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Cheap flights from Boston to Barcelona

Fares from $326 in December 2026. Compare every month below, then book with the site you like.

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Cheapest Boston to Barcelona fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Boston to Barcelona at a glance

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Frequently asked questions

How much is a flight from Boston to Barcelona?
The cheapest fare we found recently is $326 per person, departing Dec 1 on TP. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Boston to Barcelona?
December 2026 is currently the cheapest month, from $326. October 2026 is the most expensive, from $504.
Are there direct flights from Boston to Barcelona?
The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
Which airlines fly from Boston to Barcelona?
The cheapest recent fares on this route were on LX, TP.
How long is the flight from Boston to Barcelona?
Boston and Barcelona are about 3,640 miles apart, so a nonstop flight takes roughly 8h 15m. Flights with a stop take longer, depending on the connection.
Do I need a passport to fly from Boston to Barcelona?
Yes. Barcelona is in Spain, so you need a valid passport, and some countries also ask for a visa or an online travel authorization. Check the entry rules for your nationality before you book.
How do I find the cheapest flight from Boston to Barcelona?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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