the right card. There are many great travel cards out there. Here are some of our favorite cards for earning lots of points on flights booked through these or other websites:
- American Express Platinum Card®: 5X points on flights booked directly with airlines or with American Express Travel® (on up to $500,000 on these purchases per calendar year) and 5X points on prepaid hotels (including Fine Hotels + Resorts® and The Hotel Collection) booked through American Express Travel®
- Chase Sapphire Reserve® (Rates & Fees):8x total points on purchases through Chase Travel℠, 4x points on flights and hotels booked directly, 3x on dining, and 1 point per $1 spent on all other purchases
$895Rates & Fees
(Terms apply)
- Earn 5X points for flights booked directly with airlines or with American Express Travel® (up to $500,000 in purchases per calendar year).
- Earn 5X points on prepaid hotels booked with American Express Travel®.
- Earn 5X points on Fine Hotels + Resorts® and The Hotel Collection bookings.
$795Rates & Fees
- 8x points on all purchases through Chase Travel℠
- 4x points on flights and hotels booked directly
- 3x points on dining worldwide
- 1x points on all other purchases
Or, if you're looking for a card with a lower annual fee, here are the best cards for booking travel that charge less than $100 annual fee:
- Chase Sapphire Preferred® Card (Rates & Fees): 5x on travel purchased through Chase Travel℠ and 2x on all other travel purchases.
- Citi Strata Premier® Card (Rates & Fees): Earn 3 Points per $1 spent on Air Travel and Other Hotel Purchases.
- Ink Business Preferred® Credit Card (Rates & Fees): 3x points per $1 on the first $150,000 spent in combined purchases on travel, shipping purchases, Internet, cable and phone services, and advertising purchases made with social media sites and search engines each account anniversary year.
$95Rates & Fees
- 5X points on Lyft rides through September 2027
- 5X points on travel purchased through Chase Travel℠
- 3X points on dining at restaurants worldwide
- 3X points on gas and EV charging
- 3X points on vacation homes at top brands like Airbnb, Vrbo and more
- 3X points on eligible streaming services
- 3X points on online grocery purchases (excluding Target, Walmart, and wholesale clubs)
- 2X points on all other travel
- 1X point per dollar spent on all other purchases
$95Rates & Fees
- 10X on Hotels, Car Rentals, and Attractions booked through CitiTravel.com
- 3X – Earn 3 Points per $1 spent on Air Travel and Other Hotel Purchases
- 3X – Earn 3 Points per $1 spent on Restaurants
- 3X – Earn 3 Points per $1 spent on Supermarkets
- 3X – Earn 3 Points per $1 spent on Gas and EV Charging Stations
- 1X – Earn 1 Point per $1 spent on All Other Purchases
$95Rates & Fees
- 3X points per $1 on the first $150,000 spent in combined purchases on travel, shipping purchases, Internet, cable and phone services, advertising purchases made with social media sites and search engines each account anniversary year
- 1X point per $1 on all other purchases
Related: Best Rewards Cards for Travel Purchases
Final Thoughts
Flight price trackers won’t guarantee that you’ll always book at the absolute lowest price, but they can help you make a more informed decision — and avoid constantly checking fares manually.
Google Flights is still the easiest starting point for most travelers, while tools like KAYAK, Skyscanner, Hopper, Going, Kiwi.com, and Capital One Travel can each be useful depending on the type of trip you’re booking. Since most of these tools are free, it often makes sense to set up alerts in more than one place.
And don’t stop tracking prices once you book. With many airlines no longer charging change fees, a price drop after purchase could still help you rebook and recover the difference as a travel credit or refund, depending on the fare rules. Pair that with the right travel rewards card, and you’ll be in a better position to save money and earn valuable points on your next flight.
For rates and fees of the cards mentioned in this post, please visit the following links: Chase Sapphire Reserve® (Rates & Fees), American Express Platinum Card® (Rates & Fees), Chase Sapphire Preferred® Card (Rates & Fees), Citi Strata Premier® Card (Rates & Fees), and Ink Business Preferred® Credit Card (Rates & Fees)
