Flights from Boston to Madrid
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From $609 · Prices update daily
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The quick answer
Flights from Boston to Madrid start around $609 round-trip. Airlines on this route include: Iberia, TAP Air Portugal (direct flights available). Cheapest month: September; peak: August (about +15%). Travel authorization required (ESTA-style) (Spain).
Price calendar — next 60 days
★ Cheapest: $609 on Mon, Sep 7 · TP
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Boston to Madrid
Month-by-month lowest fares. Green = cheapest dates.
Flying to Madrid? Compare from other US cities
Sometimes a nearby airport is cheaper. See Madrid fares from other departure cities.
Spain essentials
🟡 Travel authorization required (ESTA-style) · up to 90 days
ETIAS authorization expected to be required for the Schengen Area; visa-free for stays up to 90 days in any 180-day period.
Full Madrid visa guide →🆘 Emergency
112
💱 Currency
Euro (€)
🕐 Time zone
UTC+1
🗣️ Language
Spanish
🔌 Plugs
Type C/F · 230V
🚗 Driving
Right side
💡 Tipping
Small change, round up
📞 Dial code
+34
🏛️ US Embassy
Madrid · +34 91-587-2200
Entry rules can change — always confirm with official sources before booking.
Stay connected in Madrid
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Boston to Madrid trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Madrid
Pre-book your ride into Madrid. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Boston to Madrid flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Boston to Madrid — frequently asked
How much is a flight from Boston to Madrid?+
Fares start around $609 round-trip, ranging up to about $698 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly Boston to Madrid?+
September typically has the lowest fares, while August is the most expensive (around +15%).
Are there direct flights from Boston to Madrid?+
Yes — direct flights are available on this route. Connecting itineraries are often cheaper.
Which airlines fly from Boston to Madrid?+
Carriers on this route include Iberia, TAP Air Portugal. Compare them side by side in the search above.
Do US citizens need a visa for Spain?+
Travel authorization required (ESTA-style) for stays up to 90 days. ETIAS authorization expected to be required for the Schengen Area; visa-free for stays up to 90 days in any 180-day period.
What currency is used in Spain?+
The Euro (EUR, €). The emergency number is 112.
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