$194+ Cheap flights from Sky Harbor Intl (PHX) to Islip, NY (ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Islip 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 Sky Harbor Intl to Islip
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Cheapest flights from Sky Harbor Intl to IslipExplore the most affordable flight options available from Sky Harbor Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop14h 00m
Mon 10/195:40 pm -
1 stop9h 30m
Deal found 9/22![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:10 am -
2 stops8h 10m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/22![Southwest logo]()
$387
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:12 pm -
1 stop16h 48m
Mon 10/196:55 pm -
1 stop28h 47m
Deal found 9/20![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
1 stop10h 25m
Wed 10/214:20 pm -
1 stop9h 20m
Deal found 9/20![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:40 am -
2 stops9h 00m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/20![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:55 pm -
2 stops13h 35m
Tue 10/274:20 pm -
2 stops9h 00m
Deal found 9/22![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:30 am -
1 stop10h 10m
Wed 11/259:25 am -
1 stop13h 15m
Deal found 9/21![Southwest logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/66:14 pm -
2 stops19h 44m
Mon 10/126:55 pm -
1 stop28h 47m
Deal found 9/18![Frontier logo]()
$456
Best flights from Sky Harbor Intl to IslipDiscover carefully curated flight deals from Sky Harbor Intl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:10 am -
2 stops8h 10m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/22![Southwest logo]()
$387
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:59 pm -
2 stops17h 32m
Fri 10/306:54 pm -
2 stops23h 23m
Deal found 9/19![Frontier logo]()
$570
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop14h 00m
Mon 10/195:40 pm -
2 stops8h 50m
Deal found 9/22![Southwest logo]()
$388
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:55 pm -
1 stop8h 55m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/20![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:30 pm -
1 stop10h 40m
Tue 10/274:20 pm -
1 stop8h 45m
Deal found 9/22![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
1 stop10h 25m
Wed 10/214:20 pm -
1 stop9h 20m
Deal found 9/20![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:30 am -
1 stop10h 10m
Wed 11/259:25 am -
1 stop13h 15m
Deal found 9/21![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:30 am -
2 stops10h 15m
Fri 11/271:35 pm -
2 stops13h 15m
Deal found 9/21![Southwest logo]()
$495
Last-minute flights from Sky Harbor Intl to IslipDiscover last-minute flight deals from Sky Harbor Intl to Islip. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Islip. Data last updated September 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/66:14 pm -
2 stops19h 44m
Mon 10/126:55 pm -
1 stop28h 47m
Deal found 9/18![Frontier logo]()
$456
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop14h 00m
Mon 10/195:40 pm -
1 stop9h 30m
Deal found 9/22![Southwest logo]()
$382
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:12 pm -
1 stop16h 48m
Mon 10/196:55 pm -
1 stop28h 47m
Deal found 9/20![Frontier logo]()
$396
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:30 pm -
1 stop10h 25m
Wed 10/214:20 pm -
1 stop9h 20m
Deal found 9/20![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:55 pm -
2 stops13h 35m
Tue 10/274:20 pm -
2 stops9h 00m
Deal found 9/22![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:40 am -
2 stops9h 00m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/20![Southwest logo]()
$403
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:10 am -
2 stops8h 10m
Wed 11/44:05 pm -
2 stops9h 35m
Deal found 9/22![Southwest logo]()
$387
One-way flights from Sky Harbor Intl to IslipSearch for one-way flight options from Sky Harbor Intl to Islip. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Sky Harbor Intl to Islip. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:20 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Thu 10/228:51 pm -
2 stops35h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$215
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:51 pm -
2 stops17h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2711:00 pm -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:01 am -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:51 pm -
2 stops17h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/26:25 am -
2 stops25h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$316
This Frontier deal was found by Cheapflights users on 9/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:29 pm -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2811:00 pm -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Tue 9/298:56 pm -
2 stops34h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$348
Find flight deals from Sky Harbor Intl to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Islip (ISP). 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (Cheapflightsfares) |
One-way from | $194 (Southwest) |
Popular in | June |
Cheapest in | March |
Average price | $520 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Islip 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 September 23, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/22
5:20 pm-10:20 am
1 stop14h 00m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$194
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/22
8:51 pm-11:20 am
2 stops35h 29m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sat 2/27
11:00 pm-11:04 am
1 stop10h 04m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$259
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Tue 12/22
11:29 pm-9:01 am
1 stop7h 32m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$323
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sat 10/31
6:10 am-5:20 pm
2 stops8h 10m
Islip Long Island
Wed 11/4
4:05 pm-11:40 pm
2 stops9h 35m
$387
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/15
5:20 pm-10:20 am
1 stop14h 00m
Islip Long Island
Mon 10/19
5:40 pm-11:30 pm
2 stops8h 50m
$388
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sat 10/17
8:51 pm-5:30 pm
2 stops17h 39m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$389
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Fri 10/9
7:32 pm-5:30 pm
2 stops18h 58m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$397
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Fri 10/30
10:55 pm-10:50 am
1 stop8h 55m
Islip Long Island
Wed 11/4
4:05 pm-11:40 pm
2 stops9h 35m
$398
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Tue 10/20
10:30 pm-12:10 pm
1 stop10h 40m
Islip Long Island
Tue 10/27
4:20 pm-10:05 pm
1 stop8h 45m
$398
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Islip
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 Sky Harbor Intl to Islip in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Islip, New York 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 Phoenix Sky Harbor Intl Airport-Islip, New York 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 Sky Harbor Intl to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Sky Harbor Intl with our price prediction graph.
PHX-ISP
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.
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated September 23, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Islip, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Islip
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Sky Harbor Intl and Islip flights
Browse other Sky Harbor Intl and Islip flight options. Last updated on September 23, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Sky Harbor Intl to Islip
Discover the top airline that operate flights from Sky Harbor Intl to Islip. 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 September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$347 | Average$477 | FlexibilityNo cancel fee | On-time63% |