HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$68+ Cheap flights from Portland (PDX) 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Missouri

Cheapest flights from Portland to Missouri
Explore the most affordable flight options available from Portland to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:41 amPDX - MCI
Nonstop3h 21mAlaska Airlines
lun. 1/54:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 12/10$187
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3012:47 pmPDX - MCI
1 stop5h 03mMultiple Airlines
mar. 1/66:00 amMCI - PDX
1 stop6h 53mMultiple Airlines
Deal found 12/9$194
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.
mié. 12/315:00 amPDX - MCI
1 stop8h 50mSouthwest
lun. 1/56:20 pmMCI - PDX
1 stop8h 00mSouthwest
Deal found 12/10$207
This Southwest deal was found by Cheapflights users on 12/9. 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. 12/308:55 pmPDX - MCI
2 stops13h 00mSouthwest
mar. 1/61:30 pmMCI - PDX
1 stop6h 30mSouthwest
Deal found 12/9$294
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.
jue. 12/251:51 pmPDX - STL
1 stop8h 08mHawaiian Airlines
lun. 1/57:00 amSTL - PDX
1 stop7h 13mHawaiian Airlines
Deal found 12/10$296
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
mar. 12/309:26 amPDX - MCI
1 stop12h 47mAlaska Airlines
mar. 1/64:56 pmMCI - PDX
Nonstop4h 06mAlaska Airlines
Deal found 12/9$298
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.
vie. 12/268:55 pmPDX - MCI
1 stop10h 00mSouthwest
jue. 1/15:50 amMCI - PDX
1 stop7h 00mSouthwest
Deal found 12/10$313
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1112:51 pmPDX - STL
1 stop19h 23mFrontier
sáb. 12/137:43 pmSTL - PDX
1 stop18h 13mFrontier
Deal found 12/9$315
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.
mié. 12/175:00 amPDX - MCI
1 stop8h 50mSouthwest
dom. 12/216:10 pmMCI - PDX
1 stop8h 20mSouthwest
Deal found 12/10$327
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.
vie. 12/198:55 pmPDX - MCI
1 stop10h 00mSouthwest
dom. 12/216:10 pmMCI - PDX
1 stop8h 20mSouthwest
Deal found 12/11$332
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2611:55 pmPDX - MCI
1 stop7h 23mUnited Airlines
vie. 1/25:45 amMCI - PDX
1 stop6h 16mUnited Airlines
Deal found 12/11$333
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.
mar. 12/165:00 amPDX - MCI
1 stop5h 55mSouthwest
mar. 12/236:10 pmMCI - PDX
1 stop8h 20mSouthwest
Deal found 12/10$337

Find flight deals from Portland to Missouri

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

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$459

Good round-trip deal

$249 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 Portland to Missouri
Search Deals
One-way flight from Portland to Missouri
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 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 Portland to Missouri.
Search Deals
Price to beat on a one-way flight from Portland to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Portland to Missouri that are best for you.

