Which airports can I use when flying from St. Louis to Yakima?

Flights from St. Louis to Yakima usually depart from Lambert-St Louis (STL) and arrive at Yakima Air Terminal (YKM).

What cabin classes can I book on flights from St. Louis to Yakima?

Only Economy Class is available on flights from St. Louis to Yakima.

Which airports do connecting flights from St. Louis to Yakima pass through?

Most connecting flights from St. Louis to Yakima pass through Seattle/Tacoma Intl (SEA), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from St. Louis to Yakima?

Yes. Being flexible with your travel dates can save you up to 3% on the St. Louis to Yakima route. Thursday is the cheapest departure day at $453 round-trip on average, while Tuesday is the most expensive at $466, a difference of $13. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Do I need a passport to fly from St. Louis to Yakima?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from St. Louis to Yakima changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $531 to $1,081. That means the highest observed fare was about 2x higher than the lowest one.

What is the time difference between St. Louis and Yakima?

Yakima is 2 hours behind St. Louis (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What is the cheapest airline to fly from St. Louis to Yakima?

Alaska Airlines ($531) and American Airlines ($700) are the cheapest airlines to fly round-trip from St. Louis to Yakima according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from St. Louis to Yakima?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $460. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Yakima which airport offers the shortest layover?

Seattle/Tacoma Intl (SEA) had the shortest average connection time for St. Louis to Yakima layovers at 244 minutes over the past 3 months.

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Cheapest round-trip

$531

Typical prices: $453-$466

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Tue 2/6Fri 2/9

STL - YKM • 1 stop

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Cheap Flights from St. Louis to Yakima (STL-YKM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from St. Louis to Yakima

Sat, Feb 6 - Tue, Feb 9

3:54 pm - 12:09 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

22h 15m1 stop Seattle/Tacoma Intl

6:15 am - 2:56 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 41m1 stop Seattle/Tacoma Intl

$531Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

3:54 pm - 11:40 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

9h 46m1 stop Seattle/Tacoma Intl

6:15 am - 2:56 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 41m1 stop Seattle/Tacoma Intl

$590Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

3:43 pm - 11:40 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

9h 57m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

6:15 am - 2:56 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 41m1 stop Seattle/Tacoma Intl

$640Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

12:50 pm - 11:40 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

12h 50m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

6:15 am - 2:56 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 41m1 stop Seattle/Tacoma Intl

$640Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

3:43 pm - 11:40 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

9h 57m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

6:15 am - 8:19 pmYKM Yakima Air Terminal-STL Lambert-St Louis

12h 04m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$665Alaska Airlines

Fri, Oct 9 - Tue, Oct 13

7:02 am - 2:23 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

9h 21m1 stop Seattle/Tacoma Intl

3:00 pm - 11:59 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 59m1 stop Seattle/Tacoma Intl

$700American Airlines

Fri, Oct 9 - Tue, Oct 13

3:20 pm - 11:42 pmSTL Lambert-St Louis-YKM Yakima Air Terminal

10h 22m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

3:00 pm - 11:59 pmYKM Yakima Air Terminal-STL Lambert-St Louis

6h 59m1 stop Seattle/Tacoma Intl

$706American Airlines

Booking Insights

Price, demand and travel trends for St. Louis to Yakima flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Yakima with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Yakima?

Round-trip flights from St. Louis to Yakima start at $531. Prices are above average for this route right now, with typical round-trip fares ranging from $453 to $466. The lowest price found in the past 5 days was $531 on Alaska Airlines.

Find deals

When to book flights from St. Louis to Yakima

Are your dates flexible? Find out the best times to travel from St. Louis to Yakima based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from St. Louis to Yakima?
Flights from St. Louis to Yakima usually depart from Lambert-St Louis (STL) and arrive at Yakima Air Terminal (YKM).
What cabin classes can I book on flights from St. Louis to Yakima?
Only Economy Class is available on flights from St. Louis to Yakima.
Which airports do connecting flights from St. Louis to Yakima pass through?
Most connecting flights from St. Louis to Yakima pass through Seattle/Tacoma Intl (SEA), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from St. Louis to Yakima?
Yes. Being flexible with your travel dates can save you up to 3% on the St. Louis to Yakima route. Thursday is the cheapest departure day at $453 round-trip on average, while Tuesday is the most expensive at $466, a difference of $13. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
Do I need a passport to fly from St. Louis to Yakima?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from St. Louis to Yakima changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $531 to $1,081. That means the highest observed fare was about 2x higher than the lowest one.
What is the time difference between St. Louis and Yakima?
Yakima is 2 hours behind St. Louis (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $453 - about $13 less than Tuesday (3% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Yakima Air Terminal Airport.
- Tru by Hilton Yakima Airport
- Home2 Suites by Hilton Yakima Airport

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STL - YKM

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Everything you should know

Cheap Flights from St. Louis to Yakima (STL-YKM)

Recent round-trip flight deals from St. Louis to Yakima

Recent one-way flight deals from St. Louis to Yakima

Price, demand and travel trends for St. Louis to Yakima flights

How much is a round-trip flight from St. Louis to Yakima?

What is the cheapest airline to fly from St. Louis to Yakima?

What is the cheapest layover airport when flying from St. Louis to Yakima?

When flying from St. Louis to Yakima which airport offers the shortest layover?

When to book flights from St. Louis to Yakima

Your St. Louis to Yakima flight questions, answered

Your guide to booking St. Louis to Yakima flights

More options for your flight from St. Louis to Yakima

Complete your trip to Yakima with a hotel stay or car rental

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