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Missouri

$90+ Cheap flights from Oregon to Missouri

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Oregon to Missouri

Keep the following information in mind while searching for Oregon to Missouri flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(United Airlines)

One-way from

$90
(Mytrip)

Popular in

March

Cheapest in

November

Average price

$436

Good round-trip deal

$442 or less

Good one-way deal

$163 or less
Provider with most accurate pricing for Portland-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Portland-Kansas City flights.
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From Oregon to Missouri
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One-way flight from Oregon to Missouri
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Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Oregon to Missouri.
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Price to beat on a one-way flight from Oregon to Missouri.
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Find flight deals from Oregon to Missouri

Cheapest flights from Oregon to Missouri
Explore the most affordable flight options available from Oregon to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 5/56:00 amPDX - STL
1 stop9h 07mUnited Airlines
Tue 5/68:48 amSTL - PDX
1 stop6h 24mUnited Airlines
Deal found 3/31$227
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/2911:59 pmPDX - SGF
1 stop6h 41mAmerican Airlines
Tue 5/65:27 amSGF - PDX
1 stop7h 22mAmerican Airlines
Deal found 3/30$229
This CheapOair deal was found by Cheapflights users on 3/30. 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.
Sun 4/276:20 amPDX - STL
1 stop25h 41mFrontier
Fri 5/26:53 pmSTL - PDX
1 stop7h 45mFrontier
Deal found 3/30$240
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Mon 4/1410:25 amPDX - SGF
1 stop8h 44mMultiple Airlines
Fri 4/189:59 pmSGF - PDX
1 stop17h 38mMultiple Airlines
Deal found 3/29$241
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 5/15:26 pmPDX - STL
1 stop5h 16mDelta
Wed 5/77:19 pmSTL - PDX
1 stop6h 23mDelta
Deal found 3/31$247
This Southwest deal was found by Cheapflights users on 3/31. 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.
Wed 4/303:00 pmPDX - STL
1 stop6h 35mSouthwest
Sun 5/47:30 pmSTL - PDX
1 stop7h 05mSouthwest
Deal found 3/31$253
This CheapOair deal was found by Cheapflights users on 3/30. 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.
Tue 5/202:27 pmBOI - STL
1 stop18h 32mFrontier
Wed 5/287:55 pmSTL - BOI
1 stop16h 56mFrontier
Deal found 3/30$266
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 4/2511:59 pmPDX - STL
1 stop7h 02mAmerican Airlines
Tue 4/2911:06 amSTL - PDX
1 stop9h 37mAmerican Airlines
Deal found 3/30$267
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:40 amPDX - MCI
1 stop10h 57mFrontier
Sat 4/198:37 pmMCI - PDX
1 stop6h 00mFrontier
Deal found 3/30$268
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 4/294:40 pmBOI - STL
1 stop5h 55mSouthwest
Tue 5/65:55 amSTL - BOI
1 stop5h 20mSouthwest
Deal found 3/30$270
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Thu 4/2410:25 amPDX - MCI
1 stop24h 34mSpirit Airlines
Mon 4/284:59 pmMCI - PDX
2 stops27h 06mSpirit Airlines
Deal found 3/30$271
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/291:51 pmBOI - MCI
1 stop8h 45mAmerican Airlines
Tue 5/67:11 amMCI - BOI
1 stop6h 34mAmerican Airlines
Deal found 3/30$277

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon to Missouri 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 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Oregon to Missouri that are best for you.

Fly from

Oregon

Fly to

Missouri

Route

Depart

Return

Price

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Mon 5/5

6:00 am-5:07 pm

1 stop9h 07m

Lambert-St Louis

Tue 5/6

8:48 am-1:12 pm

1 stop6h 24m

$227

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Tue 4/29

11:59 pm-8:40 am

1 stop6h 41m

Springfield-Branson

Tue 5/6

5:27 am-10:49 am

1 stop7h 22m

$229

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Sun 4/27

6:20 am-10:01 am

1 stop25h 41m

Lambert-St Louis

Fri 5/2

6:53 pm-12:38 am

1 stop7h 45m

$240

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Mon 4/14

10:25 am-9:09 pm

1 stop8h 44m

Springfield-Branson

Fri 4/18

9:59 pm-1:37 pm

1 stop17h 38m

$241

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 5/1

5:26 pm-12:42 am

1 stop5h 16m

Lambert-St Louis

Wed 5/7

7:19 pm-11:42 pm

1 stop6h 23m

$247

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 4/30

3:00 pm-11:35 pm

1 stop6h 35m

Lambert-St Louis

Sun 5/4

7:30 pm-12:35 am

1 stop7h 05m

$253

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 5/20

2:27 pm-9:59 am

1 stop18h 32m

Lambert-St Louis

Wed 5/28

7:55 pm-11:51 am

1 stop16h 56m

$266

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Fri 4/25

11:59 pm-9:01 am

1 stop7h 02m

Lambert-St Louis

Tue 4/29

11:06 am-6:43 pm

1 stop9h 37m

$267

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 4/12

6:40 am-7:37 pm

1 stop10h 57m

Kansas City

Sat 4/19

8:37 pm-12:37 am

1 stop6h 00m

$268

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Tue 4/29

4:40 pm-11:35 pm

1 stop5h 55m

Lambert-St Louis

Tue 5/6

5:55 am-10:15 am

1 stop5h 20m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
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Best time to book a flight from Oregon to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Missouri

What is the cheapest month to book a flight from Oregon to Missouri?

Currently, August is the cheapest month in which you can book a flight from Oregon to Missouri (average of $311). Flying from Oregon to Missouri in March is currently the most expensive (average of $356). 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 MO?

Find hourly flight availability from Oregon to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated March 31, 2025.
To help decide which airline to fly from Oregon to Missouri, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Oregon to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Oregon to Missouri one-way?

    $90 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $102 and $109, respectively.

  • Can I find deals for flights from Oregon to Missouri that include hotel bookings?

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

  • How can I find direct flights from Oregon to Missouri?

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

  • Can I find deals for business class flights from Oregon to Missouri?

    Yes. Cheapflights offers flight deals from Oregon to Missouri 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 Missouri?

    Currently, August is the cheapest month in which you can book a flight from Oregon to Missouri (average of $311). Flying from Oregon to Missouri in March is currently the most expensive (average of $356). 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

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Alternative routes for Oregon to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Oregon to Missouri

Discover the top 8 airlines that operate flights from Oregon to Missouri. 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$190FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$127Average$186FlexibilityNo cancel feeOn-time65%
DeltaCheapest$186Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$506FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$228Average$516FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$245Average$566FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$252Average$484FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$298Average$367FlexibilityNo cancel feeOn-time85%
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