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

$95 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Alaska Airlines, with prices starting from $112 and $113, respectively.

How far in advance should I book a flight from Oregon to Missouri?

To save on the cost of your flight from Oregon to Missouri, book at least 43 days before your planned departure. Booking around this time can save you about 25% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $304 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $304.

What is the cheapest month to fly from Oregon to Missouri?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, November can be a great choice for travel to Missouri. Flights to Missouri from Oregon in November are about $363 on average during November, but can be found for as low as $169.

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.

$95+ Flights from Oregon to Missouri

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Cheap flight deals from Oregon to Missouri

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$227 (Delta)
One-way from	$95 (Frontier)
Popular in	April
Cheapest in	November
Average price	$386
Good round-trip deal	$472 or less
Good one-way deal	$203 or less

Provider with most accurate pricing for Portland-Kansas City flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Kansas City flights.

Search Deals

From Oregon to Missouri

Search Deals

One-way flight from Oregon to Missouri

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Oregon to Missouri.

Search Deals

Price to beat on a one-way flight from Oregon to Missouri.

Search Deals

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 April 22, 2025.

Tue 5/275:00 pmPDX - STL

1 stop5h 33mDelta

Tue 6/37:19 pmSTL - PDX

1 stop6h 24mDelta

Deal found 4/22

$227

Tue 6/35:20 amPDX - STL

2 stops10h 25mSouthwest

Thu 6/56:15 pmSTL - PDX

1 stop8h 10mSouthwest

Deal found 4/22

$232

Fri 6/66:35 amPDX - STL

1 stop25h 33mFrontier

Mon 6/97:24 pmSTL - PDX

1 stop6h 55mFrontier

Deal found 4/22

$240

Tue 6/1010:55 amPDX - STL

1 stop7h 53mUnited Airlines

Fri 6/135:00 amSTL - PDX

1 stop6h 42mUnited Airlines

Deal found 4/22

$258

Wed 6/45:10 pmBOI - MCI

1 stop5h 35mAmerican Airlines

Sat 6/76:18 amMCI - BOI

1 stop7h 26mAmerican Airlines

Deal found 4/22

$267

Wed 5/143:24 pmPDX - STL

1 stop6h 27mAmerican Airlines

Wed 5/286:00 amSTL - PDX

1 stop6h 24mAmerican Airlines

Deal found 4/22

$267

Sat 5/104:00 pmPDX - STL

1 stop5h 59mMultiple Airlines

Sat 5/247:55 pmSTL - PDX

1 stop6h 22mMultiple Airlines

Deal found 4/22

$268

Wed 10/291:17 pmBOI - SGF

1 stop6h 51mAmerican Airlines

Tue 11/42:19 pmSGF - BOI

1 stop7h 59mAmerican Airlines

Deal found 4/22

$269

Sat 8/161:06 pmEUG - SGF

1 stop8h 38mUnited Airlines

Fri 8/229:10 amSGF - EUG

1 stop5h 45mUnited Airlines

Deal found 4/22

$270

Wed 9/35:45 pmBOI - MCI

1 stop5h 35mDelta

Sun 9/76:20 pmMCI - BOI

1 stop6h 52mDelta

Deal found 4/22

$276

Thu 8/710:55 pmPDX - SGF

1 stop9h 53mUnited Airlines

Sat 8/95:45 amSGF - PDX

1 stop5h 47mUnited Airlines

Deal found 4/22

$286

Wed 6/1811:40 pmBOI - STL

1 stop9h 03mDelta

Tue 6/246:30 amSTL - BOI

1 stop8h 23mDelta

Deal found 4/22

$287

Best flights from Oregon to Missouri
Discover carefully curated flight deals from Oregon to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Tue 5/275:00 pmPDX - STL

