Cheap flights from Portland to St. Louis

Round-trip
Economy
Portland (PDX)
St. Louis (STL)
Thu 12/24
Thu 12/31
Any month
Compare vs. momondo |

Flight information for Portland to St. Louis
(PDX to STL)

Find info about flight duration, direct flights, and airports for your flight from Portland to St. Louis
Best Price Found $225 The best flight deal from Portland to St. Louis found on momondo in the last 72 hours is $225
Fastest flight time 3h 40m The fastest flight from Portland to St. Louis takes 3h 40m.
Direct flights Sa Direct flights go from Portland to St. Louis on Saturday. Airline offering direct flights is Southwest..
Airports in St. Louis 1 airport There is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from Portland to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
August
The cheapest time of year to fly to St. Louis from Portland is August. Most expensive is December
What is the cheapest day to fly to St. Louis?
Friday
The cheapest day of the week is typically Friday. The most expensive is typically Sunday
When is the cheapest time to fly to St. Louis?
at noon
Portland to St. Louis flights are approximately 36% more expensive in the morning than at noon
What is the cheapest airline that flies to St. Louis?
Frontier
Frontier, Sun Country Air, and United Airlines are the most popular carriers operating from Portland to St. Louis
What is the cheapest route?
Portland - Lambert-St Louis
Fly from Portland to Lambert-St Louis for the best Portland - St. Louis flight prices
PDX
Portland
STL
Lambert-St Louis
When is the cheapest time to book a flight to St. Louis?
24 days before
The cheapest time to buy a flight from Portland to St. Louis is approximately 24 days to departure
60
Days before departure
0

Easily compare round-trip flights from Portland to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Portland to St. Louis by changing tabs
Cheapest
Best
Quickest
Frontier
Dec 10
PDX
Portland
12h 17m
1 stop
STL
Lambert-St Louis
Dec 13
STL
Lambert-St Louis
7h 35m
1 stop
PDX
Portland
Multiple Airlines
Dec 10
PDX
Portland
22h 07m
2 stops
STL
Lambert-St Louis
Dec 13
STL
Lambert-St Louis
8h 13m
1 stop
PDX
Portland
Multiple Airlines
Dec 10
PDX
Portland
22h 07m
2 stops
STL
Lambert-St Louis
Dec 13
STL
Lambert-St Louis
26h 35m
2 stops
PDX
Portland

Find the cheapest one-way flights from Portland to St. Louis

If you're looking for one-way flights from Portland to St. Louis, view some of our deals below provided by Frontier
Cheapest
Best
Quickest
Frontier
Dec 10
PDX
Portland
12h 17m
1 stop
STL
Lambert-St Louis
Multiple Airlines
Dec 18
PDX
Portland
22h 47m
3 stops
STL
Lambert-St Louis
American Airlines
Dec 22
PDX
Portland
6h 22m
1 stop
STL
Lambert-St Louis

Which airlines flying from Portland to Lambert-St Louis have COVID-19 safety policies in place?

Alaska Airlines, Southwest, and Delta have implemented additional safety measures to accommodate travelers. When flying from Portland to Lambert-St Louis, expect masks to be provided - they are required onboard. Aircrafts are also being cleaned thoroughly with enhanced products regularly. Additional policies include the installation of HEPA filters and pre-flight testing. Some airlines are even offering socially-distanced seating for a limited time. Keep in mind that policies will vary by airline.

Are airlines flying from Portland to Lambert-St Louis offering flexible cancellation due to COVID-19?

Due to the global impact of COVID-19, some of our airline partners operating flights from Portland to Lambert-St Louis, such as Delta, United Airlines, and Frontier may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.


Alternative routes for Portland to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Portland to Kansas City Flights
Fastest flight time
3h 29m
Cheapest price
$153
Eugene to Kansas City Flights
Fastest flight time
5h 22m
Cheapest price
$221
Medford to Kansas City Flights
Fastest flight time
5h 23m
Cheapest price
$278
Eugene to St. Louis Flights
Fastest flight time
6h 38m
Cheapest price
$313
View more

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