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Cheap Flights from St Louis to Portland, OR, United States - STL to PDX Last modified: May 25, 2016 1:45 PM

Popular flights from St Louis to Portland Last modified: May 25, 2016 1:45 PM

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 30, 2016 Sep 4, 2016 $299
Sep 3, 2016 Sep 6, 2016 $299
American Airlines
Departure Date Return Date Lowest Price
Jul 9, 2016 Jul 14, 2016 $274
Jul 15, 2016 Jul 22, 2016 $274
Jul 22, 2016 Jul 30, 2016 $274
Jul 24, 2016 Jul 30, 2016 $274
Frontier Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Aug 31, 2016 $244
United Airlines
Departure Date Return Date Lowest Price
Sep 12, 2016 Sep 17, 2016 $278
Sep 15, 2016 Sep 19, 2016 $278

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

We have collected flight cost data from across the web for travel from St Louis to Portland, and have found the average flight price for this trip to be $270.

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

Airlines can adjust prices for plane tickets from St Louis to Portland 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 St Louis to Portland

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $769 $491
7-14 days $684 $392
14-21 days $848 $340
21-30 days $611 $313
30-60 days $550 $274
60-90 days $353 $244
90+ days $261 $244

Cheapest Day To Fly from St Louis to Portland

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$300 $244 $261 $261 $274 $274 $274

Lowest Fares Chart By Month from St Louis to Portland

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis Portland United 5/28/16 6/4/16 1 $491
June St Louis Portland United 6/24/16 7/6/16 1 $313
July St Louis Portland American 7/9/16 7/14/16 1 $274
August St Louis Portland Frontier 8/23/16 8/31/16 1 $244
September St Louis Portland Frontier 9/9/16 9/21/16 1 $261
October St Louis Portland Alaska 10/18/16 10/22/16 1 $255
November St Louis Portland Alaska 11/10/16 11/13/16 1 $331
December St Louis Portland United 12/23/16 1/1/17 1 $418

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

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 St Louis to Portland.

Next 30 Days

SunMonTueWedThuFriSat
22 23 24 25 26 27 28
$1,041
29 30 31 1 2 3 4
$1,041 $887
5 6 7 8 9 10 11
$887
12 13 14 15 16 17 18
19 20 21 22 23 24 25
$611
26 27 28 29 30 1 2
$611

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

Your St Louis to Portland 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 St Louis to Portland is $292.

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

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

Nonstop Flight Details from St Louis to Portland
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 1 1 1 1 1 1 1 16:55 16:55

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

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 St Louis to Portland. 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 St Louis to Portland is $133.

The average price for round trip flights from St Louis to Portland is $292.

St Louis to Portland Flight Questions

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

Question: How long is a direct flight from St Louis to Portland?
Answer: The average St Louis to Portland flight time is 4 hours and 18 minutes.
Question: How many miles are there between St Louis and Portland?
Answer: The distance from St Louis to Portland is 1702 miles.
Question: How common are direct flights from St Louis to Portland?
Answer: There are 7 direct flights from St Louis to Portland.
Question: What is the most popular airline for non-stop flights from St Louis to Portland?
Answer: Alaska Airlines provides 100% of the non-stop flights between St Louis and Portland.
Question: What are the most popular connecting cities when flying from St Louis to Portland?
Answer: Denver, CO

Airlines Flying from St Louis to Portland (STL to PDX) Number of flights searched: 194Last modified: May 25, 2016 1:45 PM

Below are the different airlines that fly from St Louis to Portland 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 St Louis to Portland.

St Louis to Portland
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 MSP X X X X X X X
Frontier DEN X X X X
United DEN X X X X X X X
Southwest - X X X X X X X
Southwest LAS X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Portland, 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 St Louis - STL

FlightsAirlineLowest Price
St Louis to Seattle American, Alaska, Frontier, United $261
St Louis to Las Vegas American, Alaska, Frontier, United $108
St Louis to Los Angeles American, Alaska, Frontier, United $244
St Louis to San Francisco American, Alaska, Frontier, United $261
St Louis to Eugene American, Alaska, United $412
St Louis to Chicago American, Alaska, United $213
St Louis to Dallas - Ft Worth American, Alaska, United $203
St Louis to Denver American, Alaska, Frontier, United $128
St Louis to Redmond American, Alaska, United $412
St Louis to Phoenix American, Alaska, Frontier, United $244
St Louis to Atlanta American, Alaska, Frontier, United $98
St Louis to Medford American, Alaska, United $484
St Louis to New York American, Alaska, United $235
St Louis to Pasco American, Alaska, United $434

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Vancouver American, Air Canada, Alaska, Frontier, United, WestJet $344
St Louis to Victoria American, Air Canada, Alaska, United, WestJet $299

Cheap Domestic Flights to Portland - PDX

FlightsAirlineLowest Price
Springfield to Portland American, Alaska, United $412
Moline to Portland American, Alaska, United $414
Bloomington - Normal to Portland American $320
Peoria to Portland American, United $405
Evansville to Portland American, United $478
Champaign to Portland American $532
Springfield to Seattle American, Alaska, Allegiant, United $332
Moline to Seattle American, Alaska, United $347
Peoria to Seattle American, United $332
Evansville to Seattle American, United $372
Bloomington - Normal to Seattle American $343
Springfield to Seattle American, United $412
Champaign to Seattle American $412
Moline to Eugene American, Alaska, United Check Dates
Cheap Flights from St Louis to Portland, OR, United States, from $244 Round trip from STL to PDX