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Cheap flights from Boston to Madrid, Spain from C$ 436

BOS — MAD
24 Nov — 1 Dec1
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 4/115:30 p.m. -
1 stop9h 20m
Thu 12/114:15 p.m. -
Nonstop8h 10m
Deal found 21/10C$ 518
Mon 9/1112:20 p.m. -
1 stop15h 25m
Tue 17/119:20 a.m. -
1 stop16h 12m
Deal found 21/10C$ 521
Sun 29/118:00 p.m. -
Nonstop6h 50m
Tue 8/1212:20 p.m. -
1 stop17h 01m
Deal found 21/10C$ 527
Sun 29/119:00 a.m. -
1 stop16h 20m
Wed 16/1212:20 p.m. -
1 stop14h 15m
Deal found 21/10C$ 532
Wed 25/114:55 p.m. -
1 stop12h 35m
Thu 10/129:20 a.m. -
1 stop19h 00m
Deal found 21/10C$ 552
Tue 1/129:30 p.m. -
2 stops14h 15m
Wed 9/129:20 a.m. -
1 stop15h 41m
Deal found 21/10C$ 559
Sun 6/128:00 p.m. -
Nonstop6h 50m
Thu 17/121:20 p.m. -
1 stop12h 20m
Deal found 21/10C$ 560
Wed 11/111:45 p.m. -
1 stop14h 00m
Thu 19/1110:50 a.m. -
2 stops18h 05m
Deal found 21/10C$ 564
Sat 7/118:00 p.m. -
1 stop31h 30m
Thu 19/111:25 p.m. -
1 stop26h 23m
Deal found 21/10C$ 567
Wed 18/115:30 a.m. -
1 stop20h 30m
Wed 25/111:25 p.m. -
2 stops32h 25m
Deal found 21/10C$ 573
Sat 7/118:00 p.m. -
1 stop31h 30m
Tue 17/111:25 p.m. -
2 stops29h 01m
Deal found 21/10C$ 574
Mon 9/119:00 a.m. -
2 stops17h 00m
Tue 17/111:25 p.m. -
2 stops29h 01m
Deal found 21/10C$ 578

Find flight deals from Boston to Madrid

Round-trip from

C$ 518

One-way from

C$ 436

Popular in

June

Cheapest in

January

Average price

C$ 910

Good round-trip deal

C$ 608 or less
Finnair
  • Finnair
  • 2/3-16/3
  • Nonstop
  • 15h 00m total
  • Boston to Madrid
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/11-31/12
  • 1 total stop
  • 29h 20m total
  • Boston to Madrid
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Highest demand for flights based on searches. 12% potential increase in price (C$ 188 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Madrid Barajas.
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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

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Tue 5/1

9:30 p.m.-5:05 p.m.

1 stop13h 35m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 478

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Fri 23/4

9:20 p.m.-10:30 a.m.

Nonstop7h 10m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 542

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Thu 31/12

7:15 a.m.-7:45 a.m.

2 stops18h 30m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 555

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Thu 28/1

9:30 a.m.-9:30 a.m.

2 stops18h 00m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 555
Quickest round-trip

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Tue 3/11

7:15 p.m.-8:05 a.m.

Nonstop6h 50m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 597

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Mon 30/11

8:00 p.m.-8:50 a.m.

Nonstop6h 50m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 604

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Sat 31/10

4:56 p.m.-7:45 a.m.

2 stops33h 49m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 618

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Sat 28/11

8:00 p.m.-8:50 a.m.

Nonstop6h 50m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 674

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Mon 9/11

7:15 p.m.-8:05 a.m.

Nonstop6h 50m

Madrid Barajas

Fri 20/11

4:15 p.m.-6:25 p.m.

Nonstop8h 10m

C$ 693

BostonMadrid

BOS Boston Logan Intl - MAD Madrid Barajas

BOSMAD

Boston Logan Intl

Wed 3/2

8:00 p.m.-8:50 a.m.

Nonstop6h 50m

Madrid Barajas

Sun 7/2

4:15 p.m.-6:25 p.m.

Nonstop8h 10m

C$ 770

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 20 resultsSorted by cheapest first
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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 14 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 June is currently the most expensive (average of C$ 1,188). 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 below average for this route at the moment.

Boston to Madrid flights typically cost between C$ 685 and C$ 1,081 in February.
The cheapest round-trip price found within the last 5 days was C$ 518 on Iberia (9 Feb-17 Feb).

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, Iberia, and TAP AIR PORTUGAL fly from Boston to Madrid in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 24h 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 (88%), Aer Lingus (88%), Finnair (88%).

  • What are the cheapest flights from Boston to Madrid?

    While on average a flight from Boston to Madrid is generally C$ 647, our data shows the cheapest flight currently is C$ 608. When looking at the most popular route, (Boston Logan Intl - Madrid Barajas), you can expect to pay C$ 1,108 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 June is currently the most expensive (average of C$ 1,188). 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

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