- 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 Koh Samui (BOS-USM)
Prices were available within the past 7 days and start at $606 for one-way flights and $1,071 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Mar 4 - Tue, Mar 18
BOS
Boston
USM
Ko Samui
$1,071 Roundtrip, found 4 days ago
$1,071
Roundtrip
found 4 days ago
Tue, Sep 17 - Fri, Sep 27
BOS
Boston
USM
Ko Samui
$1,071 Roundtrip, found 1 day ago
$1,071
Roundtrip
found 1 day ago
Fri, Oct 4 - Wed, Oct 9
BOS
Boston
USM
Ko Samui
$1,265 Roundtrip, found 6 days ago
$1,265
Roundtrip
found 6 days ago
Fri, Aug 30 - Mon, Sep 16
BOS
Boston
USM
Ko Samui
$1,483 Roundtrip, found 1 day ago
$1,483
Roundtrip
found 1 day ago
Wed, Oct 9 - Tue, Oct 15
BOS
Boston
USM
Ko Samui
$1,540 Roundtrip, found 4 days ago
$1,540
Roundtrip
found 4 days ago
Wed, Oct 9 - Tue, Oct 15
BOS
Boston
USM
Ko Samui
$1,957 Roundtrip, found 4 days ago
$1,957
Roundtrip
found 4 days ago
Expedia's Latest Trends
Flights
Flights from Las Vegas to AnaheimFlights from Seattle to MauiFlights from Philadelphia to IrvineFlights from Maui to HonoluluFlights from Providence to BentonvilleFlights 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 Denver to BentonvilleFlights from Orlando to GatlinburgFlights from Phoenix to AnaheimFlights from Chicago to AnaheimFlights from Rapid City to RedmondFlights 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.