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St. Louis Lambert International Airport to Portland International Airport flight

Search for flights from St. Louis to Portland. Find affordable one-way or round-trip flights.

      • Cheapest nonstop
        STL 18:08
        4h 12m
        Nonstop
        PDX 20:20
        St. Louis - Portland | Mon, Aug 31 | Alaska Airlines
        PDX 11:16
        3h 54m
        Nonstop
        STL 17:10
        Portland - St. Louis | Sat, Sep 5 | Alaska Airlines
        AU$468 AU$657
        28% off
        28% off
        AU$657 AU$468
      • STL 20:08
        22h 23m
        1 stop
        PDX 16:31
        St. Louis - Portland | Fri, Aug 14 | Frontier Airlines
        PDX 17:49
        22h 26m
        1 stop
        STL 18:15
        Portland - St. Louis | Tue, Aug 18 | Frontier Airlines
        AU$369 AU$657
        44% off
        44% off
        AU$657 AU$369
      • STL 18:45
        24h 36m
        1 stop
        PDX 17:21
        St. Louis - Portland | Mon, Aug 31 | Frontier Airlines
        PDX 11:16
        3h 54m
        Nonstop
        STL 17:10
        Portland - St. Louis | Sat, Sep 5 | Alaska Airlines
        AU$386 AU$657
        41% off
        41% off
        AU$657 AU$386
      • STL 19:45
        5h 54m
        1 stop
        PDX 23:39
        St. Louis - Portland | Mon, Aug 31 | Delta Air Lines
        PDX 11:16
        3h 54m
        Nonstop
        STL 17:10
        Portland - St. Louis | Sat, Sep 5 | Alaska Airlines
        AU$430
        35% off
        AU$657 AU$430
      • STL 18:08
        4h 12m
        Nonstop
        PDX 20:20
        St. Louis - Portland | Sat, Sep 26 | Alaska Airlines
        PDX 15:00
        6h 16m
        1 stop
        STL 23:16
        Portland - St. Louis | Mon, Sep 28 | Delta Air Lines
        AU$438
        33% off
        AU$657 AU$438
      • STL 18:55
        6h 45m
        1 stop
        PDX 23:40
        St. Louis - Portland | Sat, Sep 26 | Delta Air Lines
        PDX 15:00
        6h 16m
        1 stop
        STL 23:16
        Portland - St. Louis | Mon, Sep 28 | Delta Air Lines
        AU$452
        31% off
        AU$657 AU$452
      • STL 08:00
        7h 52m
        1 stop
        PDX 13:52
        St. Louis - Portland | Mon, Aug 31 | American Airlines
        PDX 06:27
        9h 38m
        1 stop
        STL 18:05
        Portland - St. Louis | Sat, Sep 5 | American Airlines
        AU$452
        31% off
        AU$657 AU$452
      • STL 05:43
        7h 16m
        1 stop
        PDX 10:59
        St. Louis - Portland | Sat, Sep 26 | American Airlines
        PDX 14:12
        7h 31m
        1 stop
        STL 23:43
        Portland - St. Louis | Mon, Sep 28 | American Airlines
        AU$460
        30% off
        AU$657 AU$460
      • STL 19:45
        5h 54m
        1 stop
        PDX 23:39
        St. Louis - Portland | Fri, Aug 14 | Delta Air Lines
        PDX 17:49
        22h 26m
        1 stop
