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Cheap flights from Boston to Madrid, Spain from C$ 369

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 525

One-way from

C$ 369

Popular in

December

Cheapest in

January

Average price

C$ 982

Good one-way deal

C$ 1,098 or less
United Airlines
  • United Airlines
  • 2/9-9/9
  • 3 total stops
  • 48h 47m total
  • Boston to Madrid
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JetBlue
  • JetBlue
  • 22/8
  • Nonstop
  • 7h 01m total
  • Boston to Madrid
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Highest demand for flights based on searches. 1% potential increase in price (C$ 18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way 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 29 July 2025.

Tue 2/95:50 a.m.BOS - MAD
1 stop18h 50mUnited Airlines
Tue 9/912:45 p.m.MAD - BOS
2 stops29h 57mUnited Airlines
Deal found 28/7C$ 525
Fri 19/94:30 p.m.BOS - MAD
Nonstop7h 10mFinnair
Tue 23/912:25 p.m.MAD - BOS
1 stop16h 25mFinnair
Deal found 28/7C$ 527
Sun 2/118:00 a.m.BOS - MAD
1 stop19h 00mDelta
Mon 10/1110:00 a.m.MAD - BOS
1 stop18h 29mDelta
Deal found 29/7C$ 532
Sun 7/910:45 p.m.BOS - MAD
Nonstop6h 45mJetBlue
Tue 16/91:30 p.m.MAD - BOS
Nonstop8h 08mJetBlue
Deal found 29/7C$ 534
Wed 20/88:05 p.m.BOS - MAD
1 stop15h 30mLufthansa
Thu 4/96:20 p.m.MAD - BOS
1 stop29h 20mLufthansa
Deal found 28/7C$ 553
Tue 19/86:00 p.m.BOS - MAD
1 stop9h 35mBritish Airways
Tue 2/91:45 p.m.MAD - BOS
1 stop11h 08mBritish Airways
Deal found 28/7C$ 556
Mon 4/83:10 p.m.BOS - MAD
1 stop12h 25mMultiple Airlines
Wed 27/86:00 a.m.MAD - BOS
1 stop13h 40mMultiple Airlines
Deal found 28/7C$ 558
Fri 10/109:40 p.m.BOS - MAD
1 stop29h 40mSWISS
Thu 16/107:35 p.m.MAD - BOS
1 stop30h 20mSWISS
Deal found 28/7C$ 567
Sun 26/106:28 p.m.BOS - MAD
1 stop10h 32mIberia
Sun 2/115:05 p.m.MAD - BOS
Nonstop8h 45mIberia
Deal found 29/7C$ 593

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 29 July 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 2/9

5:50 a.m.-6:40 a.m.

1 stop18h 50m

Madrid Barajas

Tue 9/9

12:45 p.m.-12:42 p.m.

2 stops29h 57m

C$ 525

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 19/9

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

Nonstop7h 10m

Madrid Barajas

Tue 23/9

12:25 p.m.-10:50 p.m.

1 stop16h 25m

C$ 527

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 2/11

8:00 a.m.-9:00 a.m.

1 stop19h 00m

Madrid Barajas

Mon 10/11

10:00 a.m.-10:29 p.m.

1 stop18h 29m

C$ 532

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 7/9

10:45 p.m.-11:30 a.m.

Nonstop6h 45m

Madrid Barajas

Tue 16/9

1:30 p.m.-3:38 p.m.

Nonstop8h 08m

C$ 534

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 20/8

8:05 p.m.-5:35 p.m.

1 stop15h 30m

Madrid Barajas

Thu 4/9

6:20 p.m.-5:40 p.m.

1 stop29h 20m

C$ 553

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 19/8

6:00 p.m.-9:35 a.m.

1 stop9h 35m

Madrid Barajas

Tue 2/9

1:45 p.m.-6:53 p.m.

1 stop11h 08m

C$ 556

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 10/10

9:40 p.m.-9:20 a.m.

1 stop29h 40m

Madrid Barajas

Thu 16/10

7:35 p.m.-7:55 p.m.

1 stop30h 20m

C$ 567

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 12/10

8:15 p.m.-1:40 p.m.

1 stop11h 25m

Madrid Barajas

Sat 25/10

10:05 a.m.-3:05 p.m.

1 stop11h 00m

C$ 590

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 26/10

6:28 p.m.-10:00 a.m.

1 stop10h 32m

Madrid Barajas

Sun 2/11

5:05 p.m.-7:50 p.m.

Nonstop8h 45m

C$ 593

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 22/8

10:29 p.m.-11:30 a.m.

Nonstop7h 01m

C$ 369

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 17 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 25 July 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 29 July 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Boston to Madrid by exploring options for tickets in the morning.

Weekly flight availability from Boston to Madrid

Explore weekly flight availability from Boston to Madrid. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from BOS to MAD are scheduled on a Monday (13 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

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 29 July 2025.
Read reviews from past customers who have flown Delta,Austrian Airlines, andFinnair 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.
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
821 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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 2 different airlines have flights from Logan Intl (BOS) to Barajas (MAD) on a regular basis. There are 12 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 7h 00m.

  • How popular is this Boston to Madrid flight route?

    Flights from Boston Logan Intl to Madrid Barajas have been viewed 12 times in the past calendar month.

  • What are the cheapest airlines flying from Boston to Madrid round-trip?

    Currently priced at C$ 525, United Airlines will fly you from Boston to Madrid and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and Delta - these airlines can fly you to your destination from C$ 527 and C$ 532, respectively. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Madrid one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as C$ 369. However, be on the lookout for offers from TAP AIR PORTUGAL and Delta, as they are both options that can get you from Boston to Madrid for a low price.

  • 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 (91%), Qatar Airways (91%), Finnair (91%).

  • What are the cheapest flights from Boston to Madrid?

    While on average a flight from Boston to Madrid is generally C$ 1,137, our data shows the cheapest flight currently is C$ 1,055. When looking at the most popular route, (Boston Logan Intl - Madrid Barajas), you can expect to pay C$ 440 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 2 airlines flying from Boston to Madrid

Discover the top 2 airlines 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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 476AverageC$ 697FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IberiaCheapestC$ 483AverageC$ 982FlexibilityNo 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?

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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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