Fly from

Portland

Fly to

Missouri

Route

Depart

Return

Price

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

sáb. 1/10

5:26 pm-11:39 am

1 stop16h 13m

Lambert-St Louis

sáb. 1/17

3:43 pm-11:04 am

1 stop21h 21m

$185

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mar. 1/27

6:30 am-2:45 pm

1 stop6h 15m

Kansas City

mar. 2/3

1:30 pm-6:00 pm

1 stop6h 30m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 12/31

5:00 am-3:50 pm

1 stop8h 50m

Kansas City

lun. 1/5

6:20 pm-12:20 am

1 stop8h 00m

$207

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

jue. 1/8

12:05 pm-12:12 pm

2 stops22h 07m

Lambert-St Louis

mié. 1/14

3:43 pm-11:04 am

1 stop21h 21m

$212

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 1/7

5:35 am-4:08 pm

2 stops8h 33m

Kansas City

mié. 1/14

9:05 am-1:45 pm

1 stop6h 40m

$222

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 1/9

8:30 am-4:08 pm

1 stop5h 38m

Kansas City

mar. 1/13

5:45 am-12:41 pm

2 stops8h 56m

$222

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 2/13

8:45 pm-10:50 am

1 stop12h 05m

Kansas City

dom. 2/15

10:00 am-1:45 pm

1 stop5h 45m

$222

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 3/6

1:36 pm-9:29 pm

1 stop5h 53m

Kansas City

mar. 3/10

5:16 pm-7:20 pm

Nonstop4h 04m

$237

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 1/2

1:51 pm-12:13 am

1 stop8h 22m

Kansas City

lun. 1/5

4:56 pm-7:02 pm

Nonstop4h 06m

$247

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

jue. 2/5

6:15 am-2:38 pm

1 stop6h 23m

Lambert-St Louis

sáb. 2/14

7:00 am-12:25 pm

1 stop7h 25m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 58 results
1
2
3
...
6

Best time to book a flight from Portland to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Portland 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 Portland to Missouri

What is the cheapest month to book a flight from Portland to Missouri?

Currently, October is the cheapest month in which you can book a flight from Portland to Missouri (average of $133). Flying from Portland 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 PDX to MO?

Find hourly flight availability from Portland 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 diciembre 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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

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

Travelers seeking maximum savings on their Portland to Missouri flight should consider departing on Wednesday mornings 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 diciembre 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Portland to Missouri by reading reviews from past customers. 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
11,432 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

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

  • What airport do you fly from for flights from Portland to Missouri?

    Most people fly from Portland (PDX) if they book a flight from Portland to Missouri. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Missouri?

    Frontier, Southwest, and United Airlines can get you from Portland to Missouri in just under 6h 15m. Your travel time can differ by up to 9h 58m. The distance between Portland and Missouri is about 1477 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Portland to Missouri?

    The most popular flight routes from Portland to Missouri are Portland - Kansas City, Portland - Lambert-St Louis and Portland - Springfield-Branson.

  • What are the cheapest flights from Portland to Missouri?

    The cheapest flight price from Portland to Missouri is $218. On average you can expect to pay $289. The most popular route, (Portland - Kansas City), can usually be booked for $197.

  • Can I find deals for flights from Portland to Missouri that include hotel bookings?

    Yes. In addition to deals on Portland to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Missouri.

  • Can I find deals for business class flights from Portland to Missouri?

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Missouri?

    Currently, October is the cheapest month in which you can book a flight from Portland to Missouri (average of $133). Flying from Portland 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Los Angeles flights
Portland to Las Vegas flights
Portland to John F Kennedy Intl flights
Portland to Sky Harbor Intl flights
Portland to Newark flights
Portland to Honolulu flights
Portland to Ontario flights
Portland to Kahului flights
Portland to Dallas/Fort Worth flights
Portland to Orlando flights
Portland to Miami flights
Portland to Hobby flights
Portland to Minneapolis flights
Portland to San Diego flights
Portland to Denver flights
Portland to San Francisco flights
Portland to Palm Springs flights
Portland to LaGuardia flights
Portland to O'Hare Intl flights
Portland to Atlanta flights
Portland to Kailua-Kona flights
Portland to George Bush Intcntl flights
Portland to Boston flights
Boise to Los Angeles flights
Portland to Santa Ana flights
Boise to Las Vegas flights
Portland to New Orleans flights
Portland to Salt Lake City flights
Portland to Lihue flights
Boise to Sky Harbor Intl flights
Boise to Seattle flights
Portland to Austin flights
Portland to Burbank flights
Portland to Tucson flights
Boise to Denver flights
Portland to Tampa flights
Redmond to Seattle flights
Portland to Dulles Intl flights
Boise to Dallas/Fort Worth flights
Portland to Nashville flights
Boise to O'Hare Intl flights
Boise to Honolulu flights
Portland to Reagan-National flights
Portland to Detroit flights
Portland to Baltimore flights
Portland to Seattle flights
Portland to Philadelphia flights
Portland to Fort Lauderdale flights
Portland to Oakland flights
Boise to Orlando flights

Top 7 airlines flying from Portland to Missouri

Discover the top 7 airlines that operate flights from Portland 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$218FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$354FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$434FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$193Average$354FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$226Average$402FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$410FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.