$143+ Cheap flights from Lexington to St. Louis (LEX - STL)
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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — STL
May 28 — Jun 41
Round-trip
1 adult, Economy
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Find cheap flights from Lexington to St. Louis 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 Lexington to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Lexington to St. LouisExplore the most affordable flight options available from Lexington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
Explore the most affordable flight options available from Lexington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:11 pm
LEX
- STL
1 stop4h 27m
Delta
Sat 5/307:05 am
STL
- LEX
1 stop4h 14m
Delta
Deal found 4/26![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:20 pm
LEX
- STL
1 stop4h 39m
Delta
Sun 6/75:24 pm
STL
- LEX
1 stop5h 43m
Delta
Deal found 4/24![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 5/1610:06 am
LEX
- STL
1 stop5h 45m
Delta
Sat 5/2312:59 pm
STL
- LEX
1 stop5h 44m
Delta
Deal found 4/27![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:32 pm
LEX
- STL
1 stop7h 06m
Delta
Tue 5/121:59 pm
STL
- LEX
1 stop6h 12m
Delta
Deal found 4/23![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 9/106:02 pm
LEX
- STL
1 stop6h 31m
American Airlines
Sun 9/135:46 pm
STL
- LEX
1 stop5h 13m
American Airlines
Deal found 4/23![American Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:12 am
LEX
- STL
1 stop6h 34m
United Airlines
Mon 7/135:33 pm
STL
- LEX
1 stop4h 02m
United Airlines
Deal found 4/26![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:15 am
LEX
- STL
1 stop4h 24m
United Airlines
Wed 5/276:00 am
STL
- LEX
1 stop6h 20m
United Airlines
Deal found 4/23![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:19 pm
LEX
- STL
1 stop4h 40m
Delta
Sun 5/177:05 am
STL
- LEX
1 stop6h 41m
Delta
Deal found 4/25![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:14 pm
LEX
- STL
1 stop7h 16m
American Airlines
Sun 5/106:29 am
STL
- LEX
1 stop7h 49m
American Airlines
Deal found 4/25![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 4/27. 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 6/264:45 pm
LEX
- STL
1 stop8h 14m
American Airlines
Sat 6/275:11 pm
STL
- LEX
1 stop6h 19m
American Airlines
Deal found 4/27![American Airlines logo]()
$376
Best flights from Lexington to St. LouisDiscover carefully curated flight deals from Lexington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Lexington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 6/268:50 am
LEX
- STL
1 stop4h 21m
United Airlines
Sat 6/275:33 pm
STL
- LEX
1 stop4h 02m
United Airlines
Deal found 4/27![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 am
LEX
- STL
1 stop6h 43m
Delta
Sat 8/1510:45 am
STL
- LEX
1 stop5h 25m
Delta
Deal found 4/23![Delta logo]()
$290
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/125:20 am
LEX
- STL
1 stop4h 17m
American Airlines
Sat 7/187:00 am
STL
- LEX
1 stop4h 58m
American Airlines
Deal found 4/27![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:55 am
LEX
- STL
1 stop6h 59m
Delta
Sat 5/307:05 am
STL
- LEX
1 stop6h 41m
Delta
Deal found 4/26![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 6/45:15 am
LEX
- STL
1 stop4h 26m
United Airlines
Sun 6/75:41 pm
STL
- LEX
1 stop5h 18m
United Airlines
Deal found 4/24![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:20 pm
LEX
- STL
1 stop4h 39m
Delta
Sun 6/75:24 pm
STL
- LEX
1 stop5h 43m
Delta
Deal found 4/24![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
LEX
- STL
1 stop4h 46m
Delta
Sun 6/147:12 pm
STL
- LEX
1 stop3h 55m
Delta
Deal found 4/25![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:12 am
LEX
- STL
1 stop6h 34m
United Airlines
Mon 7/135:33 pm
STL
- LEX
1 stop4h 02m
United Airlines
Deal found 4/26![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:02 am
LEX
- STL
1 stop5h 52m
Delta
Wed 5/136:57 pm
STL
- LEX
1 stop4h 02m
Delta
Deal found 4/24![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:55 pm
LEX
- STL
1 stop5h 18m
United Airlines
Wed 5/275:29 pm
STL
- LEX
1 stop5h 30m
United Airlines
Deal found 4/26![United Airlines logo]()
$360
Last-minute flights from Lexington to St. LouisDiscover last-minute flight deals from Lexington to St. Louis. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Lexington to St. Louis. Data last updated April 28, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:53 pm
LEX
- STL
1 stop5h 26m
Delta
Sat 5/29:31 am
STL
- LEX
1 stop5h 36m
Delta
Deal found 4/26![Delta logo]()
$400
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Fri 5/11:14 pm
LEX
- STL
1 stop3h 46m
American Airlines
Sat 5/28:57 am
STL
- LEX
2 stops7h 17m
American Airlines
Deal found 4/26![American Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:19 pm
LEX
- STL
1 stop4h 40m
Delta
Sun 5/177:05 am
STL
- LEX
1 stop6h 41m
Delta
Deal found 4/25![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:14 pm
LEX
- STL
1 stop7h 16m
American Airlines
Sun 5/106:29 am
STL
- LEX
1 stop7h 49m
American Airlines
Deal found 4/25![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:32 pm
LEX
- STL
1 stop7h 06m
Delta
Tue 5/121:59 pm
STL
- LEX
1 stop6h 12m
Delta
Deal found 4/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/97:50 pm
LEX
- STL
1 stop3h 55m
United Airlines
Wed 5/1311:15 am
STL
- LEX
1 stop6h 34m
United Airlines
Deal found 4/24![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 5/106:00 am
LEX
- STL
1 stop7h 48m
American Airlines
Fri 5/158:03 pm
STL
- LEX
1 stop13h 28m
American Airlines
Deal found 4/23![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 4/27. 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.
