$237+ Cheap flights from Green Bay to St. Louis (GRB - 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — STL
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay 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 Green Bay to St. Louis
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Cheapest flights from Green Bay to St. LouisExplore the most affordable flight options available from Green Bay to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from Green Bay to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/248:27 pm -
1 stop4h 00m
Mon 9/285:18 pm -
1 stop6h 55m
Deal found 8/30![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/1. 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 9/114:16 pm -
1 stop7h 00m
Sat 9/125:47 pm -
1 stop3h 48m
Deal found 9/1![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/124:04 pm -
1 stop4h 40m
Wed 9/165:00 am -
1 stop4h 35m
Deal found 8/28![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1510:32 am -
1 stop3h 43m
Sat 9/196:53 pm -
1 stop4h 26m
Deal found 8/31![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/411:45 am -
1 stop3h 53m
Mon 9/78:00 am -
1 stop5h 56m
Deal found 8/29![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/248:27 pm -
1 stop4h 00m
Tue 9/296:53 am -
2 stops8h 41m
Deal found 8/31![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 8/27. 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 8/2812:03 pm -
1 stop4h 41m
Mon 8/316:30 am -
1 stop3h 57m
Deal found 8/27![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/118:27 pm -
1 stop4h 00m
Sat 9/1210:21 am -
2 stops9h 35m
Deal found 8/28![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/158:27 pm -
1 stop4h 00m
Sat 9/193:34 pm -
2 stops8h 39m
Deal found 8/31![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/28. 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 8/2912:26 pm -
2 stops11h 16m
Sat 9/58:06 pm -
1 stop4h 10m
Deal found 8/28![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 8/295:37 am -
2 stops10h 37m
Sun 8/308:07 pm -
1 stop4h 09m
Deal found 8/27![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/258:27 pm -
1 stop4h 00m
Mon 9/288:43 am -
2 stops11h 13m
Deal found 8/30![American Airlines logo]()
$437
Best flights from Green Bay to St. LouisDiscover carefully curated flight deals from Green Bay to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Green Bay to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Delta deal was found by Cheapflights users on 8/31. 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 10/16:15 am -
1 stop4h 16m
Sun 10/46:15 am -
1 stop5h 07m
Deal found 8/31![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/118:27 pm -
1 stop4h 00m
Sat 9/125:00 am -
1 stop4h 35m
Deal found 8/29![American Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1510:32 am -
1 stop3h 43m
Sat 9/196:53 pm -
1 stop4h 26m
Deal found 8/31![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/31. 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 9/114:16 pm -
1 stop7h 00m
Sat 9/125:47 pm -
1 stop3h 48m
Deal found 8/31![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/124:04 pm -
1 stop4h 40m
Wed 9/165:00 am -
1 stop4h 35m
Deal found 8/28![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:00 am -
1 stop4h 13m
Mon 1/117:00 pm -
1 stop3h 50m
Deal found 8/28![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/1510:05 am -
2 stops9h 02m
Sat 9/193:34 pm -
2 stops8h 39m
Deal found 8/31![American Airlines logo]()
$477
Last-minute flights from Green Bay to St. LouisDiscover last-minute flight deals from Green Bay to St. Louis. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to St. Louis. Data last updated September 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/37:02 pm -
1 stop5h 12m
Sat 9/58:06 pm -
1 stop4h 10m
Deal found 8/31![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/411:45 am -
1 stop3h 53m
Mon 9/78:00 am -
1 stop5h 56m
Deal found 8/29![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/29. 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 9/412:26 pm -
2 stops11h 16m
Mon 9/76:00 am -
1 stop5h 56m
Deal found 8/29![American Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/1. 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 9/114:16 pm -
1 stop7h 00m
Sat 9/125:47 pm -
1 stop3h 48m
Deal found 9/1![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/118:27 pm -
1 stop4h 00m
Sat 9/1210:21 am -
2 stops9h 35m
Deal found 8/28![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/124:04 pm -
1 stop4h 40m
Wed 9/165:00 am -
1 stop4h 35m
Deal found 8/28![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1510:32 am -
1 stop3h 43m
Sat 9/196:53 pm -
1 stop4h 26m
Deal found 8/31![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/158:27 pm -
1 stop4h 00m
Sat 9/193:34 pm -
2 stops8h 39m
Deal found 8/31![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/248:27 pm -
1 stop4h 00m
Mon 9/285:18 pm -
1 stop6h 55m
Deal found 8/30![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/248:27 pm -
1 stop4h 00m
Tue 9/296:53 am -
2 stops8h 41m
Deal found 8/31![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/258:27 pm -
1 stop4h 00m
Mon 9/288:43 am -
2 stops11h 13m
Deal found 8/30![American Airlines logo]()
$437
One-way flights from Green Bay to St. LouisSearch for one-way flight options from Green Bay to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Green Bay to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. 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 2/259:58 am -
1 stop11h 10m
Deal found 8/27![American Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 10/66:00 am -
1 stop4h 50m
Deal found 8/31![American Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 8/27. 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 2/246:00 am -
1 stop6h 35m
Deal found 8/27![American Airlines logo]()
$333
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 9/77:02 pm -
1 stop5h 12m
Deal found 8/28![American Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/263:44 pm -
3 stops20h 56m
Deal found 8/28![United Airlines logo]()
$498
Find flight deals from Green Bay to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) 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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $237 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Green Bay 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 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from Green Bay to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Thu 10/1
6:15 am-10:31 am
1 stop4h 16m
Lambert-St Louis
Sun 10/4
6:15 am-11:22 am
1 stop5h 07m
$299
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Fri 9/11
8:27 pm-12:27 am
1 stop4h 00m
Lambert-St Louis
Sat 9/12
5:00 am-9:35 am
1 stop4h 35m
$321
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Fri 9/11
4:16 pm-11:16 pm
1 stop7h 00m
Lambert-St Louis
Sat 9/12
5:47 pm-9:35 pm
1 stop3h 48m
$321
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Sat 9/12
4:04 pm-8:44 pm
1 stop4h 40m
Lambert-St Louis
Wed 9/16
5:00 am-9:35 am
1 stop4h 35m
$325
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Tue 9/15
10:32 am-2:15 pm
1 stop3h 43m
Lambert-St Louis
Sat 9/19
6:53 pm-11:19 pm
1 stop4h 26m
$329
Quickest round-trip
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Thu 1/7
8:00 am-12:13 pm
1 stop4h 13m
Lambert-St Louis
Mon 1/11
7:00 pm-10:50 pm
1 stop3h 50m
$369
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Tue 9/15
10:05 am-7:07 pm
2 stops9h 02m
Lambert-St Louis
Sat 9/19
3:34 pm-12:13 am
2 stops8h 39m
$477
Cheapest one-way
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Thu 2/25
9:58 am-9:08 pm
1 stop11h 10m
$237
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Wed 10/7
4:51 pm-11:21 pm
1 stop6h 30m
$238
Quickest one-way
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Tue 10/6
6:00 am-10:50 am
1 stop4h 50m
$238
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Green Bay 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 Green Bay to St. Louis 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 Green Bay-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Green Bay-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 Green Bay-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 Green Bay to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Green Bay with our price prediction graph.
GRB-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.
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 September 1, 2026.
Read through reviews of airlines operating flights from Green Bay to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Green Bay 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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
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Green Bay and St. Louis flights
Browse other Green Bay and St. Louis flight options. Last updated on September 1, 2026.
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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 September 1, 2026.
Top airline flying from Green Bay to St. Louis
Discover the top airline that operate flights from Green Bay 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$337 | FlexibilityNo cancel fee | On-time69% |