$824 Cheap United flights Lisbon (LIS) to Boston (BOS)

$824 Cheap United flights Lisbon (LIS) to Boston (BOS)

Prices were available within the past 7 days and start at $824 for one-way flights and $652 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Tue, May 5

LIS

Lisbon

BOS

Boston

$652 Roundtrip, found 9 hours ago

$652

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Apr 7 from Lisbon to Boston, returning Tue, May 5, priced at $652 found 9 hours ago

Tue, Dec 9 - Mon, Jan 5

LIS

Lisbon

BOS

Boston

$652 Roundtrip, found 9 hours ago

$652

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Dec 9 from Lisbon to Boston, returning Mon, Jan 5, priced at $652 found 9 hours ago

Tue, Apr 7 - Tue, May 5

LIS

Lisbon

BOS

Boston

$660 Roundtrip, found 9 hours ago

$660

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Apr 7 from Lisbon to Boston, returning Tue, May 5, priced at $660 found 9 hours ago

Tue, Apr 7 - Tue, May 5

LIS

Lisbon

BOS

Boston

$661 Roundtrip, found 9 hours ago

$661

Roundtrip

found 9 hours ago

Select United flight, departing Tue, Apr 7 from Lisbon to Boston, returning Tue, May 5, priced at $661 found 9 hours ago

Fri, Dec 12 - Sat, Jan 3

LIS

Lisbon

BOS

Boston

$669 Roundtrip, found 9 hours ago

$669

Roundtrip

found 9 hours ago

Select United flight, departing Fri, Dec 12 from Lisbon to Boston, returning Sat, Jan 3, priced at $669 found 9 hours ago