Flights from Seattle to St Louis, United States

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Did you mean flights from St Louis to Seattle?

Where To Buy Cheap Flights from Seattle to St Louis?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Seattle to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Seattle to St Louis?

The chart below shows up-to-date information regarding how far in advance to book your flight from Seattle to St Louis.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $597 $242
7-14 days $297 $226
14-21 days $257 $221
21-30 days $238 $168
30-60 days $257 $168
60-90 days $311 $217
90+ days $257 $186

Compare Flight Prices from Seattle to St Louis by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Seattle to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Seattle St Louis United 2/22/20 3/2/20 1 $298
March Seattle St Louis Alaska 3/3/20 3/4/20 0 $218
April Seattle St Louis American 4/8/20 4/15/20 1 $235
May Seattle St Louis American 5/9/20 5/13/20 1 $235
June Seattle St Louis Major Airlines 6/3/20 6/9/20 1 $235
July Seattle St Louis United 7/9/20 7/14/20 1 $250
August Seattle St Louis American 8/12/20 8/16/20 1 $250
September Seattle St Louis United 9/1/20 9/5/20 1 $235

Cheap Last Minute Flights from Seattle to St Louis

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Seattle to St Louis. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
9 10 11 12 13 14 15
$459
16 17 18 19 20 21 22
$459 $382
23 24 25 26 27 28 29
$382 $332
1 2 3 4 5 6 7
$332 $235
8 9 10 11 12 13 14
$235 $318
15 16 17 18 19 20 21
$318

Connecting Flights vs Direct Flights from Seattle to St Louis

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Seattle to St Louis is $201.

The average price for direct flights from Seattle to St Louis is $299.

The chart below shows up to date information regarding non-stop flights from Seattle to St Louis.

Weekly Direct Flights from Seattle to St Louis - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 2 2 2 2 2 2 2 04:00 13:00
Major Airlines 3 3 3 3 3 1 1 00:30 08:35

One Way Flights vs Round Trip Flights from Seattle to St Louis

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Seattle to St Louis is $108.

The average price for round trip flights from Seattle to St Louis is $201.

Seattle to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from Seattle to St Louis?
Answer: The average Seattle to St Louis flight time is 3 hours and 54 minutes.
Question: How far is St Louis from Seattle?
Answer: The distance from Seattle to St Louis is 1,704 miles (2,742 kilometers).
Question: How common are direct flights from Seattle to St Louis?
Answer: There are 22 direct flights from Seattle to St Louis.
Question: What are the most popular Seattle airlines for direct flights from Seattle to St Louis?
Answer: Alaska Airlines provides 63% of the non-stop flights between Seattle and St Louis.

Airlines in Seattle flying to St Louis Last modified: Jul 13, 2020 5:08 -04:00Number of routes searched: 0Number of itineraries searched: 0

Wondering which airlines fly out of Seattle to St Louis? We've gathered the average price of Seattle airlines with flights to St Louis. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Seattle to St Louis Airports

These are the major commercial airports we're currently monitoring in Seattle and St Louis. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

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Cheap Flights from Seattle to St Louis