Find cheap flights from Porto to St. Louis starting at $523.
Book one-way or return flights from Porto to St. Louis from as little as $523. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- OPO06:5021h 47m1 stopSTL22:37Thu, Jun 27|Porto - St. Louis|Sata International$523$1,36462% OFF62% OFF$1,364$523
- OPO06:5019h 23m1 stopSTL20:13Thu, Jul 4|Porto - St. Louis|Sata International$543$1,36460% OFF60% OFF$1,364$543
- OPO08:4018h 25m1 stopSTL21:05Wed, Jul 3|Porto - St. Louis|Air Transat$561$1,36459% OFF59% OFF$1,364$561
- OPO13:3012h 31m1 stopSTL20:01Thu, Jul 4|Porto - St. Louis|Air Transat$581$581
- OPO13:3031h 51m1 stopSTL15:21Sat, Jun 29|Porto - St. Louis|Air Transat$653$653
- OPO06:5021h 47m1 stopSTL22:37Thu, Aug 1|Porto - St. Louis|Sata International$670$670
- OPO13:3012h 31m1 stopSTL20:01Mon, Jul 1|Porto - St. Louis|Air Transat$696$696
- OPO13:3012h 31m1 stopSTL20:01Sat, Jul 6|Porto - St. Louis|Air Transat$782$782
- OPO18:0534h 32m1 stopSTL22:37Sun, Jun 30|Porto - St. Louis|TAP Air Portugal$854$854
- OPO13:3012h 31m1 stopSTL20:01Thu, Aug 1|Porto - St. Louis|Air Transat$877$877
- OPO13:003h 5mDirectSTL14:00Sun, Jun 16|Porto - St. Louis|Sata InternationalFind 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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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Porto to St. Louis.
- CheapestOPO06:5021h 47m1 transferSTL22:37Francisco Sa Carneiro International Airport - St. Louis Lambert International AirportThu, Jun 27Sata International$523
- OPO06:5021h 47m1 transferSTL22:37Francisco Sa Carneiro International Airport - St. Louis Lambert International AirportThu, Jun 27Sata International$523Find More Flights
Frequently Asked Questions
How to find a cheap flight from Porto to St. Louis
Cheapest nonstop flight price | $522 |
---|---|
Off-season for travel | May |
Peak season for travel | December |
Flight distance | 6,685.08km |
Popular airline | American Airlines |
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