        STL 18:15
        Portland - St. Louis | Tue, Aug 18 | Frontier Airlines
        AU$466
        28% off
        AU$657 AU$466
      • STL 13:00
        17h 25m
        1 stop
        PDX 14:00
        St. Louis - Portland | Sat, Aug 8 | Normal Airline
        PDX 15:00
        6h
        Nonstop
        STL 16:00
        Portland - St. Louis | Mon, Aug 10 | Normal Airline
        More cheap flights
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      • Cheapest nonstop
        STL 18:08
        4h 12m
        Nonstop
        PDX 20:20
        St. Louis - Portland | Sat, Sep 12 | Alaska Airlines
        AU$200 AU$337
        41% off
        41% off
        AU$337 AU$200
      • STL 17:37
        4h 10m
        Nonstop
        PDX 19:47
        St. Louis - Portland | Wed, Aug 19 | Alaska Airlines
        AU$249 AU$337
        26% off
        26% off
        AU$337 AU$249
      • STL 15:39
        8h 5m
        1 stop
        PDX 21:44
        St. Louis - Portland | Fri, Aug 14 | Delta Air Lines
        AU$142 AU$337
        57% off
        57% off
        AU$337 AU$142
      • STL 19:10
        23h 44m
        1 stop
        PDX 16:54
        St. Louis - Portland | Mon, Aug 17 | Frontier Airlines
        AU$172
        49% off
        AU$337 AU$172
      • STL 12:17
        25h 19m
        1 stop
        PDX 11:36
        St. Louis - Portland | Sun, Sep 13 | Frontier Airlines
        AU$179
        47% off
        AU$337 AU$179
      • STL 18:45
        20h 7m
        1 stop
        PDX 12:52
        St. Louis - Portland | Sun, Aug 23 | Frontier Airlines
        AU$180
        47% off
        AU$337 AU$180
      • STL 18:45
        24h 36m
        1 stop
        PDX 17:21
        St. Louis - Portland | Mon, Aug 24 | Frontier Airlines
        AU$181
        46% off
        AU$337 AU$181
      • STL 18:45
        20h 7m
        1 stop
        PDX 12:52
        St. Louis - Portland | Sun, Aug 30 | Frontier Airlines
        AU$181
        46% off
        AU$337 AU$181
      • STL 18:45
        24h 36m
        1 stop
        PDX 17:21
        St. Louis - Portland | Mon, Sep 7 | Frontier Airlines
        AU$182
        46% off
        AU$337 AU$182
      • STL 20:08
        23h 3m
        1 stop
        PDX 17:11
        St. Louis - Portland | Fri, Aug 21 | Frontier Airlines
        AU$182
        46% off
        AU$337 AU$182
      • STL 19:58
        23h 13m
        1 stop
        PDX 17:11
        St. Louis - Portland | Thu, Aug 27 | Frontier Airlines
        AU$182
        46% off
        AU$337 AU$182
      • STL 20:08
        22h 43m
        1 stop
        PDX 16:51
        St. Louis - Portland | Wed, Aug 19 | Frontier Airlines
        AU$182
        46% off
        AU$337 AU$182
      • STL 13:00
        17h 25m
        1 stop
        PDX 14:00
        St. Louis - Portland | Sat, Aug 8 | Normal Airline
        More cheap flights
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airport_to_airport.flight_disclaimer

