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$68+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Southwest deal was found by Cheapflights users on 12/11. 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 12/174:15 pmMCI - PDX
1 stop7h 45mSouthwest
Wed 1/2111:25 amPDX - MCI
1 stop8h 50mSouthwest
Deal found 12/11$262
This Southwest deal was found by Cheapflights users on 12/10. 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.
Fri 12/198:10 pmMCI - PDX
1 stop6h 20mSouthwest
Sun 1/49:00 pmPDX - MCI
1 stop9h 45mSouthwest
Deal found 12/10$277
This Southwest deal was found by Cheapflights users on 12/10. 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 12/315:50 amMCI - PDX
1 stop7h 00mSouthwest
Mon 1/55:30 amPDX - MCI
1 stop5h 50mSouthwest
Deal found 12/10$288
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/314:40 pmMCI - PDX
1 stop8h 19mUnited Airlines
Thu 1/15:00 amPDX - MCI
1 stop6h 02mUnited Airlines
Deal found 12/10$290
This Delta deal was found by Cheapflights users on 12/10. 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 12/254:05 pmMCI - PDX
1 stop8h 19mDelta
Mon 12/296:15 amPDX - MCI
1 stop6h 34mDelta
Deal found 12/10$294
This Southwest deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:00 amSTL - PDX
1 stop8h 25mSouthwest
Thu 1/12:05 pmPDX - STL
1 stop7h 05mSouthwest
Deal found 12/11$344
This Southwest deal was found by Cheapflights users on 12/10. 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 12/244:15 pmMCI - PDX
1 stop7h 45mSouthwest
Sat 12/278:45 pmPDX - MCI
1 stop12h 45mSouthwest
Deal found 12/10$349
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/171:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Wed 1/219:30 pmPDX - MCI
1 stop14h 20mAlaska Airlines
Deal found 12/11$352
This Southwest deal was found by Cheapflights users on 12/11. 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.
Sat 12/208:30 pmMCI - PDX
1 stop6h 35mSouthwest
Sat 12/278:45 pmPDX - MCI
1 stop12h 45mSouthwest
Deal found 12/11$353
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/314:40 pmMCI - PDX
1 stop8h 19mUnited Airlines
Sat 1/32:45 pmPDX - MCI
1 stop6h 28mUnited Airlines
Deal found 12/10$360
This Southwest deal was found by Cheapflights users on 12/10. 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 12/238:10 pmMCI - PDX
1 stop6h 20mSouthwest
Sat 12/278:45 pmPDX - MCI
1 stop12h 45mSouthwest
Deal found 12/10$363
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:45 pmMCI - BOI
1 stop16h 14mFrontier
Mon 1/2612:07 pmBOI - MCI
1 stop6h 44mFrontier
Deal found 12/10$369

Find flight deals from Missouri to Oregon

Keep the following information in mind while searching for Missouri to Oregon flight deals. Data was last updated December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$128
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$382

Good round-trip deal

$237 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
Search Deals
From Missouri to Oregon
Search Deals
One-way flight from Missouri to Oregon
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Oregon.
Search Deals
Price to beat on a one-way flight from Missouri to Oregon.
Search Deals

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 December 12, 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

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Sun 1/25

8:41 pm-11:12 am

1 stop15h 31m

Boise Air Term. Gowen Fld

Mon 2/2

12:07 pm-7:51 pm

1 stop6h 44m

$128

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 1/6

4:56 pm-7:02 pm

Nonstop4h 06m

Portland

Sun 1/11

9:39 am-3:05 pm

Nonstop3h 26m

$187

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 1/13

2:45 pm-8:47 pm

1 stop8h 02m

Portland

Tue 1/20

9:39 am-3:05 pm

Nonstop3h 26m

$187

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 1/13

6:30 am-12:32 pm

1 stop8h 02m

Portland

Tue 1/20

1:39 pm-8:39 pm

1 stop5h 00m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 2/18

7:00 am-12:42 pm

1 stop7h 42m

Portland

Sat 2/21

1:32 pm-8:38 pm

1 stop5h 06m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 1/14

2:45 pm-8:47 pm

1 stop8h 02m

Portland

Mon 1/19

9:39 am-3:05 pm

Nonstop3h 26m

$197

Kansas CityBoise

MCI - BOI

MCIBOI

Kansas City

Wed 1/21

6:30 am-10:24 am

1 stop4h 54m

Boise Air Term. Gowen Fld

Wed 1/21

3:03 pm-11:27 pm

1 stop7h 24m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 1/7

2:45 pm-8:47 pm

1 stop8h 02m

Portland

Mon 1/12

9:39 am-3:05 pm

Nonstop3h 26m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 1/16

3:59 pm-5:57 pm

Nonstop3h 58m

Portland

Sun 1/18

9:39 am-3:05 pm

Nonstop3h 26m

$197

Kansas CityRedmond

MCI - RDM

MCIRDM

Kansas City

Thu 1/15

2:45 pm-9:15 pm

1 stop8h 30m

Bend/Redmond

Wed 1/21

5:52 am-1:50 pm

1 stop5h 58m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $110). Flying from Missouri to Oregon in July is currently the most expensive (average of $204). 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Oregon in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Missouri to Oregon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Oregon flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 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
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 4h 06m. Airlines will cover a distance of 1477 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $110). Flying from Missouri to Oregon in July is currently the most expensive (average of $204). 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 7 airlines flying from Missouri to Oregon

Discover the top 7 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$215FlexibilityNo cancel feeOn-time62%
DeltaCheapest$156Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$441FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$191Average$463FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$207Average$449FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$226Average$418FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$231Average$532FlexibilityNo cancel feeOn-time69%

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