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St. Louis Lambert International Airport to Tri Cities Airport flight
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Cheap Flights from St. Louis Lambert International Airport to Tri Cities Airport

Search for flights from St. Louis to Pasco and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • STL19:41
        18h 24m
        1 stop
        PSC12:05
        St. Louis - Pasco|Tue, Jun 11|Alaska Airlines
        €139€415
        66% OFF
        66% OFF
        €415€139
      • STL13:30
        22h 10m
        1 stop
        PSC09:40
        St. Louis - Pasco|Thu, Jun 20|United Airlines
        €225€415
        46% OFF
        46% OFF
        €415€225
      • STL14:21
        8h 24m
        1 stop
        PSC20:45
        St. Louis - Pasco|Fri, Jun 14|Alaska Airlines
        €266€415
        36% OFF
        36% OFF
        €415€266
      • STL19:32
        27h 13m
        1 stop
        PSC20:45
        St. Louis - Pasco|Thu, Jul 25|Alaska Airlines
        €278
        €278
      • STL19:32
        21h 23m
        1 stop
        PSC14:55
        St. Louis - Pasco|Sun, Aug 4|Alaska Airlines
        €278
        €278
      • STL07:00
        8h 12m
        1 stop
        PSC13:12
        St. Louis - Pasco|Thu, Jun 20|Alaska Airlines
        €282
        €282
      • STL15:23
        6h 11m
        1 stop
        PSC19:34
        St. Louis - Pasco|Fri, Jun 14|Delta Air Lines
        €303
        €303
      • STL19:41
        6h 16m
        1 stop
        PSC23:57
        St. Louis - Pasco|Mon, Jun 10|Alaska Airlines
        €339
        €339
      • STL19:41
        6h 16m
        1 stop
        PSC23:57
        St. Louis - Pasco|Sun, Jun 9|Alaska Airlines
        €342
        €342
      • STL15:37
        7h 19m
        1 stop
        PSC20:56
        St. Louis - Pasco|Sun, Jun 9|Frontier Airlines
        €354
        €354
      • STL13:00
        3h 5m
        Direct
        PSC14:00
        St. Louis - Pasco|Wed, Jun 12|Alaska 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 St. Louis Lambert International Airport to Tri Cities Airport

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

Alaska Airlines
From €139
Frontier Airlines
From €142
United Airlines
From €225
Sun Country Airlines
From €230
Delta Air Lines
From €303
American Airlines
From €378
ANA airlines

Find more flights and airlines

Flight Schedule from St. Louis Lambert International Airport to Tri Cities Airport

Check the schedule for flights from St. Louis to Pasco and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2574

    American Airlines

    07:39

    STL

    3.2h

    08:53

    PHX

    SMTWTFS
    Search

  2. AA4944

    American Airlines

    10:30

    PHX

    2.7h

    13:14

    PSC

    SMTWTFS

  3. DL2363

    Delta Air Lines

    07:55

    STL

    3.2h

    10:09

    SLC

    SMT-TFS
    Search

  4. DL3958

    Delta Air Lines

    11:05

    SLC

    1.7h

    11:48

    PSC

    SMTWTFS

  5. UA1923

    United Airlines

    08:55

    STL

    2.5h

    10:22

    DEN

    SMTWTFS
    Search

  6. UA5520

    United Airlines

    11:15

    DEN

    2.6h

    12:51

    PSC

    SMTWTFS

  7. UA2625

    United Airlines

    13:39

    STL

    2.4h

    15:00

    DEN

    SMTWTFS
    Search

  8. AS620

    Alaska Airlines

    16:06

    DEN

    2.9h

    18:00

    SEA

    SMTWTFS

  9. AS1022

    Alaska Airlines

    19:53

    SEA

    1.1h

    20:57

    PSC

    SMTWTFS

  10. UA2625

    United Airlines

    13:39

    STL

    2.4h

    15:00

    DEN

    SMTWTFS
    Search

  11. UA4641

    United Airlines

    19:34

    DEN

    2.6h

    21:10

    PSC

    SMTWTFS

  12. AS388

    Alaska Airlines

    14:34

    STL

    4.4h

    16:59

    SEA

    SMTWTFS
    Search

  13. AS1022

    Alaska Airlines

    19:53

    SEA

    1.1h

    20:57

    PSC

    SMTWTFS

  14. DL1569

    Delta Air Lines

    15:28

    STL

    1.7h

    17:09

    MSP

    SMT-TFS
    Search

  15. DL2266

    Delta Air Lines

    21:55

    MSP

    3.3h

    23:15

    PSC

    SMT-TFS

  16. F93301

    Frontier Airlines

    15:53

    STL

    2.4h

    17:17

    DEN

    -M-W--S
    Search

  17. UA4641

    United Airlines

    19:34

    DEN

    2.6h

    21:10

    PSC

    SMTWTFS

  18. UA1646

    United Airlines

    16:45

    STL

    2.5h

    18:12

    DEN

    SMTWTFS
    Search

  19. UA4641

    United Airlines

    19:34

    DEN

    2.6h

    21:10

    PSC

    SMTWTFS

  20. AS349

    Alaska Airlines

    19:41

    STL

    4.3h

    22:00

    SEA

    SMTWTFS
    Search

  21. AS2409

    Alaska Airlines

    22:59

    SEA

    0.9h

    23:53

    PSC

    SMTWTFS
Find more flights and airlines

St. Louis Lambert International Airport to Tri Cities Airport Flights Info

Flight distance2,487.09km
Cheapest one-way ticket price€139

FAQs for St. Louis Lambert International Airport to Tri Cities Airport Flights

  • What is the transportation method from the main airport to downtown in Pasco?

    • The distance from Tri Cities Airport to downtown is about 2km. It takes about 20 minutes by taxi.

  • What's the closest airport to Tri Cities Airport (PSC)?

    The closest airport to Tri Cities Airport (PSC) is Walla Walla Regional Airport. The distance is around 67km.

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