Selected Airlines from St. Louis Lambert International Airport to Portland International Airport

View airlines operating flights from St. Louis to Portland. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Delta Air Lines
From AU$142
Frontier Airlines
From AU$152
Alaska Airlines
From AU$199
American Airlines
From AU$227
United Airlines
From AU$255

Find more flights and airlines

Flight Schedule from St. Louis Lambert International Airport to Portland International Airport

Check on the flight schedule from St. Louis to Portland to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2455

    St. Louis Lambert International Airport

    14:15

    STL

    3h 17m

    Nonstop

    16:32

    SLC

    S M T W T - S
    Search

  2. DL1238

    Salt Lake City International Airport

    17:10

    SLC

    2h 4m

    Nonstop

    18:14

    PDX

    S - - W T - S

  3. DL4167

    St. Louis Lambert International Airport

    15:50

    STL

    1h 40m

    Nonstop

    17:30

    MSP

    S M T W T F S
    Search

  4. DL2151

    Minneapolis-Saint Paul International Airport

    18:35

    MSP

    3h 48m

    Nonstop

    20:23

    PDX

    S M T W T F S

  5. DL1597

    St. Louis Lambert International Airport

    06:30

    STL

    1h 36m

    Nonstop

    08:06

    MSP

    S M T W T F S
    Search

  6. DL2415

    Minneapolis-Saint Paul International Airport

    09:05

    MSP

    3h 36m

    Nonstop

    10:41

    PDX

    S M T W T F S

  7. DL5325

    St. Louis Lambert International Airport

    09:45

    STL

    1h 38m

    Nonstop

    11:23

    MSP

    S M T W T - S
    Search

  8. DL2167

    Minneapolis-Saint Paul International Airport

    11:00

    MSP

    3h 38m

    Nonstop

    12:38

    PDX

    S M T W T F S

  9. AA2261

    St. Louis Lambert International Airport

    05:42

    STL

    1h 58m

    Nonstop

    07:40

    DFW

    S M T W T F S
    Search

  10. AA2655

    Dallas Fort Worth International Airport

    08:55

    DFW

    3h 59m

    Nonstop

    10:54

    PDX

    S M T W T F S

  11. DL566

    St. Louis Lambert International Airport

    14:58

    STL

    1h 35m

    Nonstop

    17:33

    ATL

    S M T W T F S
    Search

  12. DL503

    Hartsfield–Jackson Atlanta International Airport

    16:45

    ATL

    5h 23m

    Nonstop

    19:08

    PDX

    S M T W T F S

  13. DL1492

    St. Louis Lambert International Airport

    19:00

    STL

    3h 18m

    Nonstop

    21:18

    SLC

    S M T W T F S
    Search

  14. DL1373

    Salt Lake City International Airport

    22:45

    SLC

    2h 6m

    Nonstop

    23:51

    PDX

    S M T W T F S

  15. DL3185

    St. Louis Lambert International Airport

    17:34

    STL

    1h 41m

    Nonstop

    19:15

    MSP

    S M T W T F S
    Search

  16. DL2391

    Minneapolis-Saint Paul International Airport

    21:30

    MSP

    3h 40m

    Nonstop

    23:10

    PDX

    S - - W T - S

  17. DL2700

    St. Louis Lambert International Airport

    15:40

    STL

    1h 37m

    Nonstop

    18:17

    ATL

    S M T W T F S
    Search

  18. DL357

    Hartsfield–Jackson Atlanta International Airport

    19:40

    ATL

    5h 4m

    Nonstop

    21:44

    PDX

    S M T W T F S

  19. AA1926

    St. Louis Lambert International Airport

    05:54

    STL

    1h 31m

    Nonstop

    07:25

    ORD

    S M T W T F S
    Search

  20. AA1713

    O'Hare International Airport

    17:00

    ORD

    4h 36m

    Nonstop

    19:36

    PDX

    S M T W T F S
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St. Louis Lambert International Airport to Portland International Airport Flights Info

Flight distance 2,745.44 km
Cheapest one-way ticket price AU$142
Cheapest return ticket price AU$369

FAQs for St. Louis Lambert International Airport to Portland International Airport Flights

  • How long is a flight from St. Louis Lambert International Airport (STL) to Portland International Airport (PDX)?

    It takes around 11 hours 35 minutes to fly from St. Louis Lambert International Airport (stl) to Portland International Airport (pdx).
  • There are around 1 daily flights from St. Louis Lambert International Airport (STL) to Portland International Airport (PDX).
  • Tickets cost around AU$582 in September, making it the cheapest month to book. St. Louis Lambert International Airport (STL) to Portland International Airport (PDX) is a popular route, so don't forget to book your tickets in advance.
  • The route from St. Louis Lambert International Airport (STL) to Portland International Airport (PDX) is quite popular. Without considering departure times or holidays, tickets cost around AU$582 in September, the most expensive month to book this route.
  • The earliest flight departs from St. Louis Lambert International Airport at 06:15 and arrives in Portland International Airport at 12:15.
  • The latest flight departs from St. Louis Lambert International Airport at 17:24 and arrives in Portland International Airport at 22:33.
  • United Airlines is a very popular airline operating an average of 131 flights per month.

Popular Destinations

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.