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$60+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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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 November 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Fri 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$141
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Thu 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$167
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:32 amPDX - MCI
1 stop7h 28mDelta
Sat 12/136:40 amMCI - PDX
1 stop8h 14mDelta
Deal found 11/19$175
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
Sun 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 11/19$179
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:16 amPDX - MCI
Nonstop3h 24mHawaiian Airlines
Sun 12/141:34 pmMCI - PDX
Nonstop4h 06mHawaiian Airlines
Deal found 11/19$192
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:29 amPDX - STL
1 stop7h 47mFrontier
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/19$195
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:32 amPDX - MCI
1 stop7h 28mDelta
Wed 12/106:28 amMCI - PDX
1 stop8h 12mDelta
Deal found 11/19$196
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/127:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Sun 12/141:34 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 11/20$197
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:23 pmPDX - MCI
1 stop6h 59mDelta
Sun 12/143:55 pmMCI - PDX
1 stop9h 01mDelta
Deal found 11/19$200
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:32 pmPDX - STL
2 stops38h 42mFrontier
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/19$200
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Fri 12/1212:55 pmPDX - STL
1 stop19h 19mFrontier
Sat 12/207:43 pmSTL - PDX
1 stop18h 00mFrontier
Deal found 11/20$201
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
Sun 12/1410:44 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 11/19$203

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 November 20, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$141
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$377

Good round-trip deal

$227 or less

Good one-way deal

$108 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. 0% potential increase in price ($1 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 November 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

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 November 20, 2025.
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

Thu 12/4

5:05 pm-12:29 am

1 stop5h 24m

Kansas City

Wed 12/10

3:55 pm-10:56 pm

1 stop9h 01m

$196

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sun 1/11

9:39 am-3:05 pm

Nonstop3h 26m

Kansas City

Sun 1/18

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 1/8

9:39 am-3:05 pm

Nonstop3h 26m

Kansas City

Sun 1/11

3:59 pm-5:57 pm

Nonstop3h 58m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

10:50 am-7:00 pm

1 stop6h 10m

Kansas City

Sun 12/14

3:40 pm-8:45 pm

1 stop7h 05m

$200

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

2:23 pm-11:22 pm

1 stop6h 59m

Kansas City

Sun 12/14

3:55 pm-10:56 pm

1 stop9h 01m

$200

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 12/6

2:23 pm-11:22 pm

1 stop6h 59m

Kansas City

Thu 12/11

6:22 pm-12:04 am

1 stop7h 42m

$204

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 1/8

6:00 am-6:30 pm

1 stop10h 30m

Kansas City

Sun 1/11

1:40 pm-7:05 pm

1 stop7h 25m

$205

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

10:40 am-11:58 pm

1 stop11h 18m

Kansas City

Sun 12/14

1:34 pm-3:40 pm

Nonstop4h 06m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Sat 2/14

5:10 am-3:30 pm

1 stop8h 20m

Kansas City

Mon 2/16

7:00 am-2:30 pm

1 stop9h 30m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Fri 3/6

1:30 pm-11:42 pm

1 stop8h 12m

Kansas City

Tue 3/10

6:10 pm-11:54 pm

1 stop7h 44m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 $228). 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 November 20, 2025.

It’s optimal to fly from Oregon to Missouri in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

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

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

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

How much does it cost to fly round-trip from Oregon to Missouri?

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 November 20, 2025.
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
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,326 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,251 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,028 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 26m. Fly via Delta, Alaska Airlines, or Southwest 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?

    $84 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $105 and $109, 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 $228). 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 8 airlines flying from Oregon to Missouri

Discover the top 8 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$230FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$135Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$154Average$406FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$172Average$422FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$199Average$508FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$247Average$423FlexibilityNo cancel feeOn-time63%

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