Find the Cheapest Flights from Boston to Portugal

Unlock the cheapest flights and the best airfares from Boston to Portugal. Make your dream trip both memorable and affordable!

Tue, Apr 14BOS-PDL
SATA

oneway$262

Mon, Oct 19BOS-LIS
Miami Air International

oneway$266

Fri, May 22BOS-OPO
Porter Airlines

oneway$470

Wed, Sep 9BOS-LIS
TAP Portugal

$593

Sun, May 17BOS-PDL
SATA

$638

Sat, May 16BOS-OPO
Iberia

$764

Tue, Jun 23BOS-FNC
Air Canada

$1,079

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Boston to Portugal: Flight information

Cheapest flight found$262

Cheapest month to flyApril

Most popular airlineSATA

Average flight duration12h 10m

Cheapest flight found

Oct 2026

$266

Mar 2026

$404

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