1 stop5h 33mDelta

Tue 6/37:19 pmSTL - PDX

1 stop6h 24mDelta

Deal found 4/22

$227

Tue 6/35:20 amPDX - STL

2 stops10h 25mSouthwest

Thu 6/56:15 pmSTL - PDX

1 stop8h 10mSouthwest

Deal found 4/22

$232

Fri 6/66:35 amPDX - STL

1 stop25h 33mFrontier

Mon 6/97:24 pmSTL - PDX

1 stop6h 55mFrontier

Deal found 4/22

$240

Tue 6/1010:55 amPDX - STL

1 stop7h 53mUnited Airlines

Fri 6/135:00 amSTL - PDX

1 stop6h 42mUnited Airlines

Deal found 4/22

$258

Wed 6/45:10 pmBOI - MCI

1 stop5h 35mAmerican Airlines

Sat 6/76:18 amMCI - BOI

1 stop7h 26mAmerican Airlines

Deal found 4/22

$267

Sat 5/104:00 pmPDX - STL

1 stop5h 59mMultiple Airlines

Sat 5/247:55 pmSTL - PDX

1 stop6h 22mMultiple Airlines

Deal found 4/22

$268

Sun 5/185:40 pmPDX - MCI

3 stops18h 10mSpirit Airlines

Wed 5/216:45 pmMCI - PDX

1 stop19h 57mSpirit Airlines

Deal found 4/21

$314

Wed 8/2010:30 amPDX - MCI

Nonstop3h 31mHawaiian Airlines

Sun 8/314:55 pmMCI - PDX

Nonstop3h 51mHawaiian Airlines

Deal found 4/22

$327

Wed 5/2110:31 pmPDX - SGF

1 stop8h 16mAlaska Airlines

Fri 5/3012:09 pmSGF - PDX

1 stop8h 51mAlaska Airlines

Deal found 4/21

$360

Wed 5/143:24 pmPDX - STL

1 stop6h 27mAmerican Airlines

Wed 5/286:00 amSTL - PDX

1 stop6h 24mAmerican Airlines

Deal found 4/22

$267

Sat 8/161:06 pmEUG - SGF

1 stop8h 38mUnited Airlines

Fri 8/229:10 amSGF - EUG

1 stop5h 45mUnited Airlines

Deal found 4/22

$270

Wed 9/35:45 pmBOI - MCI

1 stop5h 35mDelta

Sun 9/76:20 pmMCI - BOI

1 stop6h 52mDelta

Deal found 4/22

$276

Last-minute flights from Oregon to Missouri
Discover last-minute flight deals from Oregon to Missouri. Data last updated April 22, 2025 and is based on user searches.

Fri 4/256:20 amPDX - STL

1 stop25h 41mFrontier

Sun 4/279:55 pmSTL - PDX

1 stop13h 17mFrontier

Deal found 4/21

$241

Mon 4/286:20 amPDX - MCI

1 stop11h 30mFrontier

Fri 5/28:41 pmMCI - PDX

1 stop5h 57mFrontier

Deal found 4/21

$330

Mon 4/286:00 amPDX - MCI

1 stop6h 44mUnited Airlines

Fri 5/26:00 amMCI - PDX

2 stops8h 39mUnited Airlines

Deal found 4/21

$350

Mon 4/289:47 amPDX - MCI

Nonstop3h 32mMultiple Airlines

Fri 5/28:41 pmMCI - PDX

1 stop5h 57mMultiple Airlines

Deal found 4/21

$423

Tue 4/298:45 pmPDX - STL

1 stop15h 23mAlaska Airlines

Tue 5/66:30 amSTL - PDX

1 stop6h 22mAlaska Airlines

Deal found 4/22

$344

Tue 4/2912:59 amPDX - STL

1 stop7h 31mDelta

Mon 5/57:15 pmSTL - PDX

1 stop6h 29mDelta

Deal found 4/21

$345

Tue 4/295:10 amPDX - STL

2 stops10h 40mSouthwest

Tue 5/65:25 pmSTL - PDX

1 stop8h 00mSouthwest

Deal found 4/22

$376

Tue 4/295:00 amPDX - STL

2 stops8h 47mUnited Airlines

Wed 5/74:45 pmSTL - PDX

2 stops9h 46mUnited Airlines

Deal found 4/22

$445

Wed 4/301:15 pmPDX - STL

1 stop8h 44mMultiple Airlines

Mon 5/56:53 pmSTL - PDX

1 stop7h 45mMultiple Airlines

Deal found 4/21

$315

Thu 5/16:20 amPDX - STL

1 stop6h 47mFrontier

Thu 5/159:55 pmSTL - PDX

1 stop19h 47mFrontier

Deal found 4/22

$241

Thu 5/15:26 pmPDX - MCI

1 stop4h 48mDelta

Sun 5/46:40 amMCI - PDX

1 stop6h 00mDelta

Deal found 4/22

$345

Fri 5/21:57 pmPDX - SGF

1 stop7h 57mAmerican Airlines

Tue 5/64:28 pmSGF - PDX

1 stop8h 11mAmerican Airlines

Deal found 4/21

$379

One-way flights from Oregon to Missouri
Search for one-way flight options from Oregon to Missouri. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Wed 5/286:35 amPDX - MCI

