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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: Aug 29, 2016 1:51 AM

Popular flights from Seattle to St Louis Last modified: Aug 29, 2016 1:51 AM

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
Sat 10/1
nonstop
STLSEA
Tue 10/4
nonstop
$237
Select
American
SEASTL
Wed 9/14
1 stop
STLSEA
Sat 9/17
1 stop
$254
Select
American
SEASTL
Wed 9/14
1 stop
STLSEA
Wed 9/21
1 stop
$254
Select
American
SEASTL
Sat 9/17
1 stop
STLSEA
Sat 9/24
1 stop
$254
Select
American
SEASTL
Tue 9/20
1 stop
STLSEA
Tue 9/27
1 stop
$254
Select
American
SEASTL
Wed 9/21
1 stop
STLSEA
Wed 9/28
1 stop
$254
Select
United
SEASTL
Wed 9/14
1 stop
STLSEA
Wed 9/21
1 stop
$254
Select
United
SEASTL
Wed 9/14
1 stop
STLSEA
Sat 9/17
1 stop
$254
Select
United
SEASTL
Sat 9/17
1 stop
STLSEA
Sat 9/24
1 stop
$254
Select
United
SEASTL
Wed 9/21
1 stop
STLSEA
Sat 9/24
1 stop
$254
Select
United
SEASTL
Sat 9/24
1 stop
STLSEA
Sat 10/1
1 stop
$254
Select
Frontier
SEASTL
Wed 9/21
1 stop
STLSEA
Fri 9/23
1 stop
$276
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 $257.

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 $827 $411
7-14 days $432 $352
14-21 days $247 $254
21-30 days $257 $254
30-60 days $237 $254
60-90 days $277 $285
90+ days $287 $295

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
$274 $254 $254 $247 $247 $237 $284

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
August Seattle St Louis United 8/30/16 9/6/16 1 $730
September Seattle St Louis Alaska 9/16/16 9/24/16 0 $247
October Seattle St Louis Alaska 10/1/16 10/4/16 0 $237
November Seattle St Louis Alaska 11/2/16 11/9/16 0 $277
December Seattle St Louis Alaska 12/8/16 12/10/16 0 $287
January Seattle St Louis Alaska 1/9/17 1/13/17 0 $333
February Seattle St Louis Alaska 2/22/17 2/28/17 0 $319
March Seattle St Louis Alaska 3/1/17 3/6/17 0 $319

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
28 29 30 31 1 2 3
$827
4 5 6 7 8 9 10
$827 $432
11 12 13 14 15 16 17
$432 $257
18 19 20 21 22 23 24
$257 $257
25 26 27 28 29 30 1
$257 $237
2 3 4 5 6 7 8
$237
TIPSave $75 by flying into Peoria 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 $265.

The average price for non-stop flights from Seattle to St Louis is $264.

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 1 1 1 2 2 1 2 11:55 18:10

More Cheap Flights

FlightsAirlineLowest Price
Portland to St Louis American, Alaska, Delta, United $275
Vancouver to St Louis American, Air Canada, Alaska, Delta, United, WestJet $304
Bellingham to St Louis American, Alaska, Delta $358
Victoria to St Louis American, Air Canada, Alaska, Delta, United, WestJet $255
Pasco to St Louis American, Alaska, Delta, United $324
Yakima to St Louis American, Alaska, Delta $391
Wenatchee to St Louis American, Alaska, Delta Check Dates
Seattle to Chicago American, Alaska, JetBlue, Delta, Frontier, Spirit, United, Virgin America $117
Seattle to Atlanta American, Alaska, Delta, Frontier, Spirit, United $271
Portland to Chicago American, Alaska, JetBlue, Delta, Frontier, Spirit, United, Virgin America $147
Seattle to Dallas - Ft Worth American, Alaska, Delta, Frontier, Spirit, Sun Country, United, Virgin America $194
Seattle to New York American, Alaska, JetBlue, Delta, Frontier, Sun Country, United, Virgin America $277
Vancouver to Chicago American, Air Canada, AeroMexico, Alaska, Delta, United, WestJet $351
Portland to Atlanta American, Alaska, Delta, Frontier, United $312
Portland to Dallas - Ft Worth American, Alaska, Delta, Frontier, Spirit, Sun Country, United, Virgin America $147
Portland to New York American, Alaska, JetBlue, Delta, Frontier, Spirit, Sun Country, United, Virgin America $318
Seattle to Kansas City American, Alaska, Delta, Frontier, Spirit, United $217
Seattle to Nashville American, Alaska, JetBlue, Delta, Frontier, United $239
Seattle to Minneapolis - St Paul American, Alaska, Delta, Frontier, Spirit, Sun Country, United $244
Seattle to Indianapolis American, Alaska, Delta, Frontier, United $234
Seattle to Detroit American, Alaska, JetBlue, Delta, Frontier, Spirit, United $244
Vancouver to New York American, Air Canada, AeroMexico, Alaska, Cathay, Delta, Icelandair, United, WestJet $334
Seattle to Los Angeles American, Alaska, Delta, Spirit, United, Virgin America $81
Seattle to Denver American, Alaska, Delta, Frontier, Spirit, United, Virgin America $117
Seattle to Houston American, Alaska, Delta, Frontier, Spirit, United $244
Seattle to Washington American, Alaska, JetBlue, Delta, Frontier, Sun Country, United, Virgin America $244
Seattle to Memphis American, Alaska, Delta, Frontier, United $299
Seattle to Springfield American, United $348
Seattle to Charlotte American, Alaska, JetBlue, Delta, Frontier, United $262
Seattle to Milwaukee American, Alaska, Delta, Frontier, United $298

Airlines Flying from Seattle to St Louis (SEA to STL) Number of flights searched: 196Last modified: Aug 29, 2016 1:51 AM

Below are the different airlines that fly from Seattle to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to St Louis.

Seattle to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska - X X X X X X X
Alaska PDX X X X X X X X
Delta ATL X X X X X X X
Frontier DEN X X
United SFO X X X X X X X
Southwest - X X X X X X X
Southwest DEN X X X X X X X

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 10 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.
Question: What are the most popular connecting cities when flying from Seattle to St Louis?
Answer: Denver, CO
Seattle (SEA) To St Louis, MO (STL) Flights: Cheap Flights From Seattle To St Louis | FareCompare.