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Cheap Flights from Portland to St Louis, MO, United States - PDX to STL Last modified: May 26, 2016 1:35 AM

Popular flights from Portland to St Louis Last modified: May 26, 2016 1:35 AM

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.

Alaska Airlines
Departure Date Return Date Lowest Price
Aug 24, 2016 Aug 29, 2016 $278
American Airlines
Departure Date Return Date Lowest Price
Sep 13, 2016 Sep 20, 2016 $264
United Airlines
Departure Date Return Date Lowest Price
Aug 24, 2016 Aug 29, 2016 $264
Sep 13, 2016 Sep 20, 2016 $264

How Much Does it Cost to Fly from Portland to St Louis (PDX 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 $303.

When Can I Buy the Cheapest Flight from Portland to St Louis (PDX 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.

How far in advance should you book flights from Portland to St Louis

The chart below shows up-to-date information regarding how far in advance a flight from Portland to St Louis should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $550 $392
7-14 days $498 $274
14-21 days $550 $274
21-30 days $875 $274
30-60 days $611 $274
60-90 days $376 $264
90+ days $275 $264

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
$340 $292 $264 $274 $274 $336 $340

Lowest Fares Chart By Month from Portland to St Louis

The chart below shows the lowest fare by month when flying from Portland to St Louis.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Portland St Louis United 5/27/16 5/30/16 1 $650
June Portland St Louis American 6/9/16 6/14/16 1 $274
July Portland St Louis American 7/7/16 7/16/16 1 $274
August Portland St Louis United 8/24/16 8/29/16 1 $264
September Portland St Louis American 9/13/16 9/20/16 1 $264
October Portland St Louis United 10/12/16 10/19/16 1 $264
November Portland St Louis United 11/10/16 11/14/16 1 $292
December Portland St Louis American 12/21/16 12/28/16 1 $461

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Portland to St Louis

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Portland to St Louis.

Next 30 Days

SunMonTueWedThuFriSat
29 30 31 1 2 3 4
$611
5 6 7 8 9 10 11
$611
12 13 14 15 16 17 18
19 20 21 22 23 24 25
$905
26 27 28 29 30 1 2
$905 $802
3 4 5 6 7 8 9
$802

Non-Stop vs Connecting Flights from Portland to St Louis (PDX to STL)

Your Portland to St Louis flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Portland to St Louis is $272.

The average price for non-stop flights from Portland to St Louis is $376.

The chart below shows up to date information regarding non-stop flights from Portland to St Louis.

Nonstop Flight Details from Portland to St Louis
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 1 1 1 1 1 1 1 10:25 10:25

Round Trip vs One Way Flights from Portland to St Louis (PDX 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 $145.

The average price for round trip flights from Portland to St Louis is $272.

Portland to St Louis Flight Questions

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

Question: How long is a direct flight from Portland to St Louis?
Answer: The average Portland to St Louis flight time is 3 hours and 49 minutes.
Question: How many miles are there between Portland and St Louis?
Answer: The distance from Portland to St Louis is 1702 miles.
Question: How common are direct flights from Portland to St Louis?
Answer: There are 7 direct flights from Portland to St Louis.
Question: What is the most popular airline for non-stop flights from Portland to St Louis?
Answer: Alaska Airlines provides 100% of the non-stop flights between Portland and St Louis.
Question: What are the most popular connecting cities when flying from Portland to St Louis?
Answer: Denver, CO

Airlines Flying from Portland to St Louis (PDX to STL) Number of flights searched: 242Last modified: May 26, 2016 1:35 AM

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 ORD X X X X X X X
Alaska - X X X X X X X
Alaska SEA X X X X X X X
Delta ATL X X X X X X X
United DEN X X X X X X X
Southwest - X X X X X X X
Southwest DEN X 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 - PDX

FlightsAirlineLowest Price
Portland to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $113
Portland to Atlanta American, Alaska, Frontier, United $382
Portland to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, United, Virgin America $147
Portland to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $273
Portland to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $234

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Seattle to St Louis American, Alaska, Frontier, United $261
Eugene to St Louis American, Alaska, United $372
Pasco to St Louis American, Alaska, United $428
Redmond to St Louis American, Alaska, United $435
Seattle to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $177
Seattle to Atlanta American, Alaska, Frontier, Spirit, United $317
Seattle to Dallas - Ft Worth American, Alaska, Frontier, Spirit, Sun Country, United, Virgin America $236
Seattle to New York American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $307
Seattle to Kansas City American, Alaska, Spirit, United $284
Seattle to Nashville American, Alaska, JetBlue, Frontier, United $244
Seattle to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $237
Seattle to Indianapolis American, Alaska, Frontier, United $244
Seattle to Detroit American, Alaska, JetBlue, Spirit, United $314
Seattle to Los Angeles American, Alaska, Spirit, United, Virgin America $99
Seattle to Denver American, Alaska, Frontier, United, Virgin America $158
Seattle to Houston American, Alaska, Frontier, Spirit, United $244
Seattle to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $244
Seattle to Memphis American, Alaska, Allegiant, United $295
Seattle to Springfield American, United $441
Seattle to Charlotte American, Alaska, JetBlue, Frontier, United $264
Seattle to Milwaukee American, Alaska, Frontier, United $307
Seattle to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $111
Seattle to Orlando American, Alaska, JetBlue, Frontier, Sun Country, United $244
Seattle to Louisville American, Alaska, United $370
Seattle to Cincinnati American, Alaska, United $310
Cheap Flights from Portland to St Louis, MO, United States, from $264 Round trip from PDX to STL