1 stop10h 17mFrontier

Deal found 4/22

$95

Tue 4/296:20 amPDX - STL

1 stop25h 41mFrontier

Deal found 4/22

$95

Tue 6/105:40 pmPDX - MCI

1 stop22h 05mSpirit Airlines

Deal found 4/22

$112

Thu 10/21:24 pmPDX - STL

1 stop8h 35mAlaska Airlines

Deal found 4/22

$113

Fri 7/2510:55 pmPDX - STL

1 stop8h 34mDelta

Deal found 4/22

$114

Tue 5/1311:59 pmPDX - SGF

1 stop6h 48mAmerican Airlines

Deal found 4/22

$126

Tue 5/1310:00 amPDX - SGF

2 stops11h 30mUnited Airlines

Deal found 4/22

$131

Tue 5/205:40 pmBOI - MCI

1 stop5h 40mDelta

Deal found 4/22

$134

Mon 6/3012:09 amPDX - MCI

1 stop10h 35mAmerican Airlines

Deal found 4/22

$135

Tue 5/2011:11 amPDX - MCI

Nonstop3h 29mAlaska Airlines

Deal found 4/22

$139

Wed 7/23:20 pmPDX - STL

1 stop6h 35mSouthwest

Deal found 4/22

$140

Thu 5/156:30 pmPDX - STL

1 stop15h 07mSun Country Air

Deal found 4/21

$143

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oregon to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Tue 5/27

5:00 pm-12:33 am

1 stop5h 33m

Lambert-St Louis

Tue 6/3

7:19 pm-11:43 pm

1 stop6h 24m

$227

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Tue 6/3

5:20 am-5:45 pm

2 stops10h 25m

Lambert-St Louis

Thu 6/5

6:15 pm-12:25 am

1 stop8h 10m

$232

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Fri 6/6

6:35 am-10:08 am

1 stop25h 33m

Lambert-St Louis

Mon 6/9

7:24 pm-12:19 am

1 stop6h 55m

$240

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Tue 6/10

10:55 am-8:48 pm

1 stop7h 53m

Lambert-St Louis

Fri 6/13

5:00 am-9:42 am

1 stop6h 42m

$258

BoiseKansas City

BOI - MCI

BOIMCI

Boise Air Term. Gowen Fld

Wed 6/4

5:10 pm-11:45 pm

1 stop5h 35m

Kansas City

Sat 6/7

6:18 am-12:44 pm

1 stop7h 26m

$267

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 5/14

3:24 pm-11:51 pm

1 stop6h 27m

Lambert-St Louis

Wed 5/28

6:00 am-10:24 am

1 stop6h 24m

$267

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Sat 5/10

4:00 pm-11:59 pm

1 stop5h 59m

Lambert-St Louis

Sat 5/24

7:55 pm-12:17 am

1 stop6h 22m

$268

EugeneSpringfield

EUG - SGF

EUGSGF

Eugene

Sat 8/16

1:06 pm-11:44 pm

1 stop8h 38m

Springfield-Branson

Fri 8/22

9:10 am-12:55 pm

1 stop5h 45m

$270

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

Thu 8/7

10:55 pm-10:48 am

1 stop9h 53m

Springfield-Branson

Sat 8/9

5:45 am-9:32 am

1 stop5h 47m

$286

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

Wed 6/18

11:40 pm-9:43 am

1 stop9h 03m

Lambert-St Louis

Tue 6/24

6:30 am-1:53 pm

1 stop8h 23m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results

...

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?

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

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

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

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

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,906 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,392 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines to fly from Oregon to Missouri one-way?
$95 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Alaska Airlines, with prices starting from $112 and $113, 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Missouri car rentals

Lambert-St Louis Airport car rentals

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Top 8 airlines flying from Oregon to Missouri

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$110	Average$181	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$127	Average$190	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$183	Average$431	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$198	Average$497	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$226	Average$557	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$228	Average$513	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$252	Average$464	FlexibilityNo cancel fee	On-time63%
Hawaiian Airlines	Cheapest$298	Average$447	FlexibilityNo cancel fee	On-time85%

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$95+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oregon to Missouri with Cheapflights

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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 April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Oregon to Missouri

Cheapest flights from Oregon to MissouriExplore 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 April 22, 2025.

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 April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oregon to Missouri that are best for you.

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.

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?

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 April 22, 2025.

Rainfall in Missouri by month

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

Temperature in Missouri by month

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

Reviews of airlines servicing Missouri

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.

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?

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

How can I find direct flights from Oregon to Missouri?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oregon to Missouri

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

Top 8 airlines flying from Oregon to Missouri

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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 April 22, 2025.