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Yakima

$402+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YKM
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$402
(Alaska Airlines)
From Lambert-St Louis to Yakima Air Terminal
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Find 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 September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 12/147:00 amSTL - YKM
1 stop19h 05mAlaska Airlines
Sat 12/206:00 amYKM - STL
1 stop15h 45mAlaska Airlines
Deal found 9/17$660

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 September 17, 2025.
Use the filters below to find and compare flights from St. Louis to Yakima that are best for you.

Fly from

St. Louis

Fly to

Yakima

Route

Depart

Return

Price

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Tue 3/3

7:00 am-1:28 pm

1 stop8h 28m

Yakima Air Terminal

Wed 3/4

5:10 am-1:52 pm

1 stop6h 42m

$402

St. LouisYakima

STL - YKM

STLYKM

Lambert-St Louis

Tue 3/3

11:54 am-11:59 pm

2 stops14h 05m

Yakima Air Terminal

Wed 3/4

2:00 pm-8:06 am

2 stops16h 06m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Yakima

What is the cheapest month to book a flight from St. Louis to Yakima?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Yakima (average of $291). Flying from St. Louis to Yakima in December is currently the most expensive (average of $679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 8h 28m. Fly via Alaska Airlines to get the fastest option. There are 1613 mi between St. Louis and Yakima.

  • 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.

  • What is the cheapest month to book a flight from St. Louis to Yakima?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Yakima (average of $291). Flying from St. Louis to Yakima in December is currently the most expensive (average of $679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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