Flights to Rila Mountains from Boston - $398

Cheap Flights from Boston to Rila Mountains (BOS-SOF)

Prices were available within the past 7 days and start at $398 for one-way flights and $515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Wed, Aug 20

BOS

Boston

SOF

Sofia

$515 Roundtrip, found 5 hours ago

$515

Roundtrip

found 5 hours ago

Select British Airways flight, departing Tue, Aug 5 from Boston to Sofia, returning Wed, Aug 20, priced at $515 found 5 hours ago

Tue, Aug 19 - Tue, Aug 26

BOS

Boston

SOF

Sofia

$551 Roundtrip, found 1 hour ago

$551

Roundtrip

found 1 hour ago

Select Lufthansa flight, departing Tue, Aug 19 from Boston to Sofia, returning Tue, Aug 26, priced at $551 found 1 hour ago

Tue, Oct 7 - Thu, Oct 16

BOS

Boston

SOF

Sofia

$595 Roundtrip, found 3 days ago

$595

Roundtrip

found 3 days ago

Select Turkish Airlines flight, departing Tue, Oct 7 from Boston to Sofia, returning Thu, Oct 16, priced at $595 found 3 days ago

Tue, Aug 19 - Tue, Aug 26

BOS

Boston

SOF

Sofia

$616 Roundtrip, found 1 hour ago

$616

Roundtrip

found 1 hour ago

Select Austrian Airlines flight, departing Tue, Aug 19 from Boston to Sofia, returning Tue, Aug 26, priced at $616 found 1 hour ago

Mon, Dec 8 - Mon, Mar 9

BOS

Boston

SOF

Sofia

$634 Roundtrip, found 15 hours ago

$634

Roundtrip

found 15 hours ago

Select American Airlines flight, departing Mon, Dec 8 from Boston to Sofia, returning Mon, Mar 9, priced at $634 found 15 hours ago

Tue, Aug 5 - Wed, Nov 5

BOS

Boston

SOF

Sofia

$639 Roundtrip, found 5 days ago

$639

Roundtrip

found 5 days ago

Select United flight, departing Tue, Aug 5 from Boston to Sofia, returning Wed, Nov 5, priced at $639 found 5 days ago