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$194+ Cheap flights from Boston (BOS) to Spain

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Boston to Spain

Keep the following information in mind while searching for Boston to Spain flight deals. Data was last updated September 16, 2025.

Round-trip from

$333
(Iberia)

One-way from

$194
(eDestinos)

Popular in

June

Cheapest in

January

Average price

$485

Good round-trip deal

$426 or less

Good one-way deal

$237 or less
From Boston Logan Intl to Spain
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One-way flight from Boston Logan Intl to Spain
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Highest demand for flights based on searches. 17% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 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 Spain.
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Price to beat on a one-way flight from Boston Logan Intl to Spain.
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Find flight deals from Boston to Spain

Cheapest flights from Boston to Spain
Explore the most affordable flight options available from Boston to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:00 pmBOS - VLC
1 stop15h 00mIberia
Wed 10/229:40 amVLC - BOS
1 stop16h 10mIberia
Deal found 9/15$336
This lol.travel deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:20 pmBOS - BIO
1 stop19h 55mFinnair
Tue 11/256:45 amBIO - BOS
1 stop14h 30mFinnair
Deal found 9/16$337
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:00 pmBOS - VLC
1 stop15h 00mIberia
Wed 10/227:25 amVLC - BOS
1 stop19h 50mIberia
Deal found 9/16$338
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:00 pmBOS - IBZ
1 stop27h 15mIberia
Wed 10/151:45 pmIBZ - BOS
1 stop13h 30mIberia
Deal found 9/14$343
This Finnair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:10 pmBOS - VLC
2 stops21h 50mMultiple Airlines
Fri 11/217:00 amVLC - BOS
1 stop14h 15mMultiple Airlines
Deal found 9/14$344
This Orbitz deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:47 pmBOS - VLC
2 stops13h 28mMultiple Airlines
Thu 11/277:30 amVLC - BOS
1 stop19h 25mMultiple Airlines
Deal found 9/14$348
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:40 pmBOS - MAD
1 stop10h 15mIberia
Tue 11/114:25 pmMAD - BOS
1 stop12h 22mIberia
Deal found 9/14$348
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:47 pmBOS - MAD
1 stop11h 03mIberia
Wed 11/264:25 pmMAD - BOS
1 stop13h 19mIberia
Deal found 9/14$349
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:40 pmBOS - BIO
1 stop17h 00mIberia
Tue 12/91:35 pmBIO - BOS
2 stops15h 19mIberia
Deal found 9/14$350
This eDestinos deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:35 pmBOS - MAD
Nonstop7h 10mIberia
Wed 10/154:20 pmMAD - BOS
1 stop11h 59mIberia
Deal found 9/14$351
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:56 pmBOS - MAD
1 stop12h 39mBritish Airways
Tue 10/710:25 amMAD - BOS
1 stop17h 54mBritish Airways
Deal found 9/14$353
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:35 pmBOS - MAD
1 stop13h 20mBritish Airways
Tue 11/1111:00 amMAD - BOS
1 stop17h 47mBritish Airways
Deal found 9/15$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Spain 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Boston to Spain that are best for you.

Fly from

Boston

Fly to

Spain

Route

Depart

Return

Price

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Wed 10/15

11:00 pm-8:00 pm

1 stop15h 00m

Valencia

Wed 10/22

7:25 am-9:15 pm

1 stop19h 50m

$337

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Mon 10/6

11:00 pm-8:00 pm

1 stop15h 00m

Valencia

Wed 10/22

7:25 am-9:15 pm

1 stop19h 50m

$338

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 11/9

9:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Tue 11/25

6:45 am-10:59 pm

2 stops22h 14m

$343

BostonIbiza

BOS - IBZ

BOSIBZ

Boston Logan Intl

Mon 9/29

11:00 pm-8:15 am

1 stop27h 15m

Ibiza

Wed 10/15

1:45 pm-9:15 pm

1 stop13h 30m

$343

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Mon 10/6

9:40 pm-12:10