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Did you mean flights from St Louis to Seattle?

Cheap Flights from Seattle to St Louis, MO, United States - SEA to STL Last modified: Jun 28, 2016 7:44 PM

Popular flights from Seattle to St Louis Last modified: Jun 28, 2016 7:44 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska
SEASTL
Thu 9/1
nonstop
STLSEA
Sat 9/10
nonstop
$293
Select
Alaska
SEASTL
Thu 9/1
nonstop
STLSEA
Sat 9/3
nonstop
$293
Select
American
SEASTL
Fri 10/7
1 stop
STLSEA
Sun 10/9
1 stop
$310
Select
United
SEASTL
Tue 8/16
1 stop
STLSEA
Sun 8/21
1 stop
$310
Select
United
SEASTL
Thu 8/18
1 stop
STLSEA
Sun 8/21
1 stop
$310
Select
United
SEASTL
Thu 8/18
1 stop
STLSEA
Mon 8/22
1 stop
$310
Select
United
SEASTL
Fri 8/19
1 stop
STLSEA
Mon 8/22
1 stop
$310
Select
United
SEASTL
Fri 8/19
1 stop
STLSEA
Sun 8/21
1 stop
$310
Select
Frontier
SEASTL
Wed 8/3
1 stop
STLSEA
Tue 8/9
1 stop
$356
Select

How Much Does it Cost to Fly from Seattle to St Louis (SEA to STL)?

We have collected flight cost data from across the web for travel from Seattle to St Louis, and have found the average flight price for this trip to be $314.

When Can I Buy the Cheapest Flight from Seattle to St Louis (SEA to STL)?

Airlines can adjust prices for plane 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 discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Seattle to St Louis

The chart below shows up-to-date information regarding how far in advance a flight from Seattle to St Louis should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $752 $452
7-14 days $502 $422
14-21 days $402 $334
21-30 days $347 $334
30-60 days $320 $310
60-90 days $293 $301
90+ days $320 $301

Cheapest Day To Fly from Seattle to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Seattle to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$331 $310 $331 $293 $310 $310 $310

Lowest Fares Chart By Month from Seattle to St Louis

The chart below shows the lowest fare by month when flying from Seattle to St Louis.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Seattle St Louis Frontier 6/30/16 7/8/16 1 $682
July Seattle St Louis American 7/19/16 7/28/16 1 $334
August Seattle St Louis United 8/16/16 8/21/16 1 $310
September Seattle St Louis Alaska 9/1/16 9/3/16 0 $293
October Seattle St Louis American 10/7/16 10/9/16 1 $310
November Seattle St Louis Alaska 11/8/16 11/15/16 1 $301
December Seattle St Louis United 12/20/16 1/5/17 1 $310
January Seattle St Louis United 1/5/17 1/10/17 1 $310

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to St Louis

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to St Louis.

Next 30 Days

SunMonTueWedThuFriSat
26 27 28 29 30 1 2
$1,047
3 4 5 6 7 8 9
$1,047 $532
10 11 12 13 14 15 16
$532 $427
17 18 19 20 21 22 23
$427 $458
24 25 26 27 28 29 30
$458 $442
31 1 2 3 4 5 6
$442
TIPSave $52 by flying into Moline instead of St Louis from Seattle

Non-Stop vs Connecting Flights from Seattle to St Louis (SEA to STL)

Your Seattle to St Louis flight can be significantly cheaper by choosing 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 $332.

The average price for non-stop flights from Seattle to St Louis is $306.

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

Nonstop Flight Details from Seattle to St Louis
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 2 2 2 2 2 2 2 11:45 18:10

Round Trip vs One Way Flights from Seattle to St Louis (SEA to STL)

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 $168.

The average price for round trip flights from Seattle to St Louis is $319.

More Cheap Flights

FlightsAirlineLowest Price
Portland to St Louis American, Alaska, United $274
Vancouver to St Louis American, Air Canada, Alaska, United, WestJet $324
Bellingham to St Louis American, Alaska $388
Victoria to St Louis American, Air Canada, Alaska, United, WestJet $256
Pasco to St Louis American, Alaska, United $397
Yakima to St Louis American, Alaska $485
Wenatchee to St Louis American, Alaska Check Dates
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $197
Seattle to Atlanta American, Alaska, JetBlue, Frontier, Spirit, United $317
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $155
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, Sun Country, United, Virgin America $246
Seattle to New York American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $279
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, United, WestJet $351
Portland to Atlanta American, Alaska, Frontier, Spirit, United $348
Portland to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $172
Portland to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $288
Seattle to Kansas City American, Alaska, Spirit, United $291
Seattle to Nashville American, Alaska, JetBlue, Frontier, United $281
Seattle to Minneapolis - St Paul American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United $265
Seattle to Indianapolis American, Alaska, Frontier, United $362
Seattle to Detroit American, Alaska, JetBlue, Spirit, United $309
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, Cathay, United, Virgin America, WestJet $347
Seattle to Los Angeles American, Alaska, Spirit, United, Virgin America $113
Seattle to Denver American, Alaska, Frontier, United, Virgin America $171
Seattle to Houston American, Alaska, Frontier, Spirit, United $275
Seattle to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $282
Seattle to Memphis American, Alaska, United $339
Seattle to Springfield American, Alaska, United $363
Seattle to Charlotte American, Alaska, JetBlue, Frontier, United $366
Seattle to Milwaukee American, Alaska, Frontier, United $320

Airports for Your Route

These pages contain information about the major airports in Seattle and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Seattle to St Louis Flight Questions

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

Question: How long is a direct flight from Seattle to St Louis?
Answer: The average Seattle to St Louis flight time is 3 hours and 45 minutes.
Question: How many miles are there between Seattle and St Louis?
Answer: The distance from Seattle to St Louis is 1704 miles.
Question: How common are direct flights from Seattle to St Louis?
Answer: There are 14 direct flights from Seattle to St Louis.
Question: What is the most popular airline for non-stop flights from Seattle to St Louis?
Answer: Alaska Airlines provides 100% of the non-stop flights between Seattle and St Louis.
Seattle (SEA) To St Louis, MO (STL) Flights: Cheap Flights From Seattle To St Louis | FareCompare.