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$83+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheap flight deals from Portland to Missouri

Keep the following information in mind while searching for Portland to Missouri flight deals. Data was last updated abril 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(American Airlines)

One-way from

$83
(Mytrip)

Popular in

April

Cheapest in

November

Average price

$386

Good round-trip deal

$472 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Portland-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Portland-Kansas City flights.
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From Portland to Missouri
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One-way flight from Portland to Missouri
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portland to Missouri.
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Price to beat on a one-way flight from Portland to Missouri.
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Find 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 abril 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/112:12 pmPDX - STL
1 stop6h 33mUnited Airlines
lun. 6/164:32 pmSTL - PDX
1 stop8h 03mUnited Airlines
Deal found 4/29$227
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/306:35 amPDX - STL
1 stop25h 34mFrontier
lun. 6/27:24 pmSTL - PDX
1 stop6h 55mFrontier
Deal found 4/29$228
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/295:05 pmPDX - STL
1 stop5h 33mDelta
lun. 8/42:15 pmSTL - PDX
1 stop9h 46mDelta
Deal found 4/29$263
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/89:55 pmPDX - STL
1 stop8h 16mAmerican Airlines
mié. 6/115:29 pmSTL - PDX
1 stop7h 29mAmerican Airlines
Deal found 4/29$277
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/2812:54 pmPDX - SGF
1 stop7h 06mUnited Airlines
mié. 6/45:45 amSGF - PDX
2 stops8h 37mUnited Airlines
Deal found 4/29$283
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/115:40 pmPDX - MCI
2 stops24h 49mSpirit Airlines
sáb. 6/149:47 pmMCI - PDX
2 stops15h 30mSpirit Airlines
Deal found 4/29$289
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:20 amPDX - MCI
1 stop11h 31mFrontier
lun. 5/128:51 pmMCI - PDX
1 stop5h 47mFrontier
Deal found 4/29$290
This Delta deal was found by Cheapflights users on 4/28. 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.
lun. 5/196:11 amPDX - MCI
1 stop6h 13mDelta
mar. 5/206:30 amMCI - PDX
1 stop6h 15mDelta
Deal found 4/28$297
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/1412:35 pmPDX - STL
2 stops9h 35mSouthwest
vie. 10/175:40 amSTL - PDX
1 stop6h 30mSouthwest
Deal found 4/29$298
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2611:59 pmPDX - MCI
1 stop8h 24mAmerican Airlines
vie. 7/117:00 amMCI - PDX
1 stop9h 25mAmerican Airlines
Deal found 4/29$302
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/124:00 pmPDX - STL
1 stop5h 59mMultiple Airlines
vie. 5/166:53 pmSTL - PDX
1 stop7h 45mMultiple Airlines
Deal found 4/29$305
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:10 amPDX - MCI
2 stops7h 50mSouthwest
mar. 11/43:25 pmMCI - PDX
1 stop6h 30mSouthwest
Deal found 4/29$312

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 abril 30, 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

mar. 6/3

11:59 pm-8:59 am

1 stop7h 00m

Lambert-St Louis

vie. 6/6

5:29 pm-12:36 am

1 stop9h 07m

$227

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

vie. 5/16

6:20 am-9:59 am

1 stop25h 39m

Lambert-St Louis

sáb. 5/24

7:55 pm-12:17 am

1 stop6h 22m

$231

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

dom. 6/8

9:15 pm-8:30 am

1 stop9h 15m

Lambert-St Louis

mié. 6/11

5:45 pm-11:55 pm

1 stop8h 10m

$263

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mar. 7/29

11:59 pm-9:31 am

1 stop7h 32m

Lambert-St Louis

dom. 8/3

5:00 am-9:42 am

1 stop6h 42m

$264

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mar. 5/27

8:00 pm-10:47 am

2 stops12h 47m

Lambert-St Louis

mar. 6/3

7:19 pm-11:43 pm

1 stop6h 24m

$266

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

lun. 5/12

4:00 pm-11:59 pm

1 stop5h 59m

Lambert-St Louis

vie. 5/16

6:53 pm-12:38 am

1 stop7h 45m

$288

PortlandKansas City

PDX - MCI

PDXMCI

Portland

mié. 6/11

5:40 pm-8:29 pm

2 stops24h 49m

Kansas City

sáb. 6/14

9:47 pm-11:17 am

2 stops15h 30m

$289

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

mar. 8/12

11:59 pm-10:48 am

1 stop8h 49m

Springfield-Branson

sáb. 8/16

1:48 pm-5:31 pm

1 stop5h 43m

$289

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 5/9

6:20 am-7:51 pm

1 stop11h 31m

Kansas City

lun. 5/12

8:51 pm-12:38 am

1 stop5h 47m

$290

PortlandKansas City

PDX - MCI

PDXMCI

Portland

lun. 5/19

6:11 am-2:24 pm

1 stop6h 13m

Kansas City

mar. 5/20

6:30 am-10:45 am

1 stop6h 15m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 47 results
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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, August is the cheapest month in which you can book a flight from Portland to Missouri (average of $311). Flying from Portland to Missouri in March is currently the most expensive (average of $356). 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 abril 30, 2025.

When flying from Portland to Missouri, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 abril 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Portland 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
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,406 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $83 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $96 and $114, respectively.

  • 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 $564. On average you can expect to pay $806. The most popular route, (Portland - Kansas City), can usually be booked for $258.

  • 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, August is the cheapest month in which you can book a flight from Portland to Missouri (average of $311). Flying from Portland to Missouri in March is currently the most expensive (average of $356). 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.

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Alternative routes for Portland 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 Portland to Missouri

Discover the top 8 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$127Average$190FlexibilityNo cancel feeOn-time65%
DeltaCheapest$182Average$345FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$459FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$228Average$464FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$252Average$443FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$298Average$447FlexibilityNo cancel feeOn-time85%

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