Flights to Tras-os-Montes from Boston - ￥43,220

View ￥43,220 flight on Mon, Sep 29, 2025Opens in a new window

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Cheap Flights from Boston to Tras-os-Montes (BOS-OPO)

Prices were available within the past 7 days and start at ￥43,220 for one-way flights and ￥62,290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 22 - Wed, Oct 1
BOS
Boston
OPO
Porto
￥62,290 Roundtrip, found 3 days ago
￥62,290
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Boston to Porto, returning Wed, Oct 1, priced at ￥62,290 found 3 days ago
United
Mon, Sep 22 - Wed, Oct 1
BOS
Boston
OPO
Porto
￥62,320 Roundtrip, found 3 days ago
￥62,320
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 22 from Boston to Porto, returning Wed, Oct 1, priced at ￥62,320 found 3 days ago
Swiss International Air Lines
Mon, Sep 22 - Wed, Oct 1
BOS
Boston
OPO
Porto
￥63,528 Roundtrip, found 3 days ago
￥63,528
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Sep 22 from Boston to Porto, returning Wed, Oct 1, priced at ￥63,528 found 3 days ago
Lufthansa
Mon, Sep 22 - Wed, Oct 1
BOS
Boston
OPO
Porto
￥67,820 Roundtrip, found 3 days ago
￥67,820
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Sep 22 from Boston to Porto, returning Wed, Oct 1, priced at ￥67,820 found 3 days ago
Delta
Wed, Aug 13 - Wed, Aug 20
BOS
Boston
OPO
Porto
￥95,140 Roundtrip, found 1 day ago
￥95,140
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 13 from Boston to Porto, returning Wed, Aug 20, priced at ￥95,140 found 1 day ago
British Airways
Wed, Aug 13 - Sun, Aug 17
BOS
Boston
OPO
Porto
￥95,830 Roundtrip, found 1 day ago
￥95,830
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Aug 13 from Boston to Porto, returning Sun, Aug 17, priced at ￥95,830 found 1 day ago
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