Cheap flights from Boston to Sé

View AU$373 flight on Wed, 12 Nov. 2025Opens in a new window

Popular airlines from Boston to Sé

  • TAP Portugal

    TAP Portugal

  • United

    United

  • American Airlines

    American Airlines

  • Air France

    Air France

  • British Airways

    British Airways

  • Iberia

    Iberia

  • KLM

    KLM

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Cheap Flights from Boston (BOS) to Sé (OPO)

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.

United
Sun, 26 Oct. - Fri, 7 Nov.
BOS
Boston
OPO
Porto
AU$551 Return, found 6 hours ago
AU$551
Return
found 6 hours ago
Select United flight, departing Sun, 26 Oct. from Boston to Porto, returning Fri, 7 Nov., priced at AU$551 found 6 hours ago
United
Sun, 26 Oct. - Wed, 12 Nov.
BOS
Boston
OPO
Porto
AU$553 Return, found 6 hours ago
AU$553
Return
found 6 hours ago
Select United flight, departing Sun, 26 Oct. from Boston to Porto, returning Wed, 12 Nov., priced at AU$553 found 6 hours ago
Lufthansa
Wed, 29 Oct. - Mon, 10 Nov.
BOS
Boston
OPO
Porto
AU$662 Return, found 6 hours ago
AU$662
Return
found 6 hours ago
Select Lufthansa flight, departing Wed, 29 Oct. from Boston to Porto, returning Mon, 10 Nov., priced at AU$662 found 6 hours ago
TAP Portugal
Thu, 30 Oct. - Sun, 9 Nov.
BOS
Boston
OPO
Porto
AU$720 Return, found 6 hours ago
AU$720
Return
found 6 hours ago
Select TAP Portugal flight, departing Thu, 30 Oct. from Boston to Porto, returning Sun, 9 Nov., priced at AU$720 found 6 hours ago
British Airways
Wed, 29 Oct. - Mon, 10 Nov.
BOS
Boston
OPO
Porto
AU$738 Return, found 6 hours ago
AU$738
Return
found 6 hours ago
Select British Airways flight, departing Wed, 29 Oct. from Boston to Porto, returning Mon, 10 Nov., priced at AU$738 found 6 hours ago
Swiss International Air Lines
Wed, 29 Oct. - Mon, 10 Nov.
BOS
Boston
OPO
Porto
AU$738 Return, found 6 hours ago
AU$738
Return
found 6 hours ago
Select Swiss International Air Lines flight, departing Wed, 29 Oct. from Boston to Porto, returning Mon, 10 Nov., priced at AU$738 found 6 hours ago

Find the cheapest month to fly from Boston (BOS) to Porto (OPO)

November is typically the cheapest month to fly

From AU$481 - AU$1,075 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.