Cheap flights from Boston to Madrid
Flights from Boston to Madrid currently start at €357. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 9h
Key facts
- Lowest fare
- €357 · Wed 2 Jun
- Direct flights
- Yes
- Flight time
- 9h
- Airlines
- Iberia, TAP Air Portugal, United Airlines, Aer Lingus
- Cheapest month
- June 2027
- Distance
- 5475 km
Round trip
One way
Questions people ask before they book
How much are flights from Boston to Madrid?
The lowest fare we currently show from Boston to Madrid is €357 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from Boston to Madrid?
Yes. Direct flights from Boston to Madrid show up in current fares. Filter by Direct when you search to hide connections.
Which airlines fly from Boston to Madrid?
Airlines showing fares on this route include Iberia, TAP Air Portugal, United Airlines, Aer Lingus. The cheapest airline is not always the one with a bag included.
How long is the flight from Boston to Madrid?
A typical itinerary from Boston to Madrid takes about 9h, including connections when the cheapest fare is not direct.
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June 2027