Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Boston to Madrid, Spain from C$ 397

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Boston to Madrid

Enter your travel dates to find the best prices.

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 October 2025.

Sun 30/115:30 a.m.BOS - MAD
1 stop20h 30mUnited Airlines
Tue 9/126:00 a.m.MAD - BOS
1 stop13h 25mUnited Airlines
Deal found 27/10C$ 530
Wed 12/117:10 p.m.BOS - MAD
1 stop12h 30mKLM
Tue 18/117:05 a.m.MAD - BOS
1 stop12h 15mKLM
Deal found 27/10C$ 531
Tue 2/1212:02 p.m.BOS - MAD
2 stops13h 58mUnited Airlines
Tue 9/126:00 a.m.MAD - BOS
2 stops14h 52mUnited Airlines
Deal found 26/10C$ 535
Thu 4/1212:00 p.m.BOS - MAD
1 stop14h 00mDelta
Fri 12/1210:00 a.m.MAD - BOS
1 stop12h 11mDelta
Deal found 27/10C$ 542
Thu 27/113:40 p.m.BOS - MAD
1 stop10h 20mUnited Airlines
Fri 5/121:35 p.m.MAD - BOS
2 stops35h 13mUnited Airlines
Deal found 28/10C$ 546
Wed 26/119:00 p.m.BOS - MAD
1 stop29h 00mDelta
Thu 4/1211:15 a.m.MAD - BOS
1 stop14h 18mDelta
Deal found 27/10C$ 551
Wed 26/117:54 p.m.BOS - MAD
1 stop31h 21mMultiple Airlines
Thu 4/121:35 p.m.MAD - BOS
1 stop31h 17mMultiple Airlines
Deal found 27/10C$ 553
Sat 15/116:40 p.m.BOS - MAD
1 stop31h 20mUnited Airlines
Mon 24/111:45 p.m.MAD - BOS
1 stop29h 40mUnited Airlines
Deal found 28/10C$ 556
Tue 4/114:20 p.m.BOS - MAD
1 stop14h 40mUnited Airlines
Fri 21/111:35 p.m.MAD - BOS
1 stop25h 57mUnited Airlines
Deal found 27/10C$ 558
Sun 14/126:05 a.m.BOS - MAD
1 stop19h 55mVirgin Atlantic
Thu 25/1210:00 a.m.MAD - BOS
1 stop13h 15mVirgin Atlantic
Deal found 27/10C$ 559
Tue 30/1212:20 p.m.BOS - MAD
2 stops37h 40mUnited Airlines
Mon 19/11:35 p.m.MAD - BOS
2 stops34h 57mUnited Airlines
Deal found 28/10C$ 560

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 October 2025.

Round-trip from

C$ 530

One-way from

C$ 397

Popular in

December

Cheapest in

September

Average price

C$ 700
United Airlines
  • United Airlines
  • 30/11-9/12
  • 2 total stops
  • 33h 55m total
  • Boston to Madrid
Search Deals
11/12
  • 11/12
  • 1 total stop
  • 31h 55m total
  • Boston to Madrid
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 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

Sun 22/2

12:02 p.m.-12:05 p.m.

2 stops18h 03m

Madrid Barajas

Wed 11/3

12:35 p.m.-9:27 p.m.

1 stop13h 52m

C$ 538

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 22/2

10:10 p.m.-6:45 p.m.

1 stop14h 35m

Madrid Barajas

Mon 2/3

7:35 p.m.-8:20 p.m.

1 stop30h 45m

C$ 541

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 3/12

3:50 p.m.-8:55 a.m.

1 stop11h 05m

Madrid Barajas

Sun 14/12

4:25 p.m.-10:54 p.m.

1 stop12h 29m

C$ 542

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 11/11

1:10 p.m.-10:15 a.m.

2 stops15h 05m

Madrid Barajas

Wed 19/11

11:00 a.m.-11:54 p.m.

2 stops18h 54m

C$ 552

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 25/2

1:55 p.m.-11:45 a.m.

2 stops15h 50m

Madrid Barajas

Thu 5/3

11:15 a.m.-5:12 p.m.

1 stop11h 57m

C$ 553

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 30/12

12:20 p.m.-8:00 a.m.

2 stops37h 40m

Madrid Barajas

Mon 19/1

1:35 p.m.-6:32 p.m.

2 stops34h 57m

C$ 560

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 15/1

1:00 p.m.-9:10 a.m.

2 stops14h 10m

Madrid Barajas

Thu 29/1

11:15 a.m.-8:27 p.m.

1 stop15h 12m

C$ 569

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 28/2

1:10 p.m.-8:00 a.m.

1 stop12h 50m

Madrid Barajas

Wed 11/3

9:00 a.m.-6:23 p.m.

1 stop14h 23m

C$ 572

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 2/2

5:45 a.m.-8:00 a.m.

2 stops20h 15m

Madrid Barajas

Mon 9/2

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

2 stops52h 27m

C$ 572

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 25/2

7:45 a.m.-9:15 a.m.

2 stops19h 30m

Madrid Barajas

Fri 13/3

6:25 a.m.-5:12 p.m.

2 stops15h 47m

C$ 588

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 22 results
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
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 24 October 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$ 465). Flying from Boston to Madrid in June is currently the most expensive (average of C$ 651). 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 October 2025.

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.

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 October 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
3,001 reviews
Check prices

Crew

7.7

Overall

7.0

Entertainment

6.6

Food

6.3

Boarding

7.1

Comfort

6.7

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
3,001 reviews
Iberia
7.0
Good
3,001 reviews
Check prices

Crew

7.7

Overall

7.0

Entertainment

6.6

Food

6.3

Boarding

7.1

Comfort

6.7

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 3 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 9 times in the past calendar month.

  • How long is the flight from Boston to Madrid?

    Airlines like United Airlines, SWISS, and British Airways fly from Boston to Madrid in about 11h 05m. The time it takes to get you to your destination can typically vary by up to 6h 58m. 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$ 521, 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 43% 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 (95%), Qatar Airways (95%), Aer Lingus (95%).

  • 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$ 465). Flying from Boston to Madrid in June is currently the most expensive (average of C$ 651). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapestC$ 521AverageC$ 659FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.