$475 Cheap United flights Boston (BOS) to Sofia (SOF)

$475 Cheap United flights Boston (BOS) to Sofia (SOF)

Prices were available within the past 7 days and start at $475 for one-way flights and $714 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$714 Roundtrip, found 1 day ago

$714

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $714 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$732 Roundtrip, found 1 day ago

$732

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $732 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$737 Roundtrip, found 1 day ago

$737

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $737 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$740 Roundtrip, found 1 day ago

$740

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $740 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$760 Roundtrip, found 1 day ago

$760

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $760 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$801 Roundtrip, found 1 day ago

$801

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $801 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$801 Roundtrip, found 1 day ago

$801

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $801 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$804 Roundtrip, found 1 day ago

$804

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $804 found 1 day ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$805 Roundtrip, found 1 day ago

$805

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $805 found 1 day ago