$301+ Cheap flights from St. Louis to Yakima (STL - YKM)
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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YKM
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Yakima 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 St. Louis to Yakima
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to YakimaExplore the most affordable flight options available from St. Louis to Yakima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from St. Louis to Yakima. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:19 pm -
1 stop25h 25m
Sat 10/33:00 pm -
1 stop6h 59m
Deal found 8/10![Alaska Airlines logo]()
$474
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am -
1 stop10h 04m
Sat 8/296:15 am -
1 stop5h 51m
Deal found 8/10![Alaska Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/255:42 am -
2 stops10h 57m
Sat 8/296:15 am -
2 stops12h 11m
Deal found 8/10![American Airlines logo]()
$741
Best flights from St. Louis to YakimaDiscover carefully curated flight deals from St. Louis to Yakima that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from St. Louis to Yakima that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:19 pm -
1 stop25h 25m
Sat 10/33:00 pm -
1 stop6h 59m
Deal found 8/10![Alaska Airlines logo]()
$474
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am -
1 stop10h 04m
Sat 8/296:15 am -
1 stop5h 51m
Deal found 8/10![Alaska Airlines logo]()
$631
Last-minute flights from St. Louis to YakimaDiscover last-minute flight deals from St. Louis to Yakima. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Yakima. Data last updated August 11, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am -
1 stop10h 04m
Sat 8/296:15 am -
1 stop5h 51m
Deal found 8/10![Alaska Airlines logo]()
$631
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/255:42 am -
2 stops10h 57m
Sat 8/296:15 am -
2 stops12h 11m
Deal found 8/10![American Airlines logo]()
$741
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:19 pm -
1 stop25h 25m
Sat 10/33:00 pm -
1 stop6h 59m
Deal found 8/10![Alaska Airlines logo]()
$474
One-way flights from St. Louis to YakimaSearch for one-way flight options from St. Louis to Yakima. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from St. Louis to Yakima. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:36 pm -
1 stop6h 19m
Deal found 8/6![Alaska Airlines logo]()
$301
This Booking.com deal was found by Cheapflights users on 8/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am -
1 stop10h 04m
Deal found 8/6![Alaska Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:36 pm -
1 stop6h 19m
Deal found 8/6![Alaska Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/273:35 pm -
2 stops10h 20m
Deal found 8/6![American Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:08 pm -
2 stops22h 31m
Deal found 8/6![Alaska Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/225:42 am -
2 stops10h 57m
Deal found 8/6![American Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/235:42 am -
2 stops10h 57m
Deal found 8/6![American Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:04 pm -
1 stop25h 35m
Deal found 8/6![Alaska Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:36 pm -
1 stop6h 19m
Deal found 8/6![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:35 am -
1 stop10h 04m
Deal found 8/6![Alaska Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/262:10 pm -
3 stops35h 45m
Deal found 8/6![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/2711:00 am -
3 stops14h 55m
Deal found 8/6![Multiple Airlines logo]()
$631
Find flight deals from St. Louis to Yakima
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Yakima (YKM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $474 (Alaska Airlines) |
One-way from | $301 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Yakima 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 August 11, 2026.
Use the filters below to find and compare flights from St. Louis to Yakima that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Tue 9/29
3:19 pm-2:44 pm
1 stop25h 25m
Yakima Air Terminal
Sat 10/3
3:00 pm-11:59 pm
1 stop6h 59m
$474
Quickest round-trip
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Tue 8/25
6:35 am-2:39 pm
1 stop10h 04m
Yakima Air Terminal
Sat 8/29
6:15 am-2:06 pm
1 stop5h 51m
$631
Cheapest one-way
Quickest one-way
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Mon 8/24
7:36 pm-11:55 pm
1 stop6h 19m
$348
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Sat 8/22
5:42 am-2:39 pm
2 stops10h 57m
$391
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Wed 8/26
12:45 pm-11:55 pm
2 stops13h 10m
$391
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Sun 8/23
7:36 pm-11:55 pm
1 stop6h 19m
$484
St. LouisYakima
STL Lambert-St Louis - YKM Yakima Air Terminal
STLYKM
Lambert-St Louis
Fri 8/28
6:20 am-11:55 pm
3 stops19h 35m
$676
Sorted by cheapest first
Compare providers for flights from St. Louis to Yakima
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 St. Louis to Yakima in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Yakima flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Yakima flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Yakima flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Yakima 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 St. Louis-Yakima 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 St. Louis to Yakima
Have a flexible travel schedule? Discover the best time to fly to Yakima from St. Louis with our price prediction graph.
STL-YKM
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.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Yakima. 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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