Cheap Flights from Portland to St. Louis starting at S$ 80
Book one-way or return flights from Portland to St. Louis from as little as S$ 80. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- PDX00:5912h 51m1 stopSTL15:50Tue, Apr 30|Portland - St. Louis|Frontier AirlinesS$ 80S$ 18256% OFF56% OFFS$ 182S$ 80
- PDX00:496h 58m1 stopSTL09:47Sat, May 4|Portland - St. Louis|Frontier AirlinesS$ 82S$ 18255% OFF55% OFFS$ 182S$ 82
- PDX00:5912h 51m1 stopSTL15:50Tue, May 7|Portland - St. Louis|Frontier AirlinesS$ 90S$ 18251% OFF51% OFFS$ 182S$ 90
- PDX13:5912h 9m1 stopSTL04:08Wed, May 8|Portland - St. Louis|Spirit AirlinesS$ 94S$ 94
- PDX00:596h 48m1 stopSTL09:47Wed, May 8|Portland - St. Louis|Frontier AirlinesS$ 95S$ 95
- PDX00:596h 48m1 stopSTL09:47Wed, May 15|Portland - St. Louis|Frontier AirlinesS$ 99S$ 99
- PDX18:5113h 22m1 stopSTL10:13Mon, May 20|Portland - St. Louis|Spirit AirlinesS$ 115S$ 115
- PDX10:1022h 8m1 stopSTL10:18Mon, May 6|Portland - St. Louis|Frontier AirlinesS$ 116S$ 116
- PDX10:1522h 3m1 stopSTL10:18Sun, May 12|Portland - St. Louis|Frontier AirlinesS$ 116S$ 116
- PDX22:1611h 23m1 stopSTL11:39Fri, May 3|Portland - St. Louis|Frontier AirlinesS$ 118S$ 118
- PDX13:003h 5mDirectSTL14:00Sun, May 5|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.
- CheapestPDX00:5912h 51m1 transferSTL15:50Portland International Airport - St. Louis Lambert International AirportTue, Apr 30Frontier AirlinesS$ 80
- PDX00:5912h 51m1 transferSTL15:50Portland International Airport - St. Louis Lambert International AirportTue, Apr 30Frontier AirlinesS$ 80Find More Flights
Frequently Asked Questions
How to find a cheap flight from Portland to St. Louis
Cheapest direct flight price | S$ 79 |
---|---|
Cheapest month | April |
Peak season for travel | October |
Flight distance | 2,763.15km |
Popular airline | Alaska Airlines |
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