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Flights from Portland to St. Louis Starting at NZD 71

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

  • One way
  • Round-trip
      • Cheapest nonstop
        PDX07:05
        6h 35m
        Nonstop
        STL15:40
        Sat, Feb 15|Portland - St. Louis|United Airlines
        NZD 384NZD 512
        25% OFF
        25% OFF
        NZD 512NZD 384

        Choose United Airlines flights from Portland to St. Louis. The one-way direct flight with United Airlines departs from Portland International Airport on Sat, Feb 15, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 384 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Tue, Mar 4|Portland - St. Louis|Frontier Airlines
        NZD 71NZD 512
        86% OFF
        86% OFF
        NZD 512NZD 71

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Tue, Mar 4, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 71 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Tue, Feb 18|Portland - St. Louis|Frontier Airlines
        NZD 73NZD 512
        86% OFF
        86% OFF
        NZD 512NZD 73

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Tue, Feb 18, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 73 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Thu, Feb 13|Portland - St. Louis|Frontier Airlines
        NZD 107
        NZD 107

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Thu, Feb 13, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 107 including taxes and charges.

      • PDX21:18
        18h 18m
        1 stop
        STL17:36
        Mon, Feb 24|Portland - St. Louis|Frontier Airlines
        NZD 114
        NZD 114

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Mon, Feb 24, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 114 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Fri, Feb 21|Portland - St. Louis|Frontier Airlines
        NZD 118
        NZD 118

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Fri, Feb 21, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 118 including taxes and charges.

      • PDX06:40
        24h 26m
        1 stop
        STL09:06
        Thu, Apr 10|Portland - St. Louis|Frontier Airlines
        NZD 123
        NZD 123

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Thu, Apr 10, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 123 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Sun, Mar 2|Portland - St. Louis|Frontier Airlines
        NZD 129
        NZD 129

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Sun, Mar 2, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 129 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Fri, Feb 28|Portland - St. Louis|Frontier Airlines
        NZD 142
        NZD 142

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Fri, Feb 28, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 142 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Fri, Feb 14|Portland - St. Louis|Frontier Airlines
        NZD 144
        NZD 144

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Fri, Feb 14, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 144 including taxes and charges.

      • PDX01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Sat, Feb 15|Portland - St. Louis|United Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Portland to St. Louis flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2359

    Delta Air Lines

    00:40

    PDX

    3.4h

    06:02

    MSP

    S--WTFS
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  2. DL1564

    Delta Air Lines

    08:50

    MSP

    1.6h

    10:23

    STL

    SMTWTFS

  3. DL1270

    Delta Air Lines

    05:55

    PDX

    1.9h

    08:50

    SLC

    SMTWTFS
    Search

  4. DL2455

    Delta Air Lines

    09:30

    SLC

    2.9h

    13:21

    STL

    SM-WT-S

  5. AS124

    Alaska Airlines

    06:00

    PDX

    1.0h

    06:59

    SEA

    SMTWTFS
    Search

  6. AS503

    Alaska Airlines

    08:26

    SEA

    4.0h

    14:25

    STL

    ---WTF-

  7. UA1164

    United Airlines

    06:03

    PDX

    1.9h

    08:00

    SFO

    SMT---S
    Search

  8. UA336

    United Airlines

    12:05

    SFO

    3.8h

    17:53

    STL

    SMTWTFS

  9. DL2369

    Delta Air Lines

    06:15

    PDX

    3.4h

    11:36

    MSP

    SMTWTFS
    Search

  10. DL1605

    Delta Air Lines

    15:15

    MSP

    1.5h

    16:45

    STL

    S--WTFS

  11. AS1008

    Alaska Airlines

    11:45

    PDX

    0.9h

    12:40

    SEA

    SMTWTFS
    Search

  12. AS388

    Alaska Airlines

    08:03

    SEA

    4.1h

    14:08

    STL

    SMTWTFS

  13. AS3358

    Alaska Airlines

    15:02

    PDX

    1.0h

    16:02

    SEA

    SMTWTFS
    Search

  14. AS388

    Alaska Airlines

    08:03

    SEA

    4.1h

    14:08

    STL

    SMTWTFS

  15. AS1193

    Alaska Airlines

    15:49

    PDX

    2.5h

    18:17

    LAX

    ---WTF-
    Search

  16. F91500

    Frontier Airlines

    00:59

    ONT

    2.3h

    04:17

    DEN

    SMTWTFS

  17. F93302

    Frontier Airlines

    06:00

    DEN

    2.1h

    09:09

    STL

    SMTWTFS

  18. DL1244

    Delta Air Lines

    17:20

    PDX

    1.9h

    20:15

    SLC

    SMTWTFS
    Search

  19. DL2666

    Delta Air Lines

    20:45

    SLC

    2.9h

    00:37

    STL

    SMTWTFS

  20. F91106

    Frontier Airlines

    21:21

    PDX

    2.3h

    23:40

    LAS

    S--WT-S
    Search

  21. F92018

    Frontier Airlines

    06:00

    LAS

    3.2h

    11:10

    STL

    SMTWTFS
Find more flights and airlines

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

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 Portland to St. Louis

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

FAQ

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

    Airlines adjust prices for flights from Portland to St. Louis 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 Portland (PDX) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around NZD 545.

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

    It takes around 6 hours 52 minutes to fly from Portland (PDX) to St. Louis (STL).

  • 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 20 km. It takes about 40 minutes by taxi.

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

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

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

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 Portland to St. Louis. 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 Portland to St. Louis

Cheapest nonstop flight priceNZD 70
Cheapest round-trip ticket priceNZD 385
Off-season for travelJanuary
Peak season for travelApril
Flight distance2,763.15 km
Average flight time6 hours 52 minutes
Popular airlineAmerican Airlines

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