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Oregon

$84+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:16 pm
MCI
-
PDX
Nonstop4h 04m
Hawaiian Airlines
Tue 2/2410:53 am
PDX
-
MCI
Nonstop3h 29m
Hawaiian Airlines
Deal found 1/20$177
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:41 pm
MCI
-
PDX
Nonstop3h 51m
Alaska Airlines
Fri 3/2711:21 am
PDX
-
MCI
Nonstop3h 26m
Alaska Airlines
Deal found 1/20$187
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:24 pm
MCI
-
BOI
1 stop14h 47m
Frontier
Sun 3/111:56 am
BOI
-
MCI
2 stops20h 57m
Frontier
Deal found 1/21$191
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Sun 3/110:53 am
PDX
-
MCI
Nonstop3h 29m
Alaska Airlines
Deal found 1/19$197
This Southwest deal was found by Cheapflights users on 1/19. 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.
Sat 2/216:00 am
MCI
-
PDX
1 stop6h 05m
Southwest
Tue 2/249:55 am
PDX
-
MCI
2 stops7h 10m
Southwest
Deal found 1/19$202
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:35 pm
MCI
-
PDX
1 stop7h 00m
Southwest
Tue 3/105:25 am
PDX
-
MCI
1 stop6h 05m
Southwest
Deal found 1/20$203
This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 3/246:40 am
MCI
-
PDX
1 stop7h 55m
Delta
Thu 3/2612:30 am
PDX
-
MCI
1 stop6h 11m
Delta
Deal found 1/21$207
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:30 pm
MCI
-
PDX
1 stop5h 40m
Southwest
Fri 3/271:30 pm
PDX
-
MCI
2 stops9h 30m
Southwest
Deal found 1/21$212
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:55 pm
MCI
-
PDX
1 stop10h 10m
Southwest
Tue 2/246:30 am
PDX
-
MCI
1 stop8h 15m
Southwest
Deal found 1/20$213
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:21 pm
MCI
-
PDX
1 stop7h 53m
United Airlines
Mon 2/2312:57 pm
PDX
-
MCI
1 stop7h 43m
United Airlines
Deal found 1/20$217
This United Airlines deal was found by Cheapflights users on 1/21. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:54 am
MCI
-
PDX
2 stops8h 44m
United Airlines
Sat 2/285:05 am
PDX
-
MCI
1 stop5h 39m
United Airlines
Deal found 1/21$222
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 4/155:50 pm
MCI
-
PDX
Nonstop3h 51m
Alaska Airlines
Sat 4/189:00 am
PDX
-
MCI
1 stop12h 59m
Alaska Airlines
Deal found 1/21$227

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Kiwi.com)

One-way from

$84
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$335

Good round-trip deal

$187 or less

Good one-way deal

$88 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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Thu 2/26

9:24 pm-11:11 am

1 stop14h 47m

Boise Air Term. Gowen Fld

Sun 3/1

11:56 am-9:53 am

2 stops20h 57m

$191

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 2/24

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Fri 2/27

8:30 am-9:29 pm

1 stop10h 59m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 4/8

2:55 pm-6:30 pm

1 stop5h 35m

Portland

Sat 4/11

12:40 pm-8:35 pm

1 stop5h 55m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 2/27

5:16 pm-7:20 pm

Nonstop4h 04m

Portland

Sun 3/1

10:53 am-4:22 pm

Nonstop3h 29m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Mon 3/30

5:50 pm-7:41 pm

Nonstop3h 51m

Portland

Thu 4/2

11:30 am-4:56 pm

Nonstop3h 26m

$197

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Fri 3/6

5:35 pm-10:35 pm

1 stop7h 00m

Portland

Tue 3/10

5:25 am-1:30 pm

1 stop6h 05m

$203

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Sat 3/7

3:48 pm-10:24 pm

1 stop8h 36m

Portland

Sat 3/14

12:30 am-8:41 am

1 stop6h 11m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 3/11

2:40 pm-6:10 pm

1 stop5h 30m

Portland

Sun 3/15

12:30 am-8:41 am

1 stop6h 11m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 3/24

6:55 pm-11:35 pm

1 stop6h 40m

Portland

Fri 3/27

3:05 pm-11:30 pm

1 stop6h 25m

$207

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Tue 3/24

7:08 am-12:14 pm

1 stop7h 06m

Portland

Fri 3/27

1:10 pm-11:56 pm

1 stop8h 46m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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, February is the cheapest month in which you can book a flight from Missouri to Oregon (average of $111). 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 January 21, 2026.

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 January 21, 2026.
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
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,089 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,191 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,174 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 04m. 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 $111). 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$397FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$163Average$443FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$464FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$188Average$451FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$532FlexibilityNo cancel feeOn-time69%

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