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Flights from St. Louis to Portland
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Flights from St. Louis to Portland Starting at NZD 75

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Sat, Mar 1|St. Louis - Portland|Frontier Airlines
        NZD 75NZD 205
        64% OFF
        64% OFF
        NZD 205NZD 75

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Mar 1, arriving at Portland International Airport. One-way Prices start from NZD 75 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Wed, Mar 5|St. Louis - Portland|Frontier Airlines
        NZD 84NZD 205
        59% OFF
        59% OFF
        NZD 205NZD 84

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Mar 5, arriving at Portland International Airport. One-way Prices start from NZD 84 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Wed, Feb 19|St. Louis - Portland|Frontier Airlines
        NZD 95NZD 205
        53% OFF
        53% OFF
        NZD 205NZD 95

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Feb 19, arriving at Portland International Airport. One-way Prices start from NZD 95 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Sat, Feb 15|St. Louis - Portland|Frontier Airlines
        NZD 102
        NZD 102

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Feb 15, arriving at Portland International Airport. One-way Prices start from NZD 102 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Mon, Mar 3|St. Louis - Portland|Frontier Airlines
        NZD 102
        NZD 102

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Mar 3, arriving at Portland International Airport. One-way Prices start from NZD 102 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Wed, Feb 26|St. Louis - Portland|Frontier Airlines
        NZD 104
        NZD 104

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Feb 26, arriving at Portland International Airport. One-way Prices start from NZD 104 including taxes and charges.

      • STL19:04
        7h 33m
        1 stop
        PDX00:37
        Mon, Feb 24|St. Louis - Portland|Frontier Airlines
        NZD 119
        NZD 119

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Mon, Feb 24, arriving at Portland International Airport. One-way Prices start from NZD 119 including taxes and charges.

      • STL19:09
        7h 28m
        1 stop
        PDX00:37
        Fri, Feb 28|St. Louis - Portland|Frontier Airlines
        NZD 136
        NZD 136

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Fri, Feb 28, arriving at Portland International Airport. One-way Prices start from NZD 136 including taxes and charges.

      • STL18:54
        7h 43m
        1 stop
        PDX00:37
        Sat, Feb 22|St. Louis - Portland|Frontier Airlines
        NZD 138
        NZD 138

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Portland International Airport. One-way Prices start from NZD 138 including taxes and charges.

      • STL18:51
        7h 46m
        1 stop
        PDX00:37
        Wed, Apr 2|St. Louis - Portland|Frontier Airlines
        NZD 140
        NZD 140

        Choose Frontier Airlines flights from St. Louis to Portland. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Wed, Apr 2, arriving at Portland International Airport. One-way Prices start from NZD 140 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        PDX02:00 pm
        Sat, Feb 15|St. Louis - Portland|Frontier Airlines
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        Find More Flights

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

St. Louis to Portland flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1597

    Delta Air Lines

    06:30

    STL

    1.5h

    08:02

    MSP

    SMTWTFS
    Search

  2. DL2167

    Delta Air Lines

    10:09

    MSP

    3.6h

    11:48

    PDX

    SMTWTFS

  3. AS504

    Alaska Airlines

    07:00

    STL

    4.6h

    09:35

    SEA

    SMTWTFS
    Search

  4. AS1039

    Alaska Airlines

    11:35

    SEA

    0.9h

    12:29

    PDX

    SMTWTFS

  5. F93641

    Frontier Airlines

    13:06

    STL

    3.8h

    14:51

    LAS

    SMTWTFS
    Search

  6. AS1467

    Alaska Airlines

    11:07

    LAS

    2.5h

    13:34

    PDX

    SMTWTFS

  7. F93641

    Frontier Airlines

    13:06

    STL

    3.8h

    14:51

    LAS

    SMTWTFS
    Search

  8. F91105

    Frontier Airlines

    13:09

    LAS

    2.5h

    15:42

    PDX

    S--WTFS

  9. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  10. UA498

    United Airlines

    19:20

    DEN

    2.8h

    21:10

    PDX

    SMTWTFS

  11. UA1004

    United Airlines

    16:30

    STL

    2.3h

    17:50

    DEN

    ---WTF-
    Search

  12. F92687

    Frontier Airlines

    22:50

    DEN

    2.8h

    00:38

    PDX

    SMTWTFS

  13. DL1492

    Delta Air Lines

    17:00

    STL

    3.5h

    19:27

    SLC

    -MTWTF-
    Search

  14. DL1373

    Delta Air Lines

    22:45

    SLC

    1.9h

    23:42

    PDX

    SMTWTFS

  15. AS503

    Alaska Airlines

    18:22

    STL

    4.5h

    20:50

    SEA

    ---WTF-
    Search

  16. AS146

    Alaska Airlines

    20:59

    SEA

    0.9h

    21:54

    PDX

    ---WTF-

  17. F94567

    Frontier Airlines

    18:53

    STL

    2.5h

    20:22

    DEN

    S-T-TF-
    Search

  18. F92687

    Frontier Airlines

    22:50

    DEN

    2.8h

    00:38

    PDX

    SMTWTFS

  19. F92017

    Frontier Airlines

    21:55

    STL

    3.8h

    23:41

    LAS

    ---WT--
    Search

  20. F91105

    Frontier Airlines

    13:09

    LAS

    2.5h

    15:42

    PDX

    S--WTFS
Find more flights and airlines

Find the best time to fly from St. Louis to Portland

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from St. Louis to Portland

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Alaska Airlines logoAlaska AirlinesFrontier Airlines logoFrontier Airlines

FAQ

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

    Airlines adjust prices for flights from St. Louis to Portland 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.

  • How much do flights from St. Louis (STL) to Portland (PDX) cost?

    According to Trip.com's data, the lowest price is around NZD 537.

  • How long does it take to fly from St. Louis (STL) to Portland (PDX) and what is the distance?

    It takes around 10 hours 35 minutes to fly from St. Louis (STL) to Portland (PDX).

  • What are the most popular airlines that fly from St. Louis (STL) to Portland (PDX)?

    Airlines with flights from St. Louis (STL) to Portland (PDX): Southwest Airlines.

How to find a cheap flight from St. Louis to Portland

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Portland. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Portland

Cheapest nonstop flight priceNZD 74
Off-season for travelJanuary
Peak season for travelApril
Flight distance2,763.15 km
Average flight time10 hours 35 minutes
Popular airlineAlaska Airlines

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