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Cheap flights from Boston to Madrid, Spain from C$ 359

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Boston to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 482

One-way from

C$ 359

Popular in

December

Cheapest in

October

Average price

C$ 834

Good round-trip deal

C$ 622 or less
British Airways
  • British Airways
  • 13/10-23/10
  • 2 total stops
  • 21h 59m total
  • Boston to Madrid
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JetBlue
  • JetBlue
  • 18/10
  • Nonstop
  • 6h 41m total
  • Boston to Madrid
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Highest demand for flights based on searches. 0% potential increase in price (C$ 3 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Madrid Barajas.
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Find flight deals from Boston to Madrid

Cheapest flights from Boston to Madrid
Explore the most affordable flight options available from Boston to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Mon 13/1011:00 p.m.BOS - MAD
1 stop10h 00mMultiple Airlines
Thu 23/104:20 p.m.MAD - BOS
1 stop11h 59mMultiple Airlines
Deal found 11/9C$ 482
Mon 17/113:47 p.m.BOS - MAD
1 stop11h 03mIberia
Tue 25/111:15 p.m.MAD - BOS
1 stop29h 07mIberia
Deal found 10/9C$ 484
Wed 5/116:55 p.m.BOS - MAD
1 stop11h 00mBritish Airways
Tue 11/114:25 p.m.MAD - BOS
1 stop12h 22mBritish Airways
Deal found 9/9C$ 489
Sun 16/119:20 p.m.BOS - MAD
Nonstop7h 00mIberia
Mon 24/115:05 p.m.MAD - BOS
Nonstop8h 45mIberia
Deal found 11/9C$ 514
Mon 27/106:12 p.m.BOS - MAD
1 stop9h 43mBritish Airways
Tue 4/1112:30 p.m.MAD - BOS
Nonstop8h 45mBritish Airways
Deal found 10/9C$ 517
Sun 16/115:10 p.m.BOS - MAD
1 stop10h 45mAer Lingus
Mon 24/1110:40 a.m.MAD - BOS
1 stop14h 15mAer Lingus
Deal found 10/9C$ 525
Tue 18/119:35 p.m.BOS - MAD
1 stop14h 50mBritish Airways
Tue 2/127:25 p.m.MAD - BOS
1 stop24h 55mBritish Airways
Deal found 11/9C$ 527
Tue 4/114:50 p.m.BOS - MAD
Nonstop7h 00mFinnair
Mon 10/114:25 p.m.MAD - BOS
1 stop12h 22mFinnair
Deal found 11/9C$ 532
Wed 12/116:05 p.m.BOS - MAD
1 stop23h 25mTAP AIR PORTUGAL
Thu 20/112:55 p.m.MAD - BOS
1 stop11h 15mTAP AIR PORTUGAL
Deal found 10/9C$ 535

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Madrid that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Boston to Madrid that are best for you.

Fly from

Boston

Fly to

Madrid

Route

Depart

Return

Price

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 18/11

7:30 a.m.-11:05 a.m.

1 stop21h 35m

Madrid Barajas

Wed 26/11

12:00 p.m.-7:45 p.m.

1 stop13h 45m

C$ 527

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 11/11

4:45 p.m.-5:45 a.m.

Nonstop7h 00m

Madrid Barajas

Sun 16/11

11:00 a.m.-10:47 p.m.

1 stop17h 47m

C$ 532

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 25/11

5:30 a.m.-8:00 a.m.

1 stop20h 30m

Madrid Barajas

Wed 3/12

1:35 p.m.-12:33 p.m.

2 stops28h 58m

C$ 540

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 18/11

10:15 a.m.-8:00 a.m.

1 stop15h 45m

Madrid Barajas

Wed 26/11

1:35 p.m.-12:45 a.m.

2 stops41h 10m

C$ 540

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 28/9

11:00 a.m.-7:50 a.m.

1 stop14h 50m

Madrid Barajas

Wed 8/10

12:40 p.m.-8:20 a.m.

1 stop25h 40m

C$ 543

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 29/9

1:25 p.m.-7:50 a.m.

1 stop12h 25m

Madrid Barajas

Thu 9/10

6:00 a.m.-3:15 p.m.

1 stop15h 15m

C$ 557

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 30/9

4:30 p.m.-5:40 a.m.

Nonstop7h 10m

Madrid Barajas

Tue 7/10

12:25 p.m.-10:19 p.m.

1 stop15h 54m

C$ 571

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 29/10

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

1 stop20h 00m

Madrid Barajas

Fri 14/11

6:00 a.m.-4:15 p.m.

2 stops16h 15m

C$ 571

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 15/11

6:40 p.m.-8:00 a.m.

1 stop31h 20m

Madrid Barajas

Sun 23/11

1:35 p.m.-9:49 p.m.

2 stops38h 14m

C$ 575

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 16/11

10:15 a.m.-8:00 a.m.

1 stop15h 45m

Madrid Barajas

Mon 24/11

1:35 p.m.-2:08 p.m.

2 stops30h 33m

C$ 575

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Madrid. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Boston to Madrid, you should look to book at least 76 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, November is the cheapest month in which you can book a flight from Boston to Madrid (average of C$ 658). Flying from Boston to Madrid in December is currently the most expensive (average of C$ 951). 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?

Find hourly flight availability from Boston to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Boston to Madrid by exploring options for tickets in the morning.

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

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Madrid. Reviews last updated 11 September 2025.
Read reviews from past customers who have flown Iberia from Boston to Madrid. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
2,929 reviews
Check prices

Entertainment

6.6

Food

6.3

Overall

7.0

Comfort

6.7

Crew

7.6

Boarding

7.1

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight
Iberia
7.0
Good
2,929 reviews
Iberia
7.0
Good
2,929 reviews
Check prices

Entertainment

6.6

Food

6.3

Overall

7.0

Comfort

6.7

Crew

7.6

Boarding

7.1

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

Related info for your journey

Find useful and relevant information for your journey from Boston to Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Madrid?

    You will need to book a flight from Boston Logan Intl to Madrid Barajas if you want to fly from Boston to Madrid. At least 1 airline has flights from Logan Intl (BOS) to Barajas (MAD) on a regular basis. There are 10 flights to Madrid from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to MAD to be around 6h 41m.

  • How popular is this Boston to Madrid flight route?

    Flights from Boston Logan Intl to Madrid Barajas have been viewed 11 times in the past calendar month.

  • How long is the flight from Boston to Madrid?

    Airlines like British Airways, Finnair, and United Airlines fly from Boston to Madrid in about 7h. The time it takes to get you to your destination can typically vary by up to 14h 35m. Airlines will cover a distance of 5470 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boston to Madrid round-trip?

    Currently priced at C$ 488, Iberia will fly you from Boston to Madrid and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. This flight start at 48% lower than the current average price 3 months from now.

  • 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 (96%), Qatar Airways (96%), Finnair (96%).

  • What are the cheapest flights from Boston to Madrid?

    While on average a flight from Boston to Madrid is generally C$ 623, our data shows the cheapest flight currently is C$ 523. When looking at the most popular route, (Boston Logan Intl - Madrid Barajas), you can expect to pay C$ 448 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, November is the cheapest month in which you can book a flight from Boston to Madrid (average of C$ 658). Flying from Boston to Madrid in December is currently the most expensive (average of C$ 951). 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

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Top airline flying from Boston to Madrid

Discover the top airline that operate flights from Boston to Madrid. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 488AverageC$ 771FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

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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?

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