$504 Cheap United flights Boston (BOS) to Sofia (SOF)

$504 Cheap United flights Boston (BOS) to Sofia (SOF)

Prices were available within the past 7 days and start at $504 for one-way flights and $875 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

$875 Roundtrip, found 15 hours ago

$875

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $875 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$878 Roundtrip, found 15 hours ago

$878

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $878 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$879 Roundtrip, found 15 hours ago

$879

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $879 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$882 Roundtrip, found 15 hours ago

$882

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $882 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$882 Roundtrip, found 15 hours ago

$882

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $882 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$887 Roundtrip, found 15 hours ago

$887

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $887 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$896 Roundtrip, found 15 hours ago

$896

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $896 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$898 Roundtrip, found 15 hours ago

$898

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $898 found 15 hours ago

Tue, Nov 3 - Sat, Dec 19

BOS

Boston

SOF

Sofia

$901 Roundtrip, found 15 hours ago

$901

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Nov 3 from Boston to Sofia, returning Sat, Dec 19, priced at $901 found 15 hours ago