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Cheap Flights from Portland to St Louis, MO, United States - PWM to STL

Popular flights from Portland to St Louis

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
Aug 26, 2016 Aug 29, 2016 $372
United Airlines
Departure Date Return Date Lowest Price
Aug 26, 2016 Aug 29, 2016 $372

How Much Does it Cost to Fly from Portland to St Louis (PWM to STL)?

We have collected flight cost data from across the web for travel from Portland to St Louis, and have found the average flight price for this trip to be $458.

When Can I Buy the Cheapest Flight from Portland to St Louis (PWM to STL)?

Airlines can adjust prices for plane tickets from Portland to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Portland to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Portland to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$443 $378 $378 $438 $460 $637 $467

Round Trip vs One Way Flights from Portland to St Louis (PWM to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Portland to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Portland to St Louis is $182.

The average price for round trip flights from Portland to St Louis is $405.

Portland to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Portland to St Louis?
Answer: Atlanta, GA

Airlines Flying from Portland to St Louis (PWM to STL)

Below are the different airlines that fly from Portland to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Portland to St Louis.

Portland to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American CLT X X X X X X X
Delta ATL X X X X X X X
Delta DTW / CVG X X X X X X X
United IAD X X X X X X X
Southwest BWI X X X X X X

Airports for Your Route

These pages contain information about the major airports in Portland and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Portland - PWM

FlightsAirlineLowest Price
Portland to Chicago American, JetBlue, United $300

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Boston to St Louis American, Alaska, United $332
Hartford to St Louis American, Alaska, United $273
Providence to St Louis American, Alaska, United $357
Albany to St Louis American, United $346
Manchester to St Louis American, United $328
Burlington to St Louis American, Alaska, United $426
Bangor to St Louis American, Alaska, United $409
Boston to Dallas - Ft Worth American, Alaska, JetBlue, Spirit, United $83
Hartford to Chicago American, United $330
Providence to Chicago American, United $213
Hartford to Atlanta American, United $161
Albany to Chicago American, United $337
Burlington to Chicago American, United $339
Manchester to Chicago American, United $213
Boston to Nashville American, JetBlue, United $117
Boston to Indianapolis American, Alaska, United $202
Boston to Kansas City American, Alaska, United $315
Boston to Minneapolis - St Paul American, Spirit, Sun Country, United $147
Hartford to Dallas - Ft Worth American, United $272
Boston to Los Angeles American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $261
Boston to Denver American, JetBlue, Spirit, Sun Country, United $272
Boston to Detroit American, JetBlue, Spirit, United $116
Boston to Washington American, JetBlue, United $107
Boston to Houston American, JetBlue, Spirit, United $164
Boston to Charlotte American, JetBlue, United $177
Providence to Atlanta American, United $197
Boston to Orlando American, JetBlue, Spirit, United $157
Boston to Baltimore American, JetBlue, Spirit, United $80

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
Boston to Toronto Cape Air, American, Air Canada, Alaska, JetBlue, Spirit, Porter, Tradewind, United, WestJet $195
Cheap Flights from Portland to St Louis, MO, United States, from $372 Round trip from PWM to STL