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$74+ Cheap flights from Missouri to Oregon

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Missouri to Oregon

Keep the following information in mind while searching for Missouri to Oregon flight deals. Data was last updated August 20, 2025.

Round-trip from

$152
(Priceline)

One-way from

$74
(Priceline)

Popular in

May

Cheapest in

February

Average price

$344

Good round-trip deal

$229 or less

Good one-way deal

$108 or less
From Missouri to Oregon
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One-way flight from Missouri to Oregon
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Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Missouri to Oregon.
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Price to beat on a one-way flight from Missouri to Oregon.
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Find flight deals from Missouri to Oregon

Cheapest flights from Missouri to Oregon
Explore the most affordable flight options available from Missouri to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Priceline deal was found by Cheapflights users on 8/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:55 pmSTL - PDX
1 stop6h 17mFrontier
Mon 9/811:23 amPDX - STL
1 stop7h 21mFrontier
Deal found 8/18$152
This CheapOair deal was found by Cheapflights users on 8/18. 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 11/68:28 pmMCI - PDX
1 stop17h 28mFrontier
Sun 11/93:26 pmPDX - MCI
1 stop26h 07mFrontier
Deal found 8/18$162
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:01 pmMCI - PDX
1 stop11h 11mFrontier
Mon 9/156:05 amPDX - MCI
1 stop5h 43mFrontier
Deal found 8/18$165
This CheapOair deal was found by Cheapflights users on 8/18. 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 10/168:38 pmMCI - PDX
1 stop17h 10mFrontier
Mon 10/2012:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 8/18$166
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:55 pmSTL - PDX
1 stop6h 17mFrontier
Fri 9/126:05 amPDX - STL
1 stop25h 01mFrontier
Deal found 8/19$168
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:02 pmMCI - PDX
1 stop18h 46mFrontier
Mon 10/2012:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 8/20$168
This CheapOair deal was found by Cheapflights users on 8/18. 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 9/43:01 pmMCI - PDX
1 stop11h 11mFrontier
Sun 9/76:05 amPDX - MCI
1 stop5h 43mFrontier
Deal found 8/18$169
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:55 pmSTL - BOI
1 stop16h 42mFrontier
Thu 9/1112:22 pmBOI - STL
1 stop19h 44mFrontier
Deal found 8/19$171
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 pmSTL - PDX
1 stop28h 39mFrontier
Thu 9/186:05 amPDX - STL
1 stop25h 01mFrontier
Deal found 8/18$174
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:55 pmMCI - PDX
1 stop6h 41mMultiple Airlines
Mon 10/2012:43 pmPDX - MCI
1 stop5h 10mMultiple Airlines
Deal found 8/18$174
This CheapOair deal was found by Cheapflights users on 8/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:02 pmMCI - PDX
1 stop18h 36mFrontier
Mon 10/2012:43 pmPDX - MCI
1 stop5h 10mFrontier
Deal found 8/20$176
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:53 amMCI - PDX
1 stop10h 43mMultiple Airlines
Tue 10/2112:43 pmPDX - MCI
1 stop27h 12mMultiple Airlines
Deal found 8/20$180

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Oregon 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 August 20, 2025.
Use the filters below to find and compare flights from Missouri to Oregon that are best for you.

Fly from

Missouri

Fly to

Oregon

Route

Depart

Return

Price

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 9/5

7:55 pm-12:12 am

1 stop6h 17m

Portland

Mon 9/8

11:23 am-8:44 pm

1 stop7h 21m

$152

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 11/6

8:28 pm-11:56 am

1 stop17h 28m

Portland

Sun 11/9

3:26 pm-7:33 pm

1 stop26h 07m

$162

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 9/11

3:01 pm-12:12 am

1 stop11h 11m

Portland

Mon 9/15

6:05 am-1:48 pm

1 stop5h 43m

$165

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Thu 10/16

8:38 pm-11:48 am

1 stop17h 10m

Portland

Mon 10/20

12:43 pm-7:53 pm

1 stop5h 10m

$166

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 9/8

7:55 pm-12:12 am

1 stop6h 17m

Portland

Fri 9/12

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 10/22

7:52 pm-11:38 am

1 stop17h 46m

Portland

Sun 10/26

11:36 am-11:43 am

1 stop22h 07m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 9/19

7:55 pm-12:12 am

1 stop6h 17m

Portland

Fri 9/26

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 9/29

7:55 pm-12:12 am

1 stop6h 17m

Portland

Mon 10/6

6:05 am-9:07 am

1 stop25h 02m

$168

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 10/8

2:55 pm-7:36 pm

1 stop6h 41m

Portland

Mon 10/20

12:43 pm-7:53 pm

1 stop5h 10m

$174

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Thu 11/6

7:00 am-11:53 am

1 stop5h 53m

Boise Air Term. Gowen Fld

Sat 11/8

12:48 pm-12:40 am

1 stop10h 52m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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

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

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

Currently, November is the cheapest month in which you can book a flight from Missouri to Oregon (average of $277). Flying from Missouri to Oregon in March is currently the most expensive (average of $368). 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 MO to OR?

Find hourly flight availability from Missouri to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from Missouri to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated August 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Missouri to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

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

  • How popular is this Missouri to Oregon flight route?

    Flights from Missouri to Oregon have been viewed 1 times in the past calendar month.

  • How long is the flight from Missouri to Oregon?

    Departing from Missouri to Oregon will take you 5h 53m. Airlines will cover a distance of 1148 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. Spirit Airlines flights start at $106 while deals on Alaska Airlines start at $134 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Missouri to Oregon (average of $277). Flying from Missouri to Oregon in March is currently the most expensive (average of $368). 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 Missouri to Oregon

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

Discover the top 8 airlines that operate flights from Missouri to Oregon. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$168Average$257FlexibilityNo cancel feeOn-time65%
DeltaCheapest$168Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$204Average$464FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$207Average$453FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$208Average$525FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$226Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$234Average$465FlexibilityNo cancel feeOn-time75%

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