Flights to Fiesta Island from Boston - ￥17,410

View ￥17,410 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Boston to Fiesta Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston to Fiesta Island (BOS-SAN)

Prices were available within the past 7 days and start at ￥17,410 for one-way flights and ￥36,110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 25 - Sat, Nov 1
BOS
Boston
SAN
San Diego
￥36,110 Roundtrip, found 4 days ago
￥36,110
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Boston to San Diego, returning Sat, Nov 1, priced at ￥36,110 found 4 days ago
Delta
Tue, Sep 16 - Sat, Sep 20
BOS
Boston
SAN
San Diego
￥36,250 Roundtrip, found 1 day ago
￥36,250
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 16 from Boston to San Diego, returning Sat, Sep 20, priced at ￥36,250 found 1 day ago
American Airlines
Tue, Sep 16 - Sat, Sep 20
BOS
Boston
SAN
San Diego
￥37,020 Roundtrip, found 1 day ago
￥37,020
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 16 from Boston to San Diego, returning Sat, Sep 20, priced at ￥37,020 found 1 day ago
American Airlines
Tue, Sep 16 - Sat, Sep 20
BOS
Boston
SAN
San Diego
￥37,570 Roundtrip, found 1 day ago
￥37,570
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 16 from Boston to San Diego, returning Sat, Sep 20, priced at ￥37,570 found 1 day ago
Delta
Thu, Aug 14 - Tue, Aug 19
BOS
Boston
SAN
San Diego
￥37,610 Roundtrip, found 1 day ago
￥37,610
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 14 from Boston to San Diego, returning Tue, Aug 19, priced at ￥37,610 found 1 day ago
United
Sat, Oct 25 - Sat, Nov 1
BOS
Boston
SAN
San Diego
￥43,340 Roundtrip, found 4 days ago
￥43,340
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 25 from Boston to San Diego, returning Sat, Nov 1, priced at ￥43,340 found 4 days ago

Find the cheapest month to fly from Boston (BOS) to San Diego (SAN)

August is typically the cheapest month to fly

From ￥17,292 - ￥40,547 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.