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$63+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 - MCI
1 stop23h 02mMultiple Airlines
Thu 12/187:00 amMCI - PDX
1 stop8h 24mMultiple Airlines
Deal found 10/27$181
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/149:02 pmPDX - MCI
2 stops20h 31mFrontier
Thu 12/48:09 pmMCI - PDX
1 stop17h 47mFrontier
Deal found 10/28$186
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 12/147:16 amPDX - MCI
Nonstop3h 24mAlaska Airlines
Wed 12/314:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 10/28$187
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/1812:47 pmPDX - MCI
1 stop29h 03mFrontier
Wed 12/318:45 pmMCI - PDX
1 stop16h 58mFrontier
Deal found 10/28$195
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 10/28$197
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/107:29 pmPDX - MCI
2 stops19h 50mFrontier
Thu 12/48:09 pmMCI - PDX
1 stop17h 47mFrontier
Deal found 10/28$201
This Southwest deal was found by Cheapflights users on 10/28. 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 12/136:00 amPDX - MCI
2 stops7h 25mSouthwest
Wed 12/176:20 amMCI - PDX
1 stop5h 50mSouthwest
Deal found 10/28$202
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/1110:40 amPDX - MCI
1 stop11h 18mAlaska Airlines
Tue 12/166:55 amMCI - PDX
1 stop8h 55mAlaska Airlines
Deal found 10/28$206
This Delta deal was found by Cheapflights users on 10/28. 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
Tue 12/166:28 amMCI - PDX
1 stop8h 12mDelta
Deal found 10/28$207
This Orbitz deal was found by Cheapflights users on 10/28. 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.
Fri 12/51:34 pmPDX - MCI
1 stop8h 24mMultiple Airlines
Sun 12/711:58 amMCI - PDX
1 stop8h 33mMultiple Airlines
Deal found 10/28$210
This Orbitz deal was found by Cheapflights users on 10/29. 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.
Sun 12/712:44 pmBOI - MCI
1 stop6h 06mMultiple Airlines
Thu 12/183:38 pmMCI - BOI
1 stop8h 59mMultiple Airlines
Deal found 10/29$220
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/38:30 amPDX - STL
1 stop5h 58mUnited Airlines
Fri 12/125:30 pmSTL - PDX
1 stop7h 22mUnited Airlines
Deal found 10/30$249

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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$185
(Cheapflightsfares)

One-way from

$63
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$349

Good round-trip deal

$187 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. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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 2/19

10:55 am-4:20 pm

Nonstop3h 25m

Kansas City

Tue 2/24

5:55 pm-7:48 pm

Nonstop3h 53m

$187

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Tue 12/9

6:29 am-3:00 pm

1 stop6h 31m

Kansas City

Wed 12/17

7:50 am-1:13 pm

1 stop7h 23m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 12/10

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

Fri 12/12

6:55 am-1:50 pm

1 stop8h 55m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

7:16 am-12:40 pm

Nonstop3h 24m

Kansas City

Tue 12/16

6:55 am-1:50 pm

1 stop8h 55m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 12/10

10:05 am-5:27 pm

1 stop5h 22m

Kansas City

Fri 12/12

2:20 pm-6:14 pm

1 stop5h 54m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Wed 12/10

12:32 am-10:00 am

1 stop7h 28m

Kansas City

Tue 12/16

6:28 am-12:40 pm

1 stop8h 12m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

10:40 am-11:58 pm

1 stop11h 18m

Kansas City

Thu 12/18

4:56 pm-7:02 pm

Nonstop4h 06m

$207

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 12/11

5:55 am-3:35 pm

1 stop7h 40m

Kansas City

Mon 12/15

6:05 pm-10:30 pm

1 stop6h 25m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Tue 12/9

1:14 pm-8:47 pm

1 stop5h 33m

Kansas City

Wed 12/17

6:00 am-9:38 am

1 stop5h 38m

$217

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Thu 11/20

5:55 am-1:00 pm

1 stop5h 05m

Kansas City

Mon 11/24

5:45 pm-12:15 am

1 stop8h 30m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $225). 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 October 30, 2025.

It’s optimal to fly from Oregon to Missouri in the evening. By choosing this option you can save up to 26% 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.

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 October 30, 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
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 25m. Fly via Alaska Airlines, Delta, or Frontier 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?

    $70 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $99 and $99, 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 $225). 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 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$239FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$135Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$159Average$414FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$172Average$432FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$199Average$511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$226Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$248Average$423FlexibilityNo cancel feeOn-time63%

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