$213+ Cheap flights from Portland (PDX) to Saint Thomas Island (STT)
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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STT
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Saint Thomas Island 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
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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 Portland to Saint Thomas Island
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Best
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Cheapest flights from Portland to Saint Thomas IslandExplore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:03 pm
PDX
- STT
1 stop9h 14m
American Airlines
Tue 11/171:07 pm
STT
- PDX
1 stop14h 52m
American Airlines
Deal found 7/24![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:00 pm
PDX
- STT
2 stops18h 53m
American Airlines
Fri 8/284:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/24![American Airlines logo]()
$533
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:55 pm
PDX
- STT
2 stops14h 03m
American Airlines
Fri 12/112:49 pm
STT
- PDX
1 stop13h 03m
American Airlines
Deal found 7/27![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:59 pm
PDX
- STT
1 stop13h 00m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops23h 06m
American Airlines
Deal found 7/27![American Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 10/247:29 pm
PDX
- STT
2 stops15h 02m
United Airlines
Sat 10/312:35 pm
STT
- PDX
1 stop11h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:09 pm
PDX
- STT
2 stops12h 44m
American Airlines
Sun 11/221:07 pm
STT
- PDX
2 stops14h 58m
American Airlines
Deal found 7/24![American Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:15 pm
PDX
- STT
1 stop20h 44m
JetBlue
Fri 8/282:49 pm
STT
- PDX
2 stops25h 12m
JetBlue
Deal found 7/27![JetBlue logo]()
$647
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:00 pm
PDX
- STT
2 stops18h 58m
American Airlines
Sat 10/313:46 pm
STT
- PDX
2 stops24h 47m
American Airlines
Deal found 7/26![American Airlines logo]()
$656
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:18 am
PDX
- STT
2 stops28h 35m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:38 pm
PDX
- STT
2 stops23h 14m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$663
Best flights from Portland to Saint Thomas IslandDiscover carefully curated flight deals from Portland to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Portland to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2310:55 pm
PDX
- STT
1 stop11h 45m
American Airlines
Mon 2/16:39 pm
STT
- PDX
2 stops21h 06m
American Airlines
Deal found 7/28![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 10/247:29 pm
PDX
- STT
2 stops15h 02m
United Airlines
Sat 10/312:35 pm
STT
- PDX
1 stop11h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 1/191:39 pm
PDX
- STT
3 stops20h 17m
United Airlines
Tue 1/261:02 pm
STT
- PDX
2 stops14h 10m
United Airlines
Deal found 7/27![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 1/227:49 pm
PDX
- STT
2 stops14h 41m
United Airlines
Sat 1/303:35 pm
STT
- PDX
1 stop11h 43m
United Airlines
Deal found 7/25![United Airlines logo]()
$767
Last-minute flights from Portland to Saint Thomas IslandDiscover last-minute flight deals from Portland to Saint Thomas Island. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Saint Thomas Island. Data last updated July 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:00 pm
PDX
- STT
2 stops18h 53m
American Airlines
Fri 8/284:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/24![American Airlines logo]()
$533
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:15 pm
PDX
- STT
1 stop20h 44m
JetBlue
Fri 8/282:49 pm
STT
- PDX
2 stops25h 12m
JetBlue
Deal found 7/27![JetBlue logo]()
$647
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:34 pm
PDX
- STT
2 stops13h 18m
American Airlines
Sun 9/63:43 pm
STT
- PDX
2 stops22h 51m
American Airlines
Deal found 7/27![American Airlines logo]()
$689
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:18 am
PDX
- STT
2 stops28h 35m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:38 pm
PDX
- STT
2 stops23h 14m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops21h 52m
American Airlines
Deal found 7/27![American Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:59 pm
PDX
- STT
1 stop13h 00m
American Airlines
Sun 9/64:42 pm
STT
- PDX
2 stops23h 06m
American Airlines
Deal found 7/27![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:00 pm
PDX
- STT
2 stops21h 52m
American Airlines
Wed 9/91:41 pm
STT
- PDX
2 stops24h 14m
American Airlines
Deal found 7/27![American Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:55 pm
PDX
- STT
1 stop11h 39m
Delta
Sun 9/62:49 pm
STT
- PDX
1 stop9h 55m
Delta
Deal found 7/27![Delta logo]()
$710
One-way flights from Portland to Saint Thomas IslandSearch for one-way flight options from Portland to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Portland to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 9/411:02 pm
