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$85 Find cheap flights from Oregon to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 6/3
Mon 6/10

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In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$85
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Portland to St. Louis

FAQs for booking flights from Oregon to St. Louis

  • How does KAYAK find such low prices on flights from Oregon to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oregon to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Oregon to St. Louis?

Find which airlines fly direct from Oregon to Lambert-St Louis, which days they fly and book direct flights.

Nonstop departures

Oregon to Lambert-St Louis

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights

Nonstop returns

Lambert-St Louis to Oregon

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights
See more direct flights

Book cheap flights from Oregon to St. Louis

Recent round-trip flight deals

5/14Tue
1 stopFrontier
6h 48mPDX-STL
5/18Sat
1 stopFrontier
15h 07mSTL-PDX
$172
5/12Sun
1 stopFrontier
6h 48mPDX-STL
5/31Fri
1 stopFrontier
28h 58mSTL-PDX
$173
6/1Sat
1 stop
19h 59mPDX-STL
6/3Mon
1 stop
21h 00mSTL-PDX
$181
5/24Fri
1 stop
6h 37mPDX-STL
5/29Wed
1 stop
14h 31mSTL-PDX
$185
5/25Sat
3 stopsSpirit Airlines
26h 24mPDX-STL
5/29Wed
1 stopSpirit Airlines
14h 31mSTL-PDX
$200
5/30Thu
1 stopSpirit Airlines
25h 14mPDX-STL
6/4Tue
3 stopsSpirit Airlines
26h 19mSTL-PDX
$208
5/29Wed
1 stopDelta
5h 25mPDX-STL
6/3Mon
1 stopDelta
6h 52mSTL-PDX
$280
5/7Tue
1 stopAmerican Airlines
9h 58mPDX-STL
5/10Fri
1 stopAmerican Airlines
8h 44mSTL-PDX
$283
5/8Wed
1 stopAmerican Airlines
7h 25mPDX-STL
5/10Fri
1 stopAmerican Airlines
8h 44mSTL-PDX
$284
8/27Tue
2 stopsDelta
20h 10mEUG-STL
9/4Wed
1 stopDelta
6h 49mSTL-EUG
$356

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/31Fri
1 stopSpirit Airlines
7h 14mPDX-STL
$85
5/26Sun
1 stopFrontier
9h 19mPDX-STL
$89
6/7Fri
1 stopFrontier
6h 40mPDX-STL
$90
5/30Thu
2 stops
22h 28mPDX-STL
$134
7/28Sun
1 stopSun Country Air
14h 23mPDX-STL
$138
5/29Wed
1 stopDelta
5h 25mPDX-STL
$140
5/30Thu
3 stops
27h 14mRDM-STL
$149
9/5Thu
1 stopAmerican Airlines
7h 27mEUG-STL
$160
5/29Wed
1 stopAmerican Airlines
7h 59mRDM-STL
$164
6/4Tue
2 stopsDelta
11h 54mRDM-STL
$171

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to St. Louis

Last minute flight, train and bus deals

5/6Mon
multi-stopFrontier
12h 51mPDX-STL
5/11Sat
multi-stopFrontier
15h 24mSTL-PDX
$245
5/6Mon
multi-stopFrontier
12h 51mPDX-STL
5/10Fri
multi-stopFrontier
15h 29mSTL-PDX
$249
5/7Tue
multi-stopAmerican Airlines
9h 58mPDX-STL
5/10Fri
multi-stopAmerican Airlines
8h 44mSTL-PDX
$283
5/8Wed
multi-stopAmerican Airlines
7h 25mPDX-STL
5/10Fri
multi-stopAmerican Airlines
8h 44mSTL-PDX
$284
5/7Tue
multi-stopAlaska Airlines
6h 23mPDX-STL
5/11Sat
multi-stopAlaska Airlines
8h 07mSTL-PDX
$286
5/7Tue
multi-stopAlaska Airlines
6h 23mPDX-STL
5/8Wed
multi-stopAlaska Airlines
5h 55mSTL-PDX
$292
5/5Sun
multi-stop
6h 23mPDX-STL
5/8Wed
multi-stop
13h 12mSTL-PDX
$316
5/7Tue
multi-stopSpirit Airlines
16h 49mPDX-STL
5/11Sat
multi-stopSpirit Airlines
12h 51mSTL-PDX
$345
5/7Tue
multi-stop
16h 49mPDX-STL
5/10Fri
multi-stop
27h 35mSTL-PDX
$374
5/7Tue
multi-stopSpirit Airlines
16h 49mPDX-STL
5/11Sat
multi-stopSpirit Airlines
31h 15mSTL-PDX
$413

Search by stops

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Search by price

Flights to St. Louis

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Oregon

Cabin classes: