$209+ Cheap flights from Cancún (CUN) to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SEA
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Cancún to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Cancún to Seattle
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Best
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Cheapest flights from Cancún to SeattleExplore the most affordable flight options available from Cancún to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Cancún to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 am -
1 stop15h 59m
Mon 11/167:05 pm -
1 stop8h 55m
Deal found 8/17![Air Canada logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:40 am -
1 stop11h 19m
Sun 10/118:00 pm -
2 stops35h 55m
Deal found 8/22![Multiple Airlines logo]()
$442
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:10 pm -
1 stop27h 12m
Fri 10/307:45 am -
1 stop12h 45m
Deal found 8/18![Air Canada logo]()
$444
This Trip.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:00 am -
1 stop9h 37m
Thu 11/267:05 pm -
1 stop8h 55m
Deal found 8/19![Air Canada logo]()
$466
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 pm -
1 stop23h 02m
Sun 12/67:05 pm -
1 stop18h 50m
Deal found 8/18![Air Canada logo]()
$468
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 am -
1 stop9h 37m
Sun 11/153:15 pm -
1 stop12h 45m
Deal found 8/18![Air Canada logo]()
$469
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:20 pm -
1 stop27h 12m
Fri 10/238:00 am -
1 stop23h 50m
Deal found 8/18![Air Canada logo]()
$478
Best flights from Cancún to SeattleDiscover carefully curated flight deals from Cancún to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Cancún to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Air Canada deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 pm -
1 stop23h 02m
Sun 12/67:05 pm -
1 stop18h 50m
Deal found 8/21![Air Canada logo]()
$492
This Volaris deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:40 am -
1 stop11h 19m
Sun 10/1111:00 pm -
1 stop11h 04m
Deal found 8/22![Volaris logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:25 am -
2 stops30h 17m
Sun 10/1111:00 pm -
1 stop11h 04m
Deal found 8/20![Multiple Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:05 pm -
1 stop12h 50m
Thu 9/248:25 pm -
2 stops16h 35m
Deal found 8/19![Southwest logo]()
$600
This Aeromexico deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:15 pm -
Nonstop6h 45m
Sun 12/67:10 am -
Nonstop5h 55m
Deal found 8/18![Aeromexico logo]()
$683
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:28 pm -
2 stops15h 05m
Sun 12/65:07 am -
1 stop7h 38m
Deal found 8/18![United Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:49 pm -
1 stop9h 10m
Tue 9/224:27 pm -
2 stops29h 31m
Deal found 8/20![Multiple Airlines logo]()
$585
This CheapOair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:40 am -
1 stop11h 19m
Tue 9/2211:00 pm -
1 stop14h 28m
Deal found 8/20![Volaris logo]()
$610
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:35 am -
2 stops12h 10m
Wed 9/3011:05 pm -
2 stops15h 10m
Deal found 8/17![Southwest logo]()
$631
Last-minute flights from Cancún to SeattleDiscover last-minute flight deals from Cancún to Seattle. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to Seattle. Data last updated August 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:47 am -
2 stops32h 49m
Tue 9/1511:00 pm -
1 stop15h 44m
Deal found 8/18![Multiple Airlines logo]()
$553
This Travelocity deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:40 am -
1 stop11h 19m
Mon 9/2110:50 am -
2 stops31h 20m
Deal found 8/17![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:40 am -
1 stop11h 19m
Tue 9/2210:57 am -
2 stops21h 06m
Deal found 8/18![Multiple Airlines logo]()
$554
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:05 pm -
1 stop25h 59m
Tue 9/298:00 am -
1 stop10h 10m
Deal found 8/18![Air Canada logo]()
$497
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:25 am -
2 stops30h 17m
Tue 9/2911:00 pm -
1 stop11h 04m
Deal found 8/18![Multiple Airlines logo]()
$509
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:49 pm -
1 stop9h 10m
Tue 9/2911:00 pm -
1 stop11h 04m
Deal found 8/18![Volaris logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:49 pm -
1 stop9h 10m
Wed 9/307:25 pm -
2 stops44h 49m
Deal found 8/21![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm -
1 stop9h 10m
Wed 9/307:25 pm -
2 stops18h 03m
Deal found 8/17![Multiple Airlines logo]()
$506
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:20 pm -
1 stop22h 57m
Wed 9/308:00 am -
1 stop10h 10m
Deal found 8/17![Air Canada logo]()
$547
