Cheapest return flights from Madrid to Boston in May from 400€

AirHint found the following cheapest return flights from Madrid (MAD) to Boston (BOS) in May 2026 (see full year).

Return flights

07 May - 25 May Finnair direct
04 May - 11 May Iberia
18 May - 28 May Iberia
07 May - 10 May Iberia
04 May - 10 May Iberia
01 May - 12 May British Airways
17 May - 27 May Iberia
14 May - 25 May Finnair direct
07 May - 14 May Iberia direct
21 May - 28 May Iberia direct
08 May - 11 Jun Iberia
21 May - 01 Jun Iberia direct
12 May - 18 Jun Iberia
08 May - 11 Jun Air France direct
27 May - 10 Jun jetBlue
27 May - 10 Jun Iberia direct
27 May - 03 Jun Iberia direct
25 May - 01 Jun Iberia
23 May - 08 Jun KLM direct
28 May - 06 Jun Iberia direct

Also check the deals for one-way flights from Madrid to Boston in May.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Boston

Cheap car rent in Boston

Feel free to contact us with any feedback or request another flight research.