Flight times from St. Louis to Seattle & schedule

The average flight time from St. Louis to Seattle is About 4 hours 32 minutes, covering a distance of About 2,765.15 km.

Flight duration

About 4 hours 32 minutes

Flight distance

About 2,765.15 km

How long is the flight from St. Louis to Seattle?

The flights usually depart from St. Louis Lambert International Airport and arrive at Seattle-Tacoma International Airport.

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Earliest first
Latest first
Frontier Airlines F93107
STL 2:52 PM
LAS 4:28 PM
With stops 3.6h
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Frontier Airlines F92407
LAS 7:00 AM
SEA 10:00 AM
3.0h
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Alaska Airlines AS618
STL 3:11 PM
SEA 5:45 PM
Nonstop 4.6h
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American Airlines AA9271
STL 3:24 PM
SEA 5:52 PM
Nonstop 4.5h
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United Airlines UA1483
STL 4:48 PM
DEN 6:24 PM
With stops 2.6h
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United Airlines UA2651
DEN 9:00 PM
SEA 10:59 PM
3.0h
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American Airlines AA2712
STL 5:18 PM
DFW 7:15 PM
With stops 1.9h
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American Airlines AA2003
DFW 8:13 PM
SEA 10:32 PM
4.3h
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American Airlines AA2712
STL 5:18 PM
DFW 7:15 PM
With stops 1.9h
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American Airlines AA1487
DFW 10:41 PM
SEA 12:59 AM
4.3h
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Alaska Airlines AS503
STL 6:22 PM
SEA 8:50 PM
Nonstop 4.5h
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Alaska Airlines AS473
STL 6:00 AM
SEA 8:30 AM
Nonstop 4.5h
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Delta Air Lines DL1492
STL 6:55 PM
SLC 9:10 PM
With stops 3.3h
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Delta Air Lines DL2998
SLC 11:02 PM
SEA 12:12 AM
2.2h
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Alaska Airlines AS647
STL 7:41 PM
SEA 10:11 PM
Nonstop 4.5h
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American Airlines AA9443
STL 7:56 PM
SEA 10:24 PM
Nonstop 4.5h
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American Airlines AA7628
STL 7:00 AM
SEA 9:28 AM
Nonstop 4.5h
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Delta Air Lines DL2363
STL 7:00 AM
SLC 9:11 AM
With stops 3.2h
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Delta Air Lines DL2995
SLC 11:40 AM
SEA 1:00 PM
2.3h
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American Airlines AA2491
STL 7:22 PM
DFW 9:20 PM
With stops 2.0h
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American Airlines AA1487
DFW 10:41 PM
SEA 12:59 AM
4.3h
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United Airlines UA2482
STL 7:23 PM
SFO 9:43 PM
With stops 4.3h
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United Airlines UA1885
SFO 10:59 PM
SEA 1:13 AM
2.2h
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United Airlines UA2482
STL 7:23 PM
SFO 9:43 PM
With stops 4.3h
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United Airlines UA5579
SFO 10:37 PM
SEA 12:33 AM
1.9h
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Delta Air Lines DL2363
STL 7:00 AM
SLC 9:11 AM
With stops 3.2h
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Delta Air Lines DL2921
SLC 2:00 PM
SEA 3:23 PM
2.4h
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American Airlines AA858
STL 7:30 AM
CLT 10:30 AM
With stops 2.0h
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American Airlines AA2529
CLT 9:25 AM
SEA 12:07 PM
5.7h
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Frontier Airlines F94567
STL 7:38 PM
DEN 9:04 PM
With stops 2.4h
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Frontier Airlines F94545
DEN 7:13 AM
SEA 9:17 AM
3.1h
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Frontier Airlines F92017
STL 7:10 PM
LAS 8:43 PM
With stops 3.5h
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Frontier Airlines F92407
LAS 7:00 AM
SEA 10:00 AM
3.0h
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American Airlines AA2717
STL 12:45 PM
CLT 3:42 PM
With stops 1.9h
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American Airlines AA751
CLT 5:03 PM
SEA 7:40 PM
5.6h
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American Airlines AA2733
STL 9:25 AM
CLT 12:17 PM
With stops 1.9h
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American Airlines AA2107
CLT 2:34 PM
SEA 5:15 PM
5.7h
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American Airlines AA3194
STL 8:36 AM
DFW 10:38 AM
With stops 2.0h
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American Airlines AA727
DFW 2:25 PM
SEA 4:44 PM
4.3h
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Alaska Airlines AS647
STL 7:41 PM
SEA 10:11 PM
Nonstop 4.5h
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American Airlines AA9443
STL 7:56 PM
SEA 10:24 PM
Nonstop 4.5h
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American Airlines AA7628
STL 7:00 AM
SEA 9:28 AM
Nonstop 4.5h
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Delta Air Lines DL2363
STL 7:00 AM
SLC 9:11 AM
With stops 3.2h
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Delta Air Lines DL2995
SLC 11:40 AM
SEA 1:00 PM
2.3h
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American Airlines AA2491
STL 7:22 PM
DFW 9:20 PM
With stops 2.0h
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American Airlines AA1487
DFW 10:41 PM
SEA 12:59 AM
4.3h
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United Airlines UA2482
STL 7:23 PM
SFO 9:43 PM
With stops 4.3h
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United Airlines UA1885
SFO 10:59 PM
SEA 1:13 AM
2.2h
