Cheap flights from St. Louis to Seattle from £75

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Direct
Wed, Oct 29
St. Louis STLSeattle SEA
£75
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Direct
Wed, Oct 29
St. Louis STLSeattle SEA
£79
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Direct
Wed, Oct 29
St. Louis STLSeattle SEA
£79
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Direct
Thu, Oct 30
St. Louis STLSeattle SEA
£83
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Direct
Thu, Oct 30
St. Louis STLSeattle SEA
£83
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Direct
Thu, Oct 30
St. Louis STLSeattle SEA
£84
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Direct
Wed, Oct 29 – Sat, Nov 1
St. Louis STLSeattle SEA
£146
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Direct
Wed, Oct 29 – Sat, Nov 1
St. Louis STLSeattle SEA
£146
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Direct
Tue, Oct 28 – Sat, Nov 1
St. Louis STLSeattle SEA
£150
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Direct
Thu, Oct 30 – Sat, Nov 1
St. Louis STLSeattle SEA
£154
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Direct
Thu, Oct 30 – Sat, Nov 1
St. Louis STLSeattle SEA
£154
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Direct
Thu, Oct 30 – Sat, Nov 1
St. Louis STLSeattle SEA
£154
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Prices updated:

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How much do flights to Seattle cost?

Cheapest one-way trip

£75

Cheapest nonstop round-trip

£178

Cheapest round-trip

£146

Average round-trip

£258

Nonstop flights in October

£149 – £481

Key info about flying to Seattle

Depart from
St. Louis Lambert International
Arrive to
Seattle–Tacoma International
Average flights per week
147
Flight distance
2747 km
Worth visiting
Lulu Island

Weekly direct flights

Discover the top airlines offering direct flights from St. Louis to Seattle in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 06.10Tue 07.10Wed 08.10Thu 09.10Fri 10.10Sat 11.10Sun 12.10
Hawaiian Airlines
2222221
Alaska Airlines
---------------------
Weekly flights: 13 totalDaily flights: 1.86 averageMost flights: Monday 2 flights
AirlineMon 13.10Tue 14.10Wed 15.10Thu 16.10Fri 17.10Sat 18.10Sun 19.10
Hawaiian Airlines
122---2---2
Alaska Airlines
1------2---2---
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Tuesday 2 flights
AirlineMon 20.10Tue 21.10Wed 22.10Thu 23.10Fri 24.10Sat 25.10Sun 26.10
Hawaiian Airlines
2222222
Alaska Airlines
------------222
Weekly flights: 20 totalDaily flights: 2.86 averageMost flights: Monday 2 flights
AirlineMon 27.10Tue 28.10Wed 29.10Thu 30.10Fri 31.10Sat 01.11Sun 02.11
Hawaiian Airlines
2112112
Alaska Airlines
2112112
Weekly flights: 20 totalDaily flights: 2.86 averageMost flights: Monday 2 flights

Check-in for a flight from St. Louis to Seattle

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
WestJetWJAWSNo
Harbour Air (Priv)HESYBNo

Online check-in is not available for these airlines.

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C5°C
May18°C8°C
June21°C10°C
July25°C13°C
August25°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C2°C
Hottest Month
25°C
August
Coldest month
1°C
February
Sunny days
253
days per year
Snow days
5
days per year

14 day forecast

Saturday
4 Oct
16°C10°C
11 Oct
18°C11°C
Sunday
5 Oct
18°C10°C
12 Oct
88%
12°C10°C
Monday
6 Oct
22°C9°C
13 Oct
83%
14°C9°C
Tuesday
7 Oct
22°C8°C
14 Oct
17°C8°C
Wednesday
8 Oct
20°C8°C
15 Oct
19°C8°C
Thursday
9 Oct
20°C10°C
16 Oct
86%
16°C11°C
Friday
10 Oct
21°C11°C
17 Oct
83%
17°C11°C

Seattle travel tips

What are Chihuly Garden and Glass famous for?

Chihuly Garden and Glass are some of favourite attractions among visitors in Seattle. It’s dedicated to works of innovative glassblower Dale Chihuly, hailed from Tacoma. He created mind-blowing sculptures from glass. Besides eight galleries, visitors can observe one of his biggest works ever influenced by moving sunlight. Come and challenge your imagination!

Please, no heels, only comfy shoes are needed in Seattle

Though major tourist attractions in Seattle are within walking distance from each other, the city is quite hilly. Please, leave high heels at home and put on only comfortable flat shoes. In this case, you’ll be able to enjoy a walk fully.

What is Seattle Freeze?

The term Seattle Freeze means that locals are polite but not friendly. They aren’t welcoming guests of their city and aren’t eager to have small talk with everyone. They are known to be reserved, cold, and distrustful. Never mind, as any rule has an exception.

Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field. The distance between St. Louis and Seattle is 2747 km. The most popular airlines for this route are United Airlines, Alaska Airlines, Frontier Airlines, WestJet, and Harbour Air (Priv). St. Louis and Seattle have 147 direct flights per week.

Frequently asked questions

How long does it take to travel from St. Louis to Seattle?
A one-way nonstop (direct) flight between St. Louis and Seattle takes around 4.5 hours.
What is the flight distance between St. Louis and Seattle?
The flight distance between St. Louis and Seattle is 2747 km.
What airlines offer nonstop (direct) flights between St. Louis and Seattle?
Several carriers operate flights between St. Louis and Seattle. Airlines offering nonstop (direct) flights include Hawaiian Airlines, Alaska Airlines.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Las Vegas, Orlando, Cancún, Denver, Los Angeles, San Francisco, Mexico City, Cali, Buenos Aires, Ottawa, Lima, Toronto, Edmonton, San José, Reykjavik, Kelowna, Tuxtla Gutiérrez, Sydney, Fort Lauderdale.
What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and London, New York, Calgary, Los Angeles, Mexico City, Guadalajara, San Francisco, Las Vegas, Phoenix, Manchester, Edinburgh, Ontario, Chicago, Denver, San Diego, Dallas, Boston, Washington, D.C., Salt Lake City, Toronto.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, MidAmerica St. Louis, Williamson County Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Central Illinois Regional, Barkley Regional, Abraham Lincoln Capital.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Pangborn Memorial, Yakima Air Terminal, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre.
Which airlines fly between St. Louis and Seattle?
Currently, you can fly between St. Louis and Seattle with United Airlines, Alaska Airlines, Frontier Airlines, WestJet, Harbour Air (Priv).
When’s the best time to travel between St. Louis and Seattle?
If you don’t have specific dates for your trip between St. Louis and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between St. Louis and Seattle?
How many airports are there near St. Louis?
How many airports are there near Seattle?
What time do nonstop (direct) flights between St. Louis and Seattle depart?
What time do nonstop (direct) flights between St. Louis and Seattle arrive?
What time do flights between St. Louis and Seattle depart?
What time do flights between St. Louis and Seattle arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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