Our cheapest offers for flights from Boston to Lisbon

Here you can compare cheap flights from Boston (BOS) to Lisbon (LIS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Lisbon. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Boston Lisbon	Outbound 05/16/26 1 Stopover (OPO) TP0228, TP1935 19h 00min	Return 05/29/26 direct TP0215 07h 40min	TAP Air Portugal		$748
Best option Boston Lisbon	Outbound 05/16/26 direct TP0216 06h 35min	Return 05/29/26 direct TP0215 07h 40min	TAP Air Portugal	?	$920
Boston Lisbon	Outbound 05/16/26 1 Stopover (IST) TK0082, TK1779 20h 40min	Return 05/29/26 1 Stopover (IST) TK1780, TK0081 18h 55min	Turkish Airlines		$804
Boston Lisbon Please note: transfer for connecting flight	Outbound 03/28/26 3 Stopovers (YUL, YHZ, LHR, STN) AC8603, AC2044, AC0868, FR0715 23h 05min	Return 04/25/26 3 Stopovers (DUB, YYZ, YUL) FR7329, WS0047, AC0432, AC0748 41h 34min	Air Canada, Ryanair		$810
Boston Lisbon	Outbound 05/16/26 1 Stopover (OPO) TP0228, TP1931 14h 45min	Return 05/29/26 direct TP0215 07h 40min	TAP Air Portugal		$758
Boston Lisbon	Outbound 05/16/26 1 Stopover (OPO) TP0228, TP1935 19h 00min	Return 05/29/26 direct TP0215 07h 40min	TAP Air Portugal		$764
Boston Lisbon	Outbound 03/28/26 1 Stopover (CPH) SK0928, SK2803 23h 30min	Return 04/25/26 1 Stopover (CPH) SK8906, SK0927 32h 25min	SAS Scandinavian Airlines	?	$766
Boston Lisbon	Outbound 05/16/26 2 Stopovers (YHZ, LHR, LTN) UA8482, UA8298, U22465 45h 30min	Return 05/29/26 2 Stopovers (GVA, LHR) U27641, BA0745, IB3600 21h 35min	United Airlines, easyJet	?	$776
Boston Lisbon	Outbound 07/26/26 1 Stopover (MAD) IB0346, IB1143 13h 45min	Return 08/05/26 1 Stopover (MAD) IB0532, IB0345 12h 20min	Iberia	?	$786
Boston Lisbon	Outbound 05/16/26 1 Stopover (OPO) TP0228, TP1929 12h 45min	Return 05/29/26 direct TP0215 07h 40min	TAP Air Portugal	?	$799

Tips and tricks to help you find cheap flights from Boston to Lisbon

Important flight information

Flight information: Boston - Lisbon

Roundtrip from	747,10 $US
Flight duration	min. 06:20 / max. 06:50
Return flight duration	min. 07:35/ max. 08:15
Distance	5130 km
Flights per week	8
Departure airport	Airport Boston Logan International Airport, MA (BOS)
Arrival airport	Airport Lisbon (LIS)
Destination country	Flights to Portugal

Alternative routes to Portugal

Flight Boston - Ponta Delgada from 665 $US

Alternative flights to Lisbon

Flight Atlanta - Lisbon from 588 $US
Flight Charlotte - Lisbon from 582 $US
Flight Newark - Lisbon from 600 $US
Flight New York - Lisbon from 600 $US
Flight San Francisco - Lisbon from 680 $US
Flight Miami - Lisbon from 468 $US

Flight Routes from Boston to Lisbon