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Amazing Alaska Airlines STL to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $237 round trip and one way. Prices and availability subject to change. Additional terms may apply.


SEA From STL Economy Coach Packages on Similar Airlines


FAQs about Alaska Airlines Flights from STL to SEA
Can I catch a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) right now?

It's always wise to learn about any quarantine requirements and travel advice reports in effect in your destination. Be sure to check out the Covid-19 Travel Advisor for up-to-date info on catching a flight to Seattle, WA (SEA-Seattle - Tacoma Intl.).

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Seattle, WA (SEA-Seattle - Tacoma Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Carrier Flight Depart STL Arrive SEA Sat
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Stops
AS 729 10:30 am 12:55 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 473 08:00 am 10:20 am - - - - - Check fare Check fare 0 stop(s)

Travelers ❤️ these 🏨 after their flight to Seattle

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
3.0 out of 5.0 3100 South 192nd Street, SeaTac, WA
$97
4.5/5 (73 reviews)

I liked the staff and room, what they offer for breakfast is not satisfying

Reviewed on Apr 18, 2021
This hotel doesn't skimp on freebies - guests receive free buffet breakfast, free self parking, and a free airport shuttle. Traveling on business? Take advantage ...
Red Lion Hotel Seattle Airport Sea-Tac
Red Lion Hotel Seattle Airport Sea-Tac
3.0 out of 5.0 18220 International Blvd, SeaTac, WA
$86
3.8/5 (53 reviews)

It was just fine clean and friendly.

Reviewed on May 1, 2021
This hotel doesn't skimp on freebies - guests have free WiFi and a free airport shuttle. Traveling for business? Take advantage of the business center, express ...
Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5.0 18415 International Blvd, SeaTac, WA
$97
4.3/5 (46 reviews)

The airport shuffle was on demand and given that they are very close to the airport this was a very good benefit. The biggest draw back was the bed. It was very uncomfortable Of note the beds are being replaced. Insure that your guest under this and that is how you book the hotel. It was a little ...

Reviewed on Feb 25, 2020
This hotel features a restaurant, a fitness center, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.