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Cheap flights from St Louis to Seattle (STL - SEA)

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Cheap flights from St Louis to Seattle in April 2020

The best prices found for STL to SEA flights for April
27 Apr - 29 Apr
$134pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
13 Apr - 19 Apr
$167pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
24 Apr - 27 Apr
$176pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

St Louis to Seattle 2020 flight deals

Cheap flights to Seattle from St Louis found for this year
11 May - 17 May
$125pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
2 May - 9 May
$172pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
7 Jul - 14 Jul
$174pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Seattle

Late deals on round-trip flights to Seattle from St Louis, departing today and this week
8 Apr - 14 Apr
$167pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
6 Apr - 7 Apr
$175pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
3 Apr - 5 Apr
$177pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

One-way flights to Seattle from St Louis

The cheapest one-way flights from St Louis to Seattle
10:45 am - 1:20 pm
Major Airline
Nonstop
4h 35m
STL - SEA
Major Airline
$279
CheapTicketsDeal
10:45 am - 1:20 pm
Major Airline
Nonstop
4h 35m
STL - SEA
Major Airline
$633
CheapTicketsDeal

Alternative routes for St Louis to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from St Louis to Seattle
Average temperature for April in Seattle
60.8 °F
Avg rainfall for April in Seattle
3.0 ″

Airports servicing St. Louis

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)
Redmond (SEA)

Related info for your journey

Useful info, stats and facts about St Louis to Seattle flights.

Flight FAQs

From St Louis to Seattle

Are flight prices decreasing from St Louis to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from St Louis to Seattle for under $300 on Cheapflights?

Cheapflights has 3 direct flights from St Louis to Seattle under $300. A good price for a nonstop flight from St Louis to Seattle is less than $252.

Are there last-minute flights available from St Louis to Seattle for under $200?

There are currently just 3 open flights from St Louis to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from St Louis to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Lambert-St Louis to Seattle was viewed by 101 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

When booking remember that flights St Louis to Seattle are typically delayed by 31min. so prepare as needed.

What is the cheapest airline for this route?

Currently, Southwest Airlines Co. offers the cheapest flights from St Louis to Seattle. On average 28 flights can be found for this airline route daily.

How long does the flight from St Louis to Seattle take?

Travelers can expect a nonstop flight to take approximately 5 hours, flying a distance of about 1,065 miles.

How many flights depart from St Louis to Seattle on average per day?

7 flight departures from Lambert-St Louis to Seattle per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

Is St Louis weather warmer or cooler than Seattle?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Seattle is typically colder than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.