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St. Louis Lambert International Airport to Seattle-Tacoma International Airport flight
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Cheap Flights from St. Louis Lambert International Airport to Seattle-Tacoma International Airport
Search for flights from St. Louis to Seattle and check out affordable one-way and round-trip options.
- One way
- Round-trip
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STL22:4410h 20m1 stopSEA07:04St. Louis - Seattle|Tue, May 21|Frontier AirlinesS$ 87S$ 14339% OFF39% OFFS$ 143S$ 87- STL19:5122h 40m1 stopSEA16:31St. Louis - Seattle|Wed, May 1|Frontier AirlinesS$ 87S$ 14339% OFF39% OFFS$ 143S$ 87
- STL19:2326h 41m1 stopSEA20:04St. Louis - Seattle|Thu, May 23|Frontier AirlinesS$ 90S$ 14337% OFF37% OFFS$ 143S$ 90
- STL21:5313h 51m1 stopSEA09:44St. Louis - Seattle|Mon, May 6|Frontier AirlinesS$ 92S$ 92
- STL22:1713h 3m1 stopSEA09:20St. Louis - Seattle|Fri, May 10|Frontier AirlinesS$ 102S$ 102
- STL16:5018h 5m2 stopsSEA08:55St. Louis - Seattle|Tue, Apr 30|Frontier AirlinesS$ 105S$ 105
- STL20:0415h 40m2 stopsSEA09:44St. Louis - Seattle|Mon, Apr 29|Frontier AirlinesS$ 105S$ 105
- STL21:5313h 51m1 stopSEA09:44St. Louis - Seattle|Mon, May 13|Frontier AirlinesS$ 114S$ 114
- STL12:3921h 56m1 stopSEA08:35St. Louis - Seattle|Sat, May 4|Frontier AirlinesS$ 115S$ 115
- STL22:5922h 31m1 stopSEA19:30St. Louis - Seattle|Thu, May 9|Frontier AirlinesS$ 115S$ 115
STL13:003h 5mDirectSEA14:00St. Louis - Seattle|Sat, May 4|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Selected Airlines from St. Louis Lambert International Airport to Seattle-Tacoma International Airport
See which airlines fly from St. Louis to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
Frontier Airlines
From S$ 87
American Airlines
From S$ 116
Spirit Airlines
From S$ 126
Alaska Airlines
From S$ 128
Delta Air Lines
From S$ 139
Sun Country Airlines
From S$ 189
United Airlines
From S$ 193
Southern Airways Express, Llc
From S$ 239
Southwest Airlines
From S$ 251
ANA airlines
Find more flights and airlines
Flight Schedule from St. Louis Lambert International Airport to Seattle-Tacoma International Airport
Check the schedule for flights from St. Louis to Seattle and find the flight that best matches your travel plans.
Flight info.
Departure
Arrival
Weekly Schedule
AA421
American Airlines
05:17
STL
08:12
CLT
SMTWTFSAA2775
American Airlines
09:27
CLT
12:23
SEA
SMTWTFSAS473
Alaska Airlines
07:00
STL
09:25
SEA
SMTWTFSAA2392
American Airlines
13:11
STL
16:00
CLT
SMTWTFSAA1859
American Airlines
20:10
CLT
22:48
SEA
S-TWTFSAS388
Alaska Airlines
14:21
STL
16:45
SEA
SMTWTFSNK1129
Spirit Airlines
15:07
STL
16:34
LAS
S-T-T--NK1363
Spirit Airlines
17:43
LAS
20:23
SEA
SMTWTFSF93301
Frontier Airlines
15:53
STL
17:17
DEN
-M-W--SAS705
Alaska Airlines
18:58
DEN
20:55
SEA
SMTWT-SAA2389
American Airlines
18:10
STL
19:35
PHX
S-TWTFSAA3915
American Airlines
20:31
PHX
23:59
SEA
S-TWTFSDL2090
Delta Air Lines
18:50
STL
21:09
SLC
S--WT-SDL639
Delta Air Lines
23:15
SLC
00:34
SEA
S--WT-SF94567
Frontier Airlines
20:00
STL
21:28
DEN
--T----F91175
Frontier Airlines
06:35
DEN
08:37
SEA
S----F-F92075
Frontier Airlines
22:02
STL
23:30
PHX
S-T-T--F91311
Frontier Airlines
06:00
PHX
09:25
SEA
SMT-TFS
St. Louis Lambert International Airport to Seattle-Tacoma International Airport Flights Info
| Flight distance | 2,747.47km |
|---|---|
| Cheapest one-way ticket price | S$ 86 |
| Cheapest return ticket price | S$ 206 |
FAQs for St. Louis Lambert International Airport to Seattle-Tacoma International Airport Flights
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