One-way flights from Cancún to SeattleSearch for one-way flight options from Cancún to Seattle. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Cancún to Seattle. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:00 pm -
1 stop9h 08m
Deal found 8/18![Volaris logo]()
$209
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:40 am -
1 stop11h 19m
Deal found 8/18![Volaris logo]()
$213
This OneTravel deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:40 am -
1 stop11h 19m
Deal found 8/17![Volaris logo]()
$214
This CheapOair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:20 am -
1 stop11h 48m
Deal found 8/20![Volaris logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:47 am -
2 stops32h 39m
Deal found 8/17![Multiple Airlines logo]()
$225
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:40 am -
1 stop11h 19m
Deal found 8/17![Volaris logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:50 am -
2 stops33h 55m
Deal found 8/19![Multiple Airlines logo]()
$227
Find flight deals from Cancún to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $408 (Air Canada) |
One-way from | $209 (Super.com) |
Popular in | August |
Cheapest in | November |
Average price | $736 |
Good round-trip deal | $595 or less |
Good one-way deal | $310 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Cancún to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Cancún to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 12/3
6:35 pm-2:37 pm
1 stop23h 02m
Seattle/Tacoma Intl
Sun 12/6
7:05 pm-4:55 pm
1 stop18h 50m
$492
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 10/2
10:40 am-7:59 pm
1 stop11h 19m
Seattle/Tacoma Intl
Sun 10/11
11:00 pm-12:04 pm
1 stop11h 04m
$517
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Sun 10/4
5:25 am-9:42 am
2 stops30h 17m
Seattle/Tacoma Intl
Sun 10/11
11:00 pm-12:04 pm
1 stop11h 04m
$520
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 9/11
12:49 pm-7:59 pm
1 stop9h 10m
Seattle/Tacoma Intl
Tue 9/22
4:27 pm-11:58 pm
2 stops29h 31m
$585
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 9/17
1:05 pm-11:55 pm
1 stop12h 50m
Seattle/Tacoma Intl
Thu 9/24
8:25 pm-3:00 pm
2 stops16h 35m
$600
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Fri 9/11
10:40 am-7:59 pm
1 stop11h 19m
Seattle/Tacoma Intl
Tue 9/22
11:00 pm-3:28 pm
1 stop14h 28m
$610
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 9/24
11:35 am-9:45 pm
2 stops12h 10m
Seattle/Tacoma Intl
Wed 9/30
11:05 pm-4:15 pm
2 stops15h 10m
$631
Quickest round-trip
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 12/3
5:15 pm-9:00 pm
Nonstop6h 45m
Seattle/Tacoma Intl
Sun 12/6
7:10 am-4:05 pm
Nonstop5h 55m
$683
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Thu 12/3
12:28 pm-12:33 am
2 stops15h 05m
Seattle/Tacoma Intl
Sun 12/6
5:07 am-3:45 pm
1 stop7h 38m
$689
Cheapest one-way
CancúnSeattle
CUN Cancun - SEA Seattle/Tacoma Intl
CUNSEA
Cancun
Tue 12/15
10:20 am-7:08 pm
1 stop11h 48m
$242
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Cancún to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cancún to Seattle in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Cancún-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cancún-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Cancún to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Cancún with our price prediction graph.
CUN-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Cancún to Seattle
What is the cheapest month to book a flight from Cancún to Seattle?
Currently, November is the cheapest month in which you can book a flight from Cancún to Seattle (average of $332). Flying from Cancún to Seattle in August is currently the most expensive (average of $591). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Cancún to Seattle?
Airfare is below average for this route at the moment.
Cancún to Seattle flights typically cost between $487 and $672 in November.The cheapest round-trip price found within the last 5 days was $408 on Air Canada (Nov 9-Nov 16).
The best insider tips for Cancún to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated August 22, 2026.
Read reviews from past customers who have flown Delta from Cancún to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Cancún to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Kent
Marysville
Ellensburg
Ocean Shores
Lakewood
Fife
Poulsbo
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Cancún and Seattle flights
Browse other Cancún and Seattle flight options. Last updated on August 22, 2026.
Other flights from Cancún
Browse through other flights departing from Cancún. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Top airline flying from Cancún to Seattle
Discover the top airline that operate flights from Cancún to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$332 | Average$569 | FlexibilityNo cancel fee | On-timeN/A |