Cheap flights from Boston to São Simão Trail

View AU$435 flight on Mon, 20 Oct. 2025Opens in a new window

Popular airlines from Boston to São Simão Trail

  • Air France

    Air France

  • British Airways

    British Airways

  • Aer Lingus

    Aer Lingus

  • Iberia

    Iberia

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to São Simão Trail (LIS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, 27 Nov. - Sun, 30 Nov.
BOS
Boston
LIS
Lisbon
AU$717 Return, found 5 days ago
AU$717
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Thu, 27 Nov. from Boston to Lisbon, returning Sun, 30 Nov., priced at AU$717 found 5 days ago
Air Canada
Mon, 8 Sep. - Wed, 24 Sep.
BOS
Boston
LIS
Lisbon
AU$769 Return, found 1 day ago
AU$769
Return
found 1 day ago
Select Air Canada flight, departing Mon, 8 Sep. from Boston to Lisbon, returning Wed, 24 Sep., priced at AU$769 found 1 day ago
United
Mon, 8 Sep. - Wed, 24 Sep.
BOS
Boston
LIS
Lisbon
AU$775 Return, found 1 day ago
AU$775
Return
found 1 day ago
Select United flight, departing Mon, 8 Sep. from Boston to Lisbon, returning Wed, 24 Sep., priced at AU$775 found 1 day ago
TAP Portugal
Mon, 8 Sep. - Wed, 24 Sep.
BOS
Boston
LIS
Lisbon
AU$795 Return, found 1 day ago
AU$795
Return
found 1 day ago
Select TAP Portugal flight, departing Mon, 8 Sep. from Boston to Lisbon, returning Wed, 24 Sep., priced at AU$795 found 1 day ago
Swiss International Air Lines
Tue, 9 Sep. - Tue, 16 Sep.
BOS
Boston
LIS
Lisbon
AU$795 Return, found 3 days ago
AU$795
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 9 Sep. from Boston to Lisbon, returning Tue, 16 Sep., priced at AU$795 found 3 days ago
Aer Lingus
Tue, 9 Sep. - Tue, 16 Sep.
BOS
Boston
LIS
Lisbon
AU$812 Return, found 3 days ago
AU$812
Return
found 3 days ago
Select Aer Lingus flight, departing Tue, 9 Sep. from Boston to Lisbon, returning Tue, 16 Sep., priced at AU$812 found 3 days ago

Find the cheapest month to fly from Boston (BOS) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$520 - AU$1,109 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.