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United Airlines UA2482
STL 7:23 PM
SFO 9:43 PM
With stops 4.3h
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United Airlines UA5579
SFO 10:37 PM
SEA 12:33 AM
1.9h
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Delta Air Lines DL2363
STL 7:00 AM
SLC 9:11 AM
With stops 3.2h
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Delta Air Lines DL2921
SLC 2:00 PM
SEA 3:23 PM
2.4h
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American Airlines AA858
STL 7:30 AM
CLT 10:30 AM
With stops 2.0h
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F
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American Airlines AA2529
CLT 9:25 AM
SEA 12:07 PM
5.7h
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Frontier Airlines F94567
STL 7:38 PM
DEN 9:04 PM
With stops 2.4h
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F
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Frontier Airlines F94545
DEN 7:13 AM
SEA 9:17 AM
3.1h
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Check prices
Frontier Airlines F92017
STL 7:10 PM
LAS 8:43 PM
With stops 3.5h
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Frontier Airlines F92407
LAS 7:00 AM
SEA 10:00 AM
3.0h
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W
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Check prices
Alaska Airlines AS503
STL 6:22 PM
SEA 8:50 PM
Nonstop 4.5h
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F
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Check prices
Alaska Airlines AS473
STL 6:00 AM
SEA 8:30 AM
Nonstop 4.5h
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F
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Check prices
Delta Air Lines DL1492
STL 6:55 PM
SLC 9:10 PM
With stops 3.3h
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Delta Air Lines DL2998
SLC 11:02 PM
SEA 12:12 AM
2.2h
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American Airlines AA2712
STL 5:18 PM
DFW 7:15 PM
With stops 1.9h
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F
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American Airlines AA2003
DFW 8:13 PM
SEA 10:32 PM
4.3h
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Check prices
American Airlines AA2712
STL 5:18 PM
DFW 7:15 PM
With stops 1.9h
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American Airlines AA1487
DFW 10:41 PM
SEA 12:59 AM
4.3h
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United Airlines UA1483
STL 4:48 PM
DEN 6:24 PM
With stops 2.6h
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F
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United Airlines UA2651
DEN 9:00 PM
SEA 10:59 PM
3.0h
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Check prices
See all
Alaska Airlines AS618
STL 3:11 PM
SEA 5:45 PM
Nonstop 4.6h
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W
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F
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Check prices
American Airlines AA9271
STL 3:24 PM
SEA 5:52 PM
Nonstop 4.5h
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W
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F
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Check prices
Alaska Airlines AS503
STL 6:22 PM
SEA 8:50 PM
Nonstop 4.5h
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W
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F
S
Check prices
Alaska Airlines AS473
STL 6:00 AM
SEA 8:30 AM
Nonstop 4.5h
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W
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F
S
Check prices
Alaska Airlines AS647
STL 7:41 PM
SEA 10:11 PM
Nonstop 4.5h
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W
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F
S
Check prices
American Airlines AA9443
STL 7:56 PM
SEA 10:24 PM
Nonstop 4.5h
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W
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F
S
Check prices
American Airlines AA7628
STL 7:00 AM
SEA 9:28 AM
Nonstop 4.5h
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M
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W
T
F
S
Check prices
Alaska Airlines AS647
STL 7:41 PM
SEA 10:11 PM
Nonstop 4.5h
S
M
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W
T
F
S
Check prices
American Airlines AA9443
STL 7:56 PM
SEA 10:24 PM
Nonstop 4.5h
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W
T
F
S
Check prices
American Airlines AA7628
STL 7:00 AM
SEA 9:28 AM
Nonstop 4.5h
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W
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F
S
Check prices
Alaska Airlines AS503
STL 6:22 PM
SEA 8:50 PM
Nonstop 4.5h
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W
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F
S
Check prices
Alaska Airlines AS473
STL 6:00 AM
SEA 8:30 AM
Nonstop 4.5h
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W
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F
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Check prices
Alaska Airlines AS618
STL 3:11 PM
SEA 5:45 PM
Nonstop 4.6h
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W
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F
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Check prices
American Airlines AA9271
STL 3:24 PM
SEA 5:52 PM
Nonstop 4.5h
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Check prices

FAQs about flight schedules from St. Louis to Seattle

  • When are flight tickets from St. Louis (STL) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from St. Louis to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • It takes around 4 hours 29 minutes to fly from St. Louis (STL) to Seattle (SEA).
  • Airlines with flights from St. Louis (STL) to Seattle (SEA): Alaska Airlines, Hawaiian Airlines, American Airlines, Qatar Airways and Japan Airlines.