Cheap Flights from Portland to St. Louis from £116️ (PWM-STL)

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Flights from Portland to St. Louis Starting at £116

We've found these cheap flights for you. You can book one-way or return flight tickets.

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Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Portland to St. Louis

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines

From £116

Frontier Airlines

From £146

United Airlines

From £160

Sun Country Airlines

From £161

Delta Air Lines

From £210

Breeze Airways

From £210

ANA airlines

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Alternative Routes from Portland to St. Louis

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Portland to St. Louis.

Cheapest
PWM
06:00
7h 16m
1 transfer
STL
12:16
Portland International Jetport - St. Louis Lambert International Airport
Tue, Jun 25American Airlines
£116
PWM
06:00
7h 16m
1 transfer
STL
12:16
Portland International Jetport - St. Louis Lambert International Airport
Tue, Jun 25American Airlines
£116
Find More Flights

How do I find the cheapest flights?

When are flight tickets from Portland (PWM) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Portland to St. Louis based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Portland (PWM) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around £418.
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
How many airports in St. Louis (STL)?
There are 3 airport(s) in St. Louis (STL): St. Louis Downtown Airport, St. Louis Lambert International Airport and St Louis Spirit Of St Louis Airport.

How to find a cheap flight from Portland to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to St. Louis. Book your flights at the right time and save more.

Book Early

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Check One-way Fares

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