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$67+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap 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 enero 21, 2026.

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.
mié. 4/2210:45 am
PDX
-
MCI
Nonstop3h 32m
Alaska Airlines
mar. 4/285:11 pm
MCI
-
PDX
Nonstop3h 52m
Alaska Airlines
Deal found 1/21$177
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/2711:21 am
PDX
-
MCI
Nonstop3h 26m
Alaska Airlines
mar. 3/315:50 pm
MCI
-
PDX
Nonstop3h 51m
Alaska Airlines
Deal found 1/20$187
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.
mar. 3/105:25 am
PDX
-
MCI
1 stop6h 05m
Southwest
mié. 3/186:15 pm
MCI
-
PDX
1 stop6h 55m
Southwest
Deal found 1/20$193
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.
vie. 3/67:05 am
PDX
-
MCI
1 stop12h 24m
Alaska Airlines
mar. 3/105:16 pm
MCI
-
PDX
Nonstop4h 04m
Alaska Airlines
Deal found 1/21$197
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.
vie. 2/2710:18 pm
PDX
-
STL
1 stop17h 28m
Frontier
dom. 3/110:11 pm
STL
-
PDX
1 stop22h 10m
Frontier
Deal found 1/20$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.
mié. 3/46:00 am
PDX
-
MCI
2 stops8h 30m
Southwest
sáb. 3/77:10 pm
MCI
-
PDX
1 stop5h 25m
Southwest
Deal found 1/19$202
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/61:52 pm
PDX
-
MCI
1 stop8h 23m
American Airlines
mar. 3/101:58 pm
MCI
-
PDX
1 stop10h 04m
American Airlines
Deal found 1/19$207
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.
jue. 4/912:03 pm
BOI
-
MCI
1 stop6h 58m
Multiple Airlines
mar. 4/146:15 am
MCI
-
BOI
1 stop7h 07m
Multiple Airlines
Deal found 1/20$209
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.
mar. 2/249:55 am
PDX
-
MCI
2 stops8h 25m
Southwest
vie. 2/276:10 am
MCI
-
PDX
1 stop6h 45m
Southwest
Deal found 1/19$212
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.
vie. 3/138:30 am
PDX
-
MCI
1 stop10h 59m
Alaska Airlines
vie. 3/206:15 am
MCI
-
PDX
1 stop6h 18m
Alaska Airlines
Deal found 1/21$217
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.
lun. 2/166:45 am
PDX
-
MCI
1 stop12h 10m
Southwest
dom. 2/227:00 am
MCI
-
PDX
1 stop9h 30m
Southwest
Deal found 1/20$223
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.
vie. 3/612:04 pm
PDX
-
STL
1 stop19h 45m
Frontier
lun. 3/98:12 pm
STL
-
PDX
2 stops38h 46m
Frontier
Deal found 1/20$226

Find flight deals from Oregon to Missouri

Keep the following information in mind while searching for Oregon to Missouri flight deals. Data was last updated enero 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$67
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$332

Good round-trip deal

$197 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Portland-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lambert-St Louis 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. 8% potential increase in price ($33 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 Oregon to Missouri.
Search Deals
Price to beat on a one-way flight from Oregon to Missouri.
Search Deals

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 enero 21, 2026.
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

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mar. 3/3

10:53 am-4:22 pm

Nonstop3h 29m

Kansas City

mar. 3/10

5:16 pm-7:20 pm

Nonstop4h 04m

$177

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 3/6

10:53 am-4:22 pm

Nonstop3h 29m

Kansas City

mar. 3/10

5:16 pm-7:20 pm

Nonstop4h 04m

$187

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 3/13

10:53 am-4:22 pm

Nonstop3h 29m

Kansas City

vie. 3/20

5:41 pm-7:32 pm

Nonstop3h 51m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 4/17

11:30 am-4:56 pm

Nonstop3h 26m

Kansas City

lun. 4/20

5:50 pm-7:41 pm

Nonstop3h 51m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 4/10

4:55 pm-12:50 am

1 stop5h 55m

Kansas City

lun. 4/13

8:20 pm-12:55 am

1 stop6h 35m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

jue. 4/16

12:30 am-8:51 am

1 stop6h 21m

Kansas City

lun. 4/20

7:59 pm-11:53 pm

1 stop5h 54m

$217

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

sáb. 5/23

11:18 am-5:06 pm

Nonstop3h 48m

Lambert-St Louis

mar. 5/26

6:20 pm-8:37 pm

Nonstop4h 17m

$229

BoiseSt. Louis

BOI - STL

BOISTL

Boise Air Term. Gowen Fld

mié. 4/29

6:00 am-1:25 pm

1 stop6h 25m

Lambert-St Louis

mié. 5/13

6:59 pm-11:56 pm

1 stop5h 57m

$237

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 2/18

6:00 am-4:58 pm

2 stops8h 58m

Lambert-St Louis

mié. 2/25

2:45 pm-9:01 pm

1 stop8h 16m

$242

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mié. 2/25

3:10 pm-11:59 pm

1 stop6h 49m

Lambert-St Louis

dom. 3/1

6:00 am-10:58 am

1 stop6h 58m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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, October is the cheapest month in which you can book a flight from Oregon to Missouri (average of $133). Flying from Oregon to Missouri in June is currently the most expensive (average of $233). 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 enero 21, 2026.

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.

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 enero 21, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Oregon to Missouri. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

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 Oregon to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to Missouri?

    There are many flights that can get you from Oregon to Missouri in 3h 29m. Fly via Alaska Airlines, Delta, or United Airlines to get the fastest option. The distance between Oregon and Missouri is about 1477 mi. This flight may include one or multiple stops.

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

    $61 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $74 and $98, 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, October is the cheapest month in which you can book a flight from Oregon to Missouri (average of $133). Flying from Oregon to Missouri in June is currently the most expensive (average of $233). 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 Oregon to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Oregon to Missouri

Discover the top 7 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 enero 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$151Average$381FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$172Average$435FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$347FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$199Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$207Average$427FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$456FlexibilityNo cancel feeOn-time71%

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