Sat 5/1610:06 am
LEX
- STL
1 stop5h 45m
Delta
Sat 5/2312:59 pm
STL
- LEX
1 stop5h 44m
Delta
Deal found 4/27![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:11 pm
LEX
- STL
1 stop4h 27m
Delta
Sat 5/307:05 am
STL
- LEX
1 stop4h 14m
Delta
Deal found 4/26![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:15 am
LEX
- STL
1 stop4h 24m
United Airlines
Wed 5/276:00 am
STL
- LEX
1 stop6h 20m
United Airlines
Deal found 4/23![United Airlines logo]()
$341
One-way flights from Lexington to St. LouisSearch for one-way flight options from Lexington to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Lexington to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 6/19:44 pm
LEX
- STL
2 stops20h 49m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$143
Find flight deals from Lexington to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to St. Louis (STL). 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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (Delta) |
One-way from | $143 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from Lexington to St. Louis 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 April 28, 2026.
Use the filters below to find and compare flights from Lexington to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Fri 6/26
8:50 am-12:11 pm
1 stop4h 21m
Lambert-St Louis
Sat 6/27
5:33 pm-10:35 pm
1 stop4h 02m
$290
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 8/13
7:10 am-12:53 pm
1 stop6h 43m
Lambert-St Louis
Sat 8/15
10:45 am-5:10 pm
1 stop5h 25m
$290
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Sat 5/23
5:55 am-11:54 am
1 stop6h 59m
Lambert-St Louis
Sat 5/30
7:05 am-2:46 pm
1 stop6h 41m
$290
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 6/4
5:15 am-8:41 am
1 stop4h 26m
Lambert-St Louis
Sun 6/7
5:41 pm-11:59 pm
1 stop5h 18m
$309
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Thu 6/4
8:20 pm-11:59 pm
1 stop4h 39m
Lambert-St Louis
Sun 6/7
5:24 pm-12:07 am
1 stop5h 43m
$309
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Fri 6/12
6:00 am-9:46 am
1 stop4h 46m
Lambert-St Louis
Sun 6/14
7:12 pm-12:07 am
1 stop3h 55m
$309
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Sat 5/9
7:02 am-11:54 am
1 stop5h 52m
Lambert-St Louis
Wed 5/13
6:57 pm-11:59 pm
1 stop4h 02m
$319
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Fri 7/10
10:12 am-3:46 pm
1 stop6h 34m
Lambert-St Louis
Mon 7/13
5:33 pm-10:35 pm
1 stop4h 02m
$340
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Sat 5/23
1:55 pm-6:13 pm
1 stop5h 18m
Lambert-St Louis
Wed 5/27
5:29 pm-11:59 pm
1 stop5h 30m
$360
LexingtonSt. Louis
LEX - STL
LEXSTL
Lexington Blue Grass
Sun 7/12
5:20 am-8:37 am
1 stop4h 17m
Lambert-St Louis
Sat 7/18
7:00 am-12:58 pm
1 stop4h 58m
$364
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Lexington to St. Louis
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 Lexington to St. Louis in April.
| 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 Lexington-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lexington-St. Louis 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 Lexington-St. Louis 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 Lexington to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lexington with our price prediction graph.
LEX-STL
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 Lexington to St. Louis
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated April 28, 2026.
Peruse reviews from past customers who have flown with American Airlines from Lexington to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.1
Comfort
7.2
Entertainment
6.9
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Overall
7.1
Comfort
7.2
Entertainment
6.9
Food
6.4
Boarding
7.5
Crew
7.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Related info for your journey
Find useful and relevant information for your journey from Lexington to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Lexington and St. Louis flights
Browse other Lexington and St. Louis flight options. Last updated on April 28, 2026.
Other flights from Lexington
Browse through other flights departing from Lexington. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
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Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Top airline flying from Lexington to St. Louis
Discover the top airline that operate flights from Lexington to St. Louis. 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$268 | FlexibilityNo cancel fee | On-time71% |