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Yakima

$383+ Cheap flights from St. Louis to Yakima (STL - YKM)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YKM
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from St. Louis to Yakima

Cheapest flights from St. Louis to Yakima
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 February 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
STL
-
YKM
1 stop9h 26m
Alaska Airlines
Thu 4/301:57 pm
YKM
-
STL
1 stop8h 02m
Alaska Airlines
Deal found 2/26$383
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 am
STL
-
YKM
1 stop10h 46m
Alaska Airlines
Fri 3/136:00 am
YKM
-
STL
1 stop5h 51m
Alaska Airlines
Deal found 2/25$675
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Wed 3/115:12 am
STL
-
YKM
2 stops12h 34m
American Airlines
Fri 3/136:00 am
YKM
-
STL
1 stop5h 51m
American Airlines
Deal found 2/25$780
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/125:12 am
STL
-
YKM
2 stops12h 34m
American Airlines
Fri 3/136:00 am
YKM
-
STL
1 stop5h 51m
American Airlines
Deal found 2/25$845
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:47 pm
STL
-
YKM
1 stop26h 59m
Alaska Airlines
Wed 3/186:15 am
YKM
-
STL
1 stop6h 36m
Alaska Airlines
Deal found 2/27$880
This American Airlines deal was found by Cheapflights users on 2/27. 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 3/145:12 am
STL
-
YKM
2 stops12h 34m
American Airlines
Wed 3/183:03 pm
YKM
-
STL
1 stop6h 56m
American Airlines
Deal found 2/27$884
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:12 am
STL
-
YKM
2 stops12h 34m
Alaska Airlines
Fri 3/136:00 am
YKM
-
STL
2 stops15h 58m
Alaska Airlines
Deal found 2/25$915
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:31 pm
STL
-
YKM
2 stops11h 14m
Alaska Airlines
Wed 3/46:00 am
YKM
-
STL
1 stop5h 51m
Alaska Airlines
Deal found 2/25$989

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 February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$383
(Alaska Airlines)
Provider with most accurate pricing for Lambert-St Louis-Yakima Air Terminal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Yakima Air Terminal flights.
Search Deals
From Lambert-St Louis to Yakima Air Terminal
Search Deals

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 February 28, 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

Price

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Tue 4/21

7:00 am-2:26 pm

1 stop9h 26m

Yakima Air Terminal

Thu 4/30

1:57 pm-11:59 pm

1 stop8h 02m

$383

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Wed 3/11

7:00 am-3:46 pm

1 stop10h 46m

Yakima Air Terminal

Fri 3/13

6:00 am-1:51 pm

1 stop5h 51m

$675

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Thu 3/12

2:47 pm-11:45 pm

1 stop10h 58m

Yakima Air Terminal

Fri 3/13

6:00 am-1:51 pm

1 stop5h 51m

$675

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Wed 3/11

5:12 am-3:46 pm

2 stops12h 34m

Yakima Air Terminal

Fri 3/13

6:00 am-1:51 pm

1 stop5h 51m

$780

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Tue 3/3

2:31 pm-11:45 pm

2 stops11h 14m

Yakima Air Terminal

Wed 3/4

6:00 am-1:51 pm

1 stop5h 51m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

  • How long is the flight from St. Louis to Yakima?

    There are many flights that can get you from St. Louis to Yakima in 9h 26m. Fly via Alaska Airlines or American Airlines to get the fastest option. There are 1613 mi between St. Louis and Yakima. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Yakima that include hotel bookings?

    Yes. In addition to deals on St. Louis to Yakima flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Yakima?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Yakima.

  • Can I find deals for business class flights from St. Louis to Yakima?

    Yes. Cheapflights offers flight deals from St. Louis to Yakima by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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