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Missouri

$63+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$261
(FlightHub)

One-way from

$63
(Priceline)

Popular in

May

Cheapest in

November

Average price

$358

Good round-trip deal

$327 or less

Good one-way deal

$243 or less
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. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:35 amPDX - STL
1 stop24h 36mFrontier
mié. 8/207:54 pmSTL - PDX
1 stop17h 29mFrontier
Deal found 7/2$261
This Southwest deal was found by Cheapflights users on 7/1. 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. 9/151:35 pmPDX - MCI
1 stop6h 30mSouthwest
mié. 9/173:05 pmMCI - PDX
2 stops8h 50mSouthwest
Deal found 7/1$272
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:35 pmPDX - STL
1 stop14h 46mMultiple Airlines
mar. 9/167:55 pmSTL - PDX
1 stop28h 39mMultiple Airlines
Deal found 6/30$272
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/282:32 pmPDX - MCI
1 stop7h 27mAlaska Airlines
jue. 10/97:00 amMCI - PDX
1 stop7h 25mAlaska Airlines
Deal found 6/30$277
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/256:35 amPDX - MCI
1 stop10h 29mMultiple Airlines
lun. 7/282:32 pmMCI - PDX
1 stop25h 43mMultiple Airlines
Deal found 7/1$285
This Mytrip deal was found by Cheapflights users on 7/2. 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.
dom. 8/1010:23 amPDX - SGF
2 stops22h 58mMultiple Airlines
vie. 8/1512:09 pmSGF - PDX
1 stop8h 48mMultiple Airlines
Deal found 7/2$288
This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 9/167:39 amPDX - SGF
1 stop8h 25mAmerican Airlines
sáb. 9/204:23 pmSGF - PDX
1 stop7h 04mAmerican Airlines
Deal found 7/1$289
This Mytrip deal was found by Cheapflights users on 7/2. 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.
sáb. 9/207:59 pmPDX - MCI
1 stop17h 07mSpirit Airlines
lun. 9/2210:53 amMCI - PDX
3 stops34h 11mSpirit Airlines
Deal found 7/2$290
This Southwest deal was found by Cheapflights users on 7/3. 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. 9/101:30 pmPDX - STL
1 stop6h 10mSouthwest
jue. 9/113:55 pmSTL - PDX
1 stop6h 15mSouthwest
Deal found 7/3$292
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/106:05 amPDX - STL
1 stop6h 36mAlaska Airlines
lun. 9/156:30 pmSTL - PDX
1 stop7h 45mAlaska Airlines
Deal found 6/30$296
This Delta deal was found by Cheapflights users on 7/3. 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.
mié. 8/135:05 pmPDX - STL
1 stop5h 33mDelta
mié. 8/2011:23 amSTL - PDX
1 stop6h 30mDelta
Deal found 7/3$297
This Frontier deal was found by Cheapflights users on 7/2. 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.
lun. 7/286:35 amPDX - MCI
1 stop10h 29mFrontier
mié. 7/307:20 pmMCI - PDX
1 stop6h 04mFrontier
Deal found 7/2$305

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 julio 3, 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

jue. 8/14

6:35 am-9:11 am

1 stop24h 36m

Lambert-St Louis

mié. 8/20

7:54 pm-11:23 am

1 stop17h 29m

$261

PortlandKansas City

PDX - MCI

PDXMCI

Portland

lun. 9/15

1:35 pm-10:05 pm

1 stop6h 30m

Kansas City

mié. 9/17

3:05 pm-9:55 pm

2 stops8h 50m

$272

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

jue. 9/11

6:35 pm-11:21 am

1 stop14h 46m

Lambert-St Louis

mar. 9/16

7:55 pm-10:34 pm

1 stop28h 39m

$272

PortlandKansas City

PDX - MCI

PDXMCI

Portland

dom. 9/28

2:32 pm-11:59 pm

1 stop7h 27m

Kansas City

jue. 10/9

7:00 am-12:25 pm

1 stop7h 25m

$277

PortlandKansas City

PDX - MCI

PDXMCI

Portland

vie. 7/25

6:35 am-7:04 pm

1 stop10h 29m

Kansas City

lun. 7/28

2:32 pm-2:15 pm

1 stop25h 43m

$285

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

dom. 8/10

10:23 am-11:21 am

2 stops22h 58m

Springfield-Branson

vie. 8/15

12:09 pm-6:57 pm

1 stop8h 48m

$288

PortlandSpringfield

PDX - SGF

PDXSGF

Portland

mar. 9/16

7:39 am-6:04 pm

1 stop8h 25m

Springfield-Branson

sáb. 9/20

4:23 pm-9:27 pm

1 stop7h 04m

$289

PortlandKansas City

PDX - MCI

PDXMCI

Portland

sáb. 9/20

7:59 pm-3:06 pm

1 stop17h 07m

Kansas City

lun. 9/22

10:53 am-7:04 pm

3 stops34h 11m

$290

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mié. 9/10

1:30 pm-9:40 pm

1 stop6h 10m

Lambert-St Louis

jue. 9/11

3:55 pm-8:10 pm

1 stop6h 15m

$292

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mié. 9/10

6:05 am-2:41 pm

1 stop6h 36m

Lambert-St Louis

lun. 9/15

6:30 pm-12:15 am

1 stop7h 45m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 44 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 julio 3, 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.

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 julio 3, 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
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

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?

    $63 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 $95 and $99, 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 $189. On average you can expect to pay $405. The most popular route, (Portland - Kansas City), can usually be booked for $231.

  • 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$114Average$179FlexibilityNo cancel feeOn-time65%
DeltaCheapest$172Average$345FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$212Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$452FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$244Average$484FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$252Average$435FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$297Average$464FlexibilityNo cancel feeOn-time85%

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