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Seattle-Tacoma International Airport to St. Louis flight
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Cheap Flights from Seattle-Tacoma International Airport to St. Louis

Search for flights from Seattle-Tacoma International Airport to St. Louis and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • SEA21:40
        11h 6m
        1 stop
        STL10:46
        Seattle - St. Louis|Tue, May 21|Spirit Airlines
        NZD 70NZD 181
        62% OFF
        62% OFF
        NZD 181NZD 70
      • SEA21:19
        11h 27m
        1 stop
        STL10:46
        Seattle - St. Louis|Tue, May 7|Spirit Airlines
        NZD 75NZD 181
        57% OFF
        57% OFF
        NZD 181NZD 75
      • SEA21:40
        10h 38m
        1 stop
        STL10:18
        Seattle - St. Louis|Tue, May 14|Spirit Airlines
        NZD 84NZD 181
        53% OFF
        53% OFF
        NZD 181NZD 84
      • SEA21:35
        10h 12m
        1 stop
        STL09:47
        Seattle - St. Louis|Tue, May 7|Frontier Airlines
        NZD 107
        NZD 107
      • SEA09:55
        8h 44m
        1 stop
        STL20:39
        Seattle - St. Louis|Wed, May 8|Frontier Airlines
        NZD 107
        NZD 107
      • SEA22:24
        9h 1m
        1 stop
        STL09:25
        Seattle - St. Louis|Fri, May 17|Frontier Airlines
        NZD 114
        NZD 114
      • SEA21:00
        11h 9m
        1 stop
        STL10:09
        Seattle - St. Louis|Mon, May 13|Frontier Airlines
        NZD 115
        NZD 115
      • SEA22:34
        9h 13m
        1 stop
        STL09:47
        Seattle - St. Louis|Fri, May 10|Frontier Airlines
        NZD 120
        NZD 120
      • SEA21:40
        10h 33m
        1 stop
        STL10:13
        Seattle - St. Louis|Wed, May 29|Spirit Airlines
        NZD 122
        NZD 122
      • SEA21:35
        10h 12m
        1 stop
        STL09:47
        Seattle - St. Louis|Tue, May 14|Frontier Airlines
        NZD 125
        NZD 125
      • SEA13:00
        3h 5m
        Direct
        STL14:00
        Seattle - St. Louis|Sat, May 11|Spirit Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to St. Louis

See which airlines fly from Seattle-Tacoma International Airport to St. Louis. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Spirit Airlines
From NZD 70
Frontier Airlines
From NZD 107
American Airlines
From NZD 149
Delta Air Lines
From NZD 169
Alaska Airlines
From NZD 178
United Airlines
From NZD 223
Sun Country Airlines
From NZD 231
Southwest Airlines
From NZD 629
ANA airlines
Find more flights and airlines

Airports in St. Louis

Learn about different airports in St. Louis, find the best flight and transfer options, and plan your journey.

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    NZD 70
Flight Schedule from Seattle-Tacoma International Airport to St. Louis

Check the schedule for flights from Seattle-Tacoma International Airport to St. Louis and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL681

    Delta Air Lines

    00:35

    SEA

    3.4h

    05:56

    MSP

    -MTWTF-
    Search

  2. DL824

    Delta Air Lines

    09:40

    MSP

    1.5h

    11:10

    STL

    -MTWTF-

  3. AA2748

    American Airlines

    05:00

    SEA

    4.0h

    10:57

    DFW

    SMTWTFS
    Search

  4. AA2289

    American Airlines

    08:39

    DFW

    1.9h

    10:36

    STL

    SMTWTFS

  5. DL2628

    Delta Air Lines

    05:30

    SEA

    2.1h

    08:34

    SLC

    -MTWTF-
    Search

  6. DL1309

    Delta Air Lines

    09:37

    SLC

    2.8h

    13:26

    STL

    -MTWTF-

  7. AS388

    Alaska Airlines

    07:24

    SEA

    4.0h

    Direct

    13:23

    STL

    SMTWTFS
    Search

  8. F91312

    Frontier Airlines

    10:06

    SEA

    3.1h

    13:10

    PHX

    SMT-TFS
    Search

  9. F92076

    Frontier Airlines

    17:05

    PHX

    2.9h

    21:59

    STL

    S-T-T--

  10. AS472

    Alaska Airlines

    18:10

    SEA

    3.8h

    Direct

    23:59

    STL

    SMTWTFS
    Search

  11. F91176

    Frontier Airlines

    22:08

    SEA

    2.7h

    01:51

    DEN

    S---T--
    Search

  12. F93302

    Frontier Airlines

    11:46

    DEN

    2.1h

    14:53

    STL

    -M-W--S

  13. AA2102

    American Airlines

    23:30

    SEA

    4.0h

    05:27

    DFW

    SMTWTFS
    Search

  14. AA2897

    American Airlines

    07:43

    DFW

    1.8h

    09:29

    STL

    SMTWTFS

  15. AA2174

    American Airlines

    23:58

    SEA

    5.0h

    07:59

    CLT

    SMTWTF-
    Search

  16. AA2475

    American Airlines

    07:26

    CLT

    2.1h

    08:30

    STL

    SMTWTFS

  17. AA1181

    American Airlines

    23:59

    SEA

    4.2h

    06:11

    ORD

    SMTWTF-
    Search

  18. AA3564

    American Airlines

    08:15

    ORD

    1.4h

    09:39

    STL

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Seattle-Tacoma International Airport to St. Louis

Cheapest round-trip ticket price

NZD 349

Cheapest nonstop flight price

NZD 69

Off-season for travel

April

Peak season for travel

July

FAQs for Seattle-Tacoma International Airport to St. Louis Flights

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

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