Flights from Chicago to Resen

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 11 - Tue, Jun 24

ORD

O'Hare Intl.

SOF

Sofia

$903 Roundtrip, found 1 day ago

$903

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jun 11 from O'Hare Intl. to Sofia, returning Tue, Jun 24, priced at $903 found 1 day ago

Wed, Jun 11 - Mon, Jun 23

ORD

O'Hare Intl.

SOF

Sofia

$904 Roundtrip, found 1 day ago

$904

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jun 11 from O'Hare Intl. to Sofia, returning Mon, Jun 23, priced at $904 found 1 day ago

Tue, Jun 17 - Mon, Jun 23

ORD

O'Hare Intl.

SOF

Sofia

$919 Roundtrip, found 1 day ago

$919

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Jun 17 from O'Hare Intl. to Sofia, returning Mon, Jun 23, priced at $919 found 1 day ago

Wed, Jun 11 - Fri, Jun 20

ORD

O'Hare Intl.

SOF

Sofia

$920 Roundtrip, found 1 day ago

$920

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jun 11 from O'Hare Intl. to Sofia, returning Fri, Jun 20, priced at $920 found 1 day ago

Thu, Jun 12 - Wed, Jun 18

ORD

O'Hare Intl.

SOF

Sofia

$975 Roundtrip, found 1 day ago

$975

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jun 12 from O'Hare Intl. to Sofia, returning Wed, Jun 18, priced at $975 found 1 day ago

Thu, Jun 12 - Mon, Jun 23

ORD

O'Hare Intl.

SOF

Sofia

$983 Roundtrip, found 1 day ago

$983

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Thu, Jun 12 from O'Hare Intl. to Sofia, returning Mon, Jun 23, priced at $983 found 1 day ago

Mon, Jun 16 - Tue, Jun 24

ORD

O'Hare Intl.

SOF

Sofia

$999 Roundtrip, found 1 day ago

$999

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jun 16 from O'Hare Intl. to Sofia, returning Tue, Jun 24, priced at $999 found 1 day ago

Tue, Jun 17 - Tue, Jun 24

ORD

O'Hare Intl.

SOF

Sofia

$1,005 Roundtrip, found 1 day ago

$1,005

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jun 17 from O'Hare Intl. to Sofia, returning Tue, Jun 24, priced at $1,005 found 1 day ago

Mon, Jun 16 - Mon, Jun 23

ORD

O'Hare Intl.

SOF

Sofia

$1,013 Roundtrip, found 1 day ago

$1,013

Roundtrip

found 1 day ago

Select Swiss International Air Lines flight, departing Mon, Jun 16 from O'Hare Intl. to Sofia, returning Mon, Jun 23, priced at $1,013 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,038 Roundtrip, found 1 day ago

$1,038

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,038 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,042 Roundtrip, found 1 day ago

$1,042

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,042 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,045 Roundtrip, found 1 day ago

$1,045

Roundtrip

found 1 day ago

Select Air Canada flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,045 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,049 Roundtrip, found 1 day ago

$1,049

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,049 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,167 Roundtrip, found 1 day ago

$1,167

Roundtrip

found 1 day ago

Select Lufthansa flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,167 found 1 day ago

Sat, Jun 14 - Wed, Jun 18

ORD

O'Hare Intl.

SOF

Sofia

$1,189 Roundtrip, found 1 day ago

$1,189

Roundtrip

found 1 day ago

Select LOT-Polish Airlines flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Wed, Jun 18, priced at $1,189 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,370 Roundtrip, found 1 day ago

$1,370

Roundtrip

found 1 day ago

Select Austrian Airlines flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,370 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,487 Roundtrip, found 1 day ago

$1,487

Roundtrip

found 1 day ago

Select Turkish Airlines flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,487 found 1 day ago

Sun, Jun 15 - Fri, Jun 20

ORD

O'Hare Intl.

SOF

Sofia

$1,524 Roundtrip, found 1 day ago

$1,524

Roundtrip

found 1 day ago

Select ITA Airways flight, departing Sun, Jun 15 from O'Hare Intl. to Sofia, returning Fri, Jun 20, priced at $1,524 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,534 Roundtrip, found 1 day ago

$1,534

Roundtrip

found 1 day ago

Select KLM flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,534 found 1 day ago

Sat, Jun 14 - Sat, Jun 21

ORD

O'Hare Intl.

SOF

Sofia

$1,557 Roundtrip, found 1 day ago

$1,557

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Sat, Jun 14 from O'Hare Intl. to Sofia, returning Sat, Jun 21, priced at $1,557 found 1 day ago