Find Portland to St. Louis flights starting at €46.
Book one-way or return flights from Portland to St. Louis from as little as €46. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PDX00:489h 2m1 stopSTL11:50Tue, Aug 20|Portland - St. Louis|Frontier Airlines€46€9351% OFF51% OFF€93€46
- PDX00:489h 2m1 stopSTL11:50Tue, Sep 3|Portland - St. Louis|Frontier Airlines€46€9350% OFF50% OFF€93€46
- PDX16:3015h 48m1 stopSTL10:18Wed, Aug 28|Portland - St. Louis|Frontier Airlines€48€9348% OFF48% OFF€93€48
- PDX00:496h 36m1 stopSTL09:25Wed, Jul 24|Portland - St. Louis|Frontier Airlines€62€62
- PDX00:486h 49m1 stopSTL09:37Fri, Aug 23|Portland - St. Louis|Frontier Airlines€65€65
- PDX07:3124h 6m1 stopSTL09:37Tue, Sep 3|Portland - St. Louis|Alaska Airlines€69€69
- PDX16:3015h 48m1 stopSTL10:18Tue, Aug 13|Portland - St. Louis|Frontier Airlines€70€70
- PDX11:437h 48m1 stopSTL21:31Tue, Jul 16|Portland - St. Louis|Frontier Airlines€73€73
- PDX00:287h 1m1 stopSTL09:29Wed, Jul 3|Portland - St. Louis|Frontier Airlines€76€76
- PDX00:496h 36m1 stopSTL09:25Wed, Jul 17|Portland - St. Louis|Frontier Airlines€78€78
- PDX13:003h 5mDirectSTL14:00Tue, Jul 2|Portland - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to St. Louis.
- CheapestPDX00:489h 2m1 transferSTL11:50Portland International Airport - St. Louis Lambert International AirportTue, Aug 20Frontier Airlines€46
- PDX00:489h 2m1 transferSTL11:50Portland International Airport - St. Louis Lambert International AirportTue, Aug 20Frontier Airlines€46Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Portland to St. Louis
Cheapest direct flight price | €45 |
---|---|
Cheapest month | June |
Peak season for travel | December |
Flight distance | 2,763.15km |
Average flight time | 5 hours 35 minutes |
Popular airline | American Airlines |
Plan Your Trip Around St. Louis
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