Latest Flight Deals from Boise to St. Louis
Book one-way or return flights from Boise to St. Louis from as little as £44. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- BOI20:4612h 27m1 stopSTL10:13Wed, May 15|Boise - St. Louis|Spirit Airlines£44£23281% OFF81% OFF£232£44
- BOI20:5012h 23m1 stopSTL10:13Thu, May 16|Boise - St. Louis|Spirit Airlines£60£23274% OFF74% OFF£232£60
- BOI20:5017h 24m1 stopSTL15:14Thu, May 9|Boise - St. Louis|Spirit Airlines£84£23264% OFF64% OFF£232£84
- BOI00:597h 30m1 stopSTL09:29Wed, Jul 10|Boise - St. Louis|American Airlines£122£122
- BOI05:009h 39m1 stopSTL15:39Wed, May 15|Boise - St. Louis|United Airlines£137£137
- BOI10:109h 53m1 stopSTL21:03Mon, May 13|Boise - St. Louis|Alaska Airlines£147£147
- BOI05:406h 56m1 stopSTL13:36Sat, May 18|Boise - St. Louis|Alaska Airlines£148£148
- BOI17:155h 41m1 stopSTL23:56Sat, May 18|Boise - St. Louis|American Airlines£156£156
- BOI05:008h 32m1 stopSTL14:32Thu, Jun 20|Boise - St. Louis|United Airlines£180£180
- BOI14:375h 32m1 stopSTL21:09Sat, May 18|Boise - St. Louis|United Airlines£181£181
- BOI13:003h 5mDirectSTL14:00Sun, May 12|Boise - St. Louis|Spirit 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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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Boise to St. Louis.
- CheapestBOI20:4612h 27m1 transferSTL10:13Boise Airport - St. Louis Lambert International AirportWed, May 15Spirit Airlines£44
- BOI20:4612h 27m1 transferSTL10:13Boise Airport - St. Louis Lambert International AirportWed, May 15Spirit Airlines£44Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Boise to St. Louis
Cheapest direct flight price | £43 |
---|---|
Cheapest month | May |
Peak season for travel | November |
Flight distance | 2,240.39km |
Popular airline | American Airlines |
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