Cheap flights from Boston to Madrid
Cheap return flights from Boston to Madrid
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Madrid flight facts
What you need to know
What are the cheapest airlines?
- Iberia
- American Airlines
- Norwegian Air
These airlines usually offer the cheapest flights from Boston to Madrid.
What airlines fly indirectly?
- British Airways
- Air France
- Lufthansa
These airlines fly from Boston to Madrid, but you’ll have at least one layover.
How long is the flight?
7 hours 30 minutes
This is the shortest flight time from Boston to Madrid.
Alternative flights from the UK to Madrid
Check out prices for other routes
Alternative flights from Boston
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Boston/Madrid route. There are around 35 flights on any given week from the UK to Madrid and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Boston to Madrid
Tips and advice from our flight experts
You've searched for flights from Boston to Madrid. We've found 25 flights and compared them to give you the best offer. Iberia is, on average, the cheapest airline for this route, so keep an eye out for them. The cheapest offer we've found is a one-way ticket from Boston to Madrid for £64 on 12/06/2026 at 23:15.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 5,600 km flight from Boston to Madrid.
To find the best offers, consider booking 2-3 months in advance or look for last-minute deals. Traveling during the shoulder seasons (spring and fall) can also save you money. Norwegian Air is a popular budget option for this route, and the average flight duration is about 7 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Madrid
Where other people are flying to