PDX
- STT
2 stops13h 41m
United Airlines
Deal found 7/25![United Airlines logo]()
$213
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:19 pm
PDX
- STT
1 stop20h 40m
JetBlue
Deal found 7/25![JetBlue logo]()
$292
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 pm
PDX
- STT
2 stops17h 55m
American Airlines
Deal found 7/24![American Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 7/25. 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 9/37:00 pm
PDX
- STT
2 stops15h 50m
Southwest
Deal found 7/25![Southwest logo]()
$357
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:00 pm
PDX
- STT
2 stops18h 53m
American Airlines
Deal found 7/23![American Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 10/812:34 pm
PDX
- STT
3 stops40h 16m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/31:47 pm
PDX
- STT
3 stops26h 33m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 8/1512:20 pm
PDX
- STT
3 stops24h 15m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$524
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:44 pm
PDX
- STT
1 stop11h 55m
American Airlines
Deal found 7/28![American Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/73:22 pm
PDX
- STT
3 stops37h 28m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$610
Find flight deals from Portland to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Saint Thomas Island (STT). 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $420 (American Airlines) |
One-way from | $213 (United Airlines) |
Popular in | October |
Cheapest in | August |
Average price | $838 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Saint Thomas Island 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 2,558,603 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sat 1/23
10:55 pm-2:40 pm
1 stop11h 45m
Saint Thomas Island Cyril E King
Mon 2/1
6:39 pm-11:45 am
2 stops21h 06m
$420
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sat 10/24
7:29 pm-1:31 pm
2 stops15h 02m
Saint Thomas Island Cyril E King
Sat 10/31
2:35 pm-11:17 pm
1 stop11h 42m
$569
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Tue 1/19
1:39 pm-1:56 pm
3 stops20h 17m
Saint Thomas Island Cyril E King
Tue 1/26
1:02 pm-11:12 pm
2 stops14h 10m
$659
Quickest round-trip
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 1/22
7:49 pm-2:30 pm
2 stops14h 41m
Saint Thomas Island Cyril E King
Sat 1/30
3:35 pm-11:18 pm
1 stop11h 43m
$767
Cheapest one-way
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 9/4
11:02 pm-3:43 pm
2 stops13h 41m
$213
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 9/4
10:55 pm-3:02 pm
1 stop13h 07m
$213
Quickest one-way
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Wed 10/7
9:44 pm-12:39 pm
1 stop11h 55m
$326
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Thu 10/8
6:00 pm-2:55 pm
2 stops17h 55m
$326
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Thu 9/3
7:00 pm-1:50 pm
2 stops15h 50m
$357
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Thu 10/8
12:34 pm-7:50 am
3 stops40h 16m
$419
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Portland to Saint Thomas Island
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 Portland to Saint Thomas Island in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Saint Thomas Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Saint Thomas Island 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 Portland-Saint Thomas Island 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 Portland to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Portland with our price prediction graph.
PDX-STT
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 Portland to Saint Thomas Island
Reviews of airlines servicing Saint Thomas Island
Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated July 28, 2026.
Read through reviews of airlines operating flights from Portland to Saint Thomas Island, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Food
6.6
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Related info for your journey
Find useful and relevant information for your journey from Portland to Saint Thomas Island. 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 Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Portland and Saint Thomas Island flights
Browse other Portland and Saint Thomas Island flight options. Last updated on July 28, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Top 2 airlines flying from Portland to Saint Thomas Island
Discover the top 2 airlines that operate flights from Portland to Saint Thomas Island. 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 2,558,603 searches. Data last updated July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$445 | Average$727 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$942 | FlexibilityNo cancel fee | On-time69% |