St. Louis

$106+ Cheap flights from Portland to St. Louis (PDX - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX ā€” STL
nov. 12 ā€” nov. 191
1 adult
mar. 11/12
mar. 11/19
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The best prices from Portland to Lambert-St Louis are usually found in September or January, booked 30 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 7, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

September

Average price

$419

Round-trip from

$106
(Mytrip)
Provider with most accurate pricing for Portland-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Portland-Lambert-St Louis flights.
High demand for flights, 20% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in November 2024
From Portland to Lambert-St Louis

Find flight deals from Portland to St. Louis

Cheapest flights from Portland to St. Louis
Explore the most affordable flight options available from Portland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 7, 2024.

This Delta deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure Delta is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
miƩ. 12/1111:13 pmPDX - STL
1 stop8h 22mDelta
dom. 12/157:20 amSTL - PDX
1 stop7h 15mDelta
Deal found 11/6$212
This CheapOair deal was found by Cheapflights users on 11/7. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure CheapOair is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
mar. 11/196:05 amPDX - STL
1 stop15h 08mFrontier
jue. 11/217:40 pmSTL - PDX
1 stop15h 22mFrontier
Deal found 11/7$214
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure United Airlines is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
vie. 12/69:55 pmPDX - STL
1 stop11h 04mUnited Airlines
jue. 12/121:39 pmSTL - PDX
1 stop6h 25mUnited Airlines
Deal found 11/6$222
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure American Airlines is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
lun. 12/1612:35 pmPDX - STL
1 stop9h 37mAmerican Airlines
miƩ. 1/15:21 amSTL - PDX
1 stop7h 49mAmerican Airlines
Deal found 11/6$292
This Mytrip deal was found by Cheapflights users on 11/7. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure Mytrip is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
vie. 12/65:00 amPDX - STL
3 stops28h 45mMultiple Airlines
jue. 12/125:00 pmSTL - PDX
3 stops32h 48mMultiple Airlines
Deal found 11/7$330
This FareScan deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure FareScan is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
miƩ. 11/205:15 amPDX - STL
3 stops33h 11mSpirit Airlines
dom. 11/245:21 pmSTL - PDX
2 stops33h 30mSpirit Airlines
Deal found 11/6$381
This Alaska Airlines deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure Alaska Airlines is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
vie. 12/135:00 amPDX - STL
1 stop6h 24mAlaska Airlines
vie. 12/134:08 pmSTL - PDX
1 stop8h 11mAlaska Airlines
Deal found 11/6$387
This Southwest deal was found by Cheapflights users on 11/6. Clicking the ā€œPick Datesā€ button in this card will allow you to select your dates and further customize your flight criteria. From there, click ā€œFind dealsā€, make sure Southwest is selected, and click ā€œCompare selectedā€ under the list of providers to see comparable flight deals.
lun. 11/1811:30 amPDX - STL
2 stops10h 15mSouthwest
vie. 11/228:05 pmSTL - PDX
1 stop6h 10mSouthwest
Deal found 11/6$467

Find flights from Portland to St. Louis within your budget

Customize your flight search to find flights from Portland to St. Louis 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 2,537,365 searches. Data last updated noviembre 7, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mar. 12/3

7:40 am-5:56 pm

1 stop8h 16m

$109

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

lun. 12/2

12:59 am-10:40 am

1 stop7h 41m

$139

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mar. 2/18

3:05 pm-11:59 pm

2 stops30h 54m

$167

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

sƔb. 11/16

5:15 am-4:34 pm

2 stops33h 19m

$241

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

dom. 12/1

1:50 am-10:46 am

1 stop6h 56m

$244

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

dom. 12/1

12:35 pm-10:35 pm

1 stop8h 00m

$383

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

miƩ. 12/11

5:19 pm-12:57 am

1 stop5h 38m

Lambert-St Louis

jue. 12/12

6:00 am-11:01 am

1 stop7h 01m

$212

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

mar. 11/19

6:05 am-11:13 pm

1 stop15h 08m

Lambert-St Louis

jue. 11/21

7:40 pm-9:02 am

1 stop15h 22m

$214

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

vie. 12/6

9:55 pm-10:59 am

1 stop11h 04m

Lambert-St Louis

jue. 12/12

1:39 pm-6:04 pm

1 stop6h 25m

$222

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

jue. 3/13

8:00 am-11:59 pm

1 stop13h 59m

Lambert-St Louis

lun. 3/17

7:00 am-12:33 pm

1 stop7h 33m

$281

Flights are sorted by cheapest first

Deals found on 11/7

Showing 1-10 of 14 results
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Compare providers for flights from Portland to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to St. Louis in November.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 starCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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.

Travel insights for flights from Portland to St. Louis

Get recent, data-driven insights about flights from Portland to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Portland to St. Louis. Price data was last updated on November 1, 2024.

The best time to book flights from Portland to St. Louis is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Portland to St. Louis (average of $308). Flying from Portland to St. Louis in March is currently the most expensive (average of $357). 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 STL?

Find hourly flight availability from Portland to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 7, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Portland to St. Louis by exploring options for tickets in the evening.

What is the cheapest day to fly from Portland to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Portland to St. Louis. Price data was last updated on November 3, 2024.

Travelers seeking maximum savings on their Portland to St. Louis flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated noviembre 7, 2024.
Read through reviews of airlines operating flights from Portland to St. Louis, such as Delta, United Airlines and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,083 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,083 reviews
8.1
Very good
5,083 reviews

Overall

8.1

Food