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Cheap flight deals from Portland to St. Louis Starting at AED 174

Discover our range of affordable one-way and round-trip flights from Portland to St. Louis and kick-start your next adventure today!

  • One way
  • Round-trip
      • Cheapest nonstop
        PDX07:05
        6h 35m
        Nonstop
        STL15:40
        Sat, Feb 15|Portland - St. Louis|United Airlines
        AED 803AED 1,042
        23% OFF
        23% OFF
        AED 1,042AED 803

        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 AED 803 including taxes and charges.

      • PDX10:06
        21h 10m
        1 stop
        STL09:16
        Tue, Mar 11|Portland - St. Louis|Frontier Airlines
        AED 174AED 1,042
        83% OFF
        83% OFF
        AED 1,042AED 174

        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 11, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 174 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Tue, Mar 4|Portland - St. Louis|Frontier Airlines
        AED 196AED 1,042
        81% OFF
        81% OFF
        AED 1,042AED 196

        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 AED 196 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Tue, Feb 25|Portland - St. Louis|Frontier Airlines
        AED 198
        AED 198

        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 25, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 198 including taxes and charges.

      • PDX21:18
        22h 50m
        1 stop
        STL22:08
        Thu, Feb 27|Portland - St. Louis|Frontier Airlines
        AED 226
        AED 226

        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 27, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 226 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Thu, Mar 6|Portland - St. Louis|Frontier Airlines
        AED 226
        AED 226

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Thu, Mar 6, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 226 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Fri, Feb 21|Portland - St. Louis|Frontier Airlines
        AED 245
        AED 245

        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 AED 245 including taxes and charges.

      • PDX06:40
        24h 26m
        1 stop
        STL09:06
        Thu, Apr 10|Portland - St. Louis|Frontier Airlines
        AED 256
        AED 256

        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 AED 256 including taxes and charges.

      • PDX06:40
        26h 42m
        1 stop
        STL11:22
        Sat, Apr 12|Portland - St. Louis|Frontier Airlines
        AED 258
        AED 258

        Choose Frontier Airlines flights from Portland to St. Louis. The one-way connecting flight with Frontier Airlines departs from Portland International Airport on Sat, Apr 12, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 258 including taxes and charges.

      • PDX06:32
        24h 44m
        1 stop
        STL09:16
        Fri, Feb 28|Portland - St. Louis|Frontier Airlines
        AED 296
        AED 296

        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 AED 296 including taxes and charges.

      • PDX01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Sat, Feb 22|Portland - St. Louis|United Airlines
        Find More Flights
        Find More Flights

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

    SMTWTFS
    Search

  2. DL1564

    Delta Air Lines

    10:00

    MSP

    1.6h

    11:35

    STL

    SMTWTFS

  3. DL1270

    Delta Air Lines

    05:55

    PDX

    2.0h

    08:54

    SLC

    SMTWTFS
    Search

  4. DL1492

    Delta Air Lines

    09:25

    SLC

    2.9h

    13:18

    STL

    SMTWTF-

  5. DL1270

    Delta Air Lines

    05:55

    PDX

    2.0h

    08:54

    SLC

    SMTWTFS
    Search

  6. DL2455

    Delta Air Lines

    09:30

    SLC

    2.9h

    13:25

    STL

    S--WT-S

  7. AS124

    Alaska Airlines

    06:00

    PDX

    1.0h

    06:59

    SEA

    SMTWTFS
    Search

  8. AS503

    Alaska Airlines

    08:26

    SEA

    4.0h

    14:25

    STL

    SMTWTFS

  9. DL2369

    Delta Air Lines

    06:15

    PDX

    3.4h

    11:38

    MSP

    SMTWTFS
    Search

  10. DL1605

    Delta Air Lines

    15:15

    MSP

    1.6h

    16:50

    STL

    SMTWT-S

  11. AS1008

    Alaska Airlines

    11:45

    PDX

    0.9h

    12:40

    SEA

    SMTWTFS
    Search

  12. AS388

    Alaska Airlines

    11:25

    SEA

    4.0h

    17:22

    STL

    SMTWTFS

  13. AS1193

    Alaska Airlines

    15:49

    PDX

    2.5h

    18:17

    LAX

    SMTWTFS
    Search

  14. F91500

    Frontier Airlines

    00:59

    ONT

    2.3h

    04:17

    DEN

    SMTWTFS

  15. F93302

    Frontier Airlines

    06:00

    DEN

    2.1h

    09:09

    STL

    SMT-TFS

  16. NK152

    Spirit Airlines

    20:28

    PDX

    2.2h

    22:39

    LAS

    SMTWTFS
    Search

  17. F92018

    Frontier Airlines

    06:00

    LAS

    3.2h

    11:10

    STL

    -MTWTFS

  18. F91106

    Frontier Airlines

    21:21

    PDX

    2.3h

    23:40

    LAS

    S--WT-S
    Search

  19. F92018

    Frontier Airlines

    06:00

    LAS

    3.2h

    11:10

    STL

    -MTWTFS

  20. F91106

    Frontier Airlines

    21:21

    PDX

    2.3h

    23:40

    LAS

    S--WT-S
    Search

  21. F91650

    Frontier Airlines

    00:59

    LAS

    2.8h

    05:47

    DFW

    SMTWTFS

  22. AA1362

    American Airlines

    08:40

    DFW

    1.9h

    10:33

    STL

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Portland to St. Louis?

Explore the best time to buy affordable tickets to St. Louis with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

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

Frequently Asked Questions

  • 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 date and time of your booking. By analyzing data from all airlines, 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 AED 1,140.

  • How long does it take to fly from Portland (PDX) to St. Louis (STL)?

    It takes about 6 hours 35 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, by taxi about 40 minutes.

  • 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.

  • What's the most popular airline for non-stop flights from Portland (PDX) to St. Louis (STL)?

    Southwest Airlines operates 1 non-stop flights from Portland (PDX) to St. Louis (STL).

  • How many airports are there in St. Louis (STL)?

    There are 1 airport(s) near St. Louis (STL): St. Louis Lambert International Airport.

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

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 Info | Portland to St. Louis

Cheapest direct flight priceAED 173
Cheapest return ticket priceAED 1,248
Off-season for travelJanuary
Peak season for travelMay
Flight distance2,763.15 km
Average flight time6 hours 35 minutes
Popular airlineUnited Airlines

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