Find flights
Deals
When to book
FAQs

Cheap flights from Boston to Madrid, Spain from C$ 423

BOS — MAD
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Madrid

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Madrid

Wed 16/98:05 p.m. -
1 stop15h 35m
Sun 20/911:15 a.m. -
1 stop18h 44m
Deal found 9/9C$ 827
Sat 19/95:10 p.m. -
1 stop16h 25m
Mon 28/92:35 p.m. -
Nonstop8h 00m
Deal found 9/9C$ 834
Wed 16/98:25 p.m. -
1 stop14h 00m
Sat 26/912:45 p.m. -
1 stop12h 30m
Deal found 9/9C$ 837
Sat 26/96:00 a.m. -
1 stop21h 00m
Sat 3/1011:50 a.m. -
1 stop11h 50m
Deal found 9/9C$ 840
Fri 2/108:00 p.m. -
2 stops17h 15m
Sat 10/102:35 p.m. -
Nonstop8h 05m
Deal found 9/9C$ 841
Fri 9/1010:00 p.m. -
1 stop15h 50m
Tue 13/106:20 a.m. -
2 stops23h 39m
Deal found 9/9C$ 844
Fri 20/119:30 p.m. -
1 stop13h 35m
Sun 13/121:55 p.m. -
1 stop11h 45m
Deal found 8/9C$ 847
Sat 19/910:00 p.m. -
1 stop11h 35m
Sat 26/912:45 p.m. -
1 stop12h 30m
Deal found 9/9C$ 848
Wed 4/117:35 p.m. -
Nonstop6h 50m
Fri 13/114:15 p.m. -
Nonstop8h 10m
Deal found 8/9C$ 849
Fri 18/97:00 p.m. -
1 stop11h 10m
Mon 28/92:35 p.m. -
Nonstop8h 00m
Deal found 9/9C$ 851
Mon 26/1011:10 p.m. -
1 stop19h 20m
Mon 2/116:00 p.m. -
2 stops32h 45m
Deal found 8/9C$ 852

Find flight deals from Boston to Madrid

Round-trip from

C$ 827

One-way from

C$ 423

Popular in

December

Cheapest in

January

Average price

C$ 909

Good one-way deal

C$ 496 or less
United Airlines
  • United Airlines
  • 4/10-17/10
  • 4 total stops
  • 36h 57m total
  • Boston to Madrid
Search Deals
British Airways
  • British Airways
  • 8/10-31/12
  • 1 total stop
  • 14h 15m total
  • Boston to Madrid
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Madrid Barajas.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Wed 21/10

10:31 p.m.-11:30 a.m.

Nonstop6h 59m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 426

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Sat 24/10

2:15 p.m.-10:15 a.m.

2 stops14h 00m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 427

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Tue 27/10

5:30 a.m.-7:00 a.m.

1 stop20h 30m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 430

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Mon 12/10

6:50 p.m.-6:50 a.m.

1 stop30h 00m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 430

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Thu 1/10

11:35 a.m.-5:35 a.m.

1 stop12h 00m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Tue 17/11

5:30 a.m.-9:15 a.m.

2 stops21h 45m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Tue 6/10

5:45 a.m.-9:00 a.m.

2 stops21h 15m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Mon 16/11

11:55 a.m.-9:15 a.m.

2 stops15h 20m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Mon 28/9

10:51 a.m.-8:05 a.m.

2 stops15h 14m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Sat 7/11

6:00 a.m.-7:45 a.m.

2 stops19h 45m

Madrid Barajas

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Boston to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Madrid

How far ahead should I book a flight from Boston to Madrid?

To ensure you get the cheapest price possible for a flight from Boston to Madrid, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Madrid?

Currently, January is the cheapest month in which you can book a flight from Boston to Madrid (average of C$ 727). Flying from Boston to Madrid in December is currently the most expensive (average of C$ 1,279). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to MAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Madrid as you normally would.

How much does it cost to fly round-trip from Boston to Madrid?

Airfare is typical for this route at the moment.

Boston to Madrid flights typically cost between C$ 805 and C$ 1,012 in October.
The cheapest round-trip price found within the last 5 days was C$ 827 on United Airlines (4 Oct-17 Oct).

Related info for your journey

  • How popular is this Boston to Madrid flight route?

    Flights from Boston Logan Intl to Madrid Barajas have been viewed 17 times in the past calendar month.

  • How long is the flight from Boston to Madrid?

    Airlines like United Airlines, Delta, and Finnair fly from Boston to Madrid in about 7h 10m. The time it takes to get you to your destination can typically vary by up to 8h 40m. Airlines will cover a distance of 5470 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Boston to Madrid?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Madrid on time: American Airlines (80%), Aer Lingus (80%), Finnair (80%).

  • What are the cheapest flights from Boston to Madrid?

    While on average a flight from Boston to Madrid is generally C$ 496, our data shows the cheapest flight currently is C$ 435. When looking at the most popular route, (Boston Logan Intl - Madrid Barajas), you can expect to pay C$ 896 for that flight.

  • Can I find deals for flights from Boston to Madrid that include hotel bookings?

    Yes. In addition to deals on Boston to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Madrid.

  • Can I find deals for business class flights from Boston to Madrid?

    Yes. Cheapflights offers flight deals from Boston to Madrid by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Madrid?

    Currently, January is the cheapest month in which you can book a flight from Boston to Madrid (average of C$ 727). Flying from Boston to Madrid in December is currently the most expensive (average of C$ 1,279). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Boston to Madrid?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Madrid from Boston today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Boston to Madrid?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Madrid from Boston.

Can Cheapflights find flights from Boston to Madrid with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Boston to Madrid flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Boston to Madrid become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.