St. Louis

$65+ Cheap flights from Oregon to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Nov 26 — Dec 31
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Cheap flight deals from Oregon to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Oregon (USOR) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Oregon to St. Louis

Cheapest flights from Oregon to St. Louis
Explore the most affordable flight options available from Oregon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:03 pmPDX - STL
1 stop18h 10mFrontier
Fri 1/36:49 pmSTL - PDX
1 stop22h 55mFrontier
Deal found 11/21$258
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/112:00 pmBOI - STL
2 stops9h 57mDelta
Sat 12/147:20 amSTL - BOI
1 stop5h 50mDelta
Deal found 11/20$325
This Delta deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:06 pmPDX - STL
1 stop8h 20mDelta
Sat 12/146:00 amSTL - PDX
1 stop8h 58mDelta
Deal found 11/21$330
This United deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:40 amPDX - STL
1 stop8h 16mUnited Airlines
Wed 1/16:00 amSTL - PDX
1 stop8h 22mUnited Airlines
Deal found 11/21$342
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:03 amBOI - STL
1 stop8h 37mAmerican Airlines
Tue 1/71:40 pmSTL - BOI
1 stop9h 12mAmerican Airlines
Deal found 11/21$353
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/125:35 amPDX - STL
1 stop8h 59mAmerican Airlines
Tue 12/315:21 amSTL - PDX
1 stop7h 49mAmerican Airlines
Deal found 11/21$357
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:27 amRDM - STL
1 stop27h 00mAlaska Airlines
Fri 1/37:00 amSTL - RDM
1 stop7h 33mAlaska Airlines
Deal found 11/20$384
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:40 amBOI - STL
1 stop5h 03mUnited Airlines
Tue 12/311:44 pmSTL - BOI
1 stop7h 24mUnited Airlines
Deal found 11/19$391
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:44 pmRDM - STL
1 stop6h 50mDelta
Wed 1/16:29 amSTL - RDM
2 stops14h 44mDelta
Deal found 11/20$401
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:16 pmPDX - STL
3 stops19h 29mMultiple Airlines
Sat 12/144:26 pmSTL - PDX
3 stops27h 32mMultiple Airlines
Deal found 11/21$407
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/154:55 pmBOI - STL
1 stop6h 30mSouthwest
Tue 12/312:40 pmSTL - BOI
2 stops9h 20mSouthwest
Deal found 11/19$425
This Alaska Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:51 pmPDX - STL
1 stop8h 08mAlaska Airlines
Mon 12/92:20 pmSTL - PDX
1 stop8h 35mAlaska Airlines
Deal found 11/21$462

Find flights from Oregon to St. Louis within your budget

Customize your flight search to find flights from Oregon to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Tue 2/18

7:35 am-4:33 pm

1 stop6h 58m

Lambert-St Louis

Mon 2/24

5:10 am-1:14 pm

1 stop10h 04m

$212

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 1/29

9:00 am-6:09 pm

1 stop7h 09m

Lambert-St Louis

Sat 2/1

11:30 am-9:00 pm

2 stops11h 30m

$213

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 1/29

7:35 pm-9:36 am

2 stops12h 01m

Lambert-St Louis

Sat 2/1

6:30 am-6:54 pm

2 stops14h 24m

$253

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 12/12

12:03 pm-8:13 am

1 stop18h 10m

Lambert-St Louis

Fri 1/3

6:49 pm-3:44 pm

1 stop22h 55m

$258

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 3/6

7:35 pm-2:25 pm

1 stop16h 50m

Lambert-St Louis

Sun 3/9

7:00 am-12:33 pm

1 stop7h 33m

$278

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 1/10

11:35 am-9:33 pm

2 stops7h 58m

Lambert-St Louis

Sun 1/12

6:30 am-4:55 pm

2 stops12h 25m

$289

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 12/11

2:00 pm-12:57 am

2 stops9h 57m

Lambert-St Louis

Sat 12/14

7:20 am-12:10 pm

1 stop5h 50m

$325

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 1/10

3:00 pm-11:57 pm

1 stop6h 57m

Lambert-St Louis

Sun 1/12

2:27 pm-7:39 pm

1 stop7h 12m

$326

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 12/31

7:03 am-4:40 pm

1 stop8h 37m

Lambert-St Louis

Tue 1/7

1:40 pm-9:52 pm

1 stop9h 12m

$353

RedmondSt. Louis

RDM - STL

RDMSTL

Bend/Redmond

Mon 12/30

8:27 am-1:27 pm

1 stop27h 00m

Lambert-St Louis

Fri 1/3

7:00 am-12:33 pm

1 stop7h 33m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 50 results
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Best time to book a flight from Oregon to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Oregon to St. Louis

Get recent, data-driven insights about flights from Oregon to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Oregon to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Oregon to St. Louis (average of $308). Flying from Oregon to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to STL?

Find hourly flight availability from Oregon to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to St. Louis as you normally would.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Oregon to St. Louis, such as American Airlines, United Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,005 reviews
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,464 reviews
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,755 reviews
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,172 reviews
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.2
Good
10,000 reviews
8.1
Very good
5,005 reviews

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Oregon to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Oregon?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Oregon.

  • What are the cheapest airlines to fly from Oregon to St. Louis one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $65. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Oregon to St. Louis for a low price.

  • What are the most popular routes from Oregon to St. Louis?

  • Can I find deals for flights from Oregon to St. Louis that include hotel bookings?

    Yes. In addition to deals on Oregon to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to St. Louis.

  • Can I find deals for business class flights from Oregon to St. Louis?

    Yes. Cheapflights offers flight deals from Oregon to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Oregon to St. Louis (average of $308). Flying from Oregon to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Oregon to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Oregon to St. Louis

Discover the top 6 airlines that operate flights from Oregon to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$209FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$451FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$416FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$225Average$507FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$287Average$525FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$347Average$514FlexibilityNo cancel feeOn-time63%
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