- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Boston to Flagstaff (BOS-FLG)
Prices were available within the past 7 days and start at $224 for one-way flights and $444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Wed, Jul 17 - Thu, Jul 18
BOS
Boston
FLG
Flagstaff
$444 Roundtrip, found 15 hours ago
$444
Roundtrip
found 15 hours ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Sat, Jul 27 - Tue, Jul 30
BOS
Boston
FLG
Flagstaff
$446 Roundtrip, found 5 days ago
$446
Roundtrip
found 5 days ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Wed, Jul 17 - Thu, Jul 18
BOS
Boston
FLG
Flagstaff
$447 Roundtrip, found 15 hours ago
$447
Roundtrip
found 15 hours ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Wed, Jul 17 - Thu, Jul 18
BOS
Boston
FLG
Flagstaff
$453 Roundtrip, found 15 hours ago
$453
Roundtrip
found 15 hours ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Wed, Jul 10 - Mon, Jul 15
BOS
Boston
FLG
Flagstaff
$456 Roundtrip, found 2 days ago
$456
Roundtrip
found 2 days ago
![American Airlines](http://images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)
Thu, Jul 25 - Mon, Jul 29
BOS
Boston
FLG
Flagstaff
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Nearby Cities
Expedia's Latest Trends
Flights
Flights from Las Vegas to AnaheimFlights from Seattle to MauiFlights from Grand Junction to San JuanFlights from Philadelphia to IrvineFlights from Philadelphia to AnaheimFlights from New York to Yellowstone National ParkFlights from San Francisco to South Lake TahoeFlights from Los Angeles to ShenyangFlights from Honolulu to MauiFlights from Houston to OconomowocFlights from Chicago to South Lake TahoeFlights from Los Angeles to San Miguel de AllendeFlights from Boston to ProvidencialesFlights from Denver to BentonvilleFlights from Charlotte to Isla HolboxFlights from Orlando to GatlinburgFlights from Phoenix to AnaheimFlights from Chicago to AnaheimFlights from Denver to AnaheimFlights from Houston to BentonvilleFlights from Spokane to MauiFlights from Phoenix to Rochelle ParkFlights from Los Angeles to Machu PicchuFlights from Anchorage to MauiFlights from Seattle to AnaheimFlights from Las Vegas to MauiFlights from Minneapolis - St. Paul to AnaheimFlights from Los Angeles to Paradise IslandFlights from Houston to AnaheimFlights from Boston to Anaheim
*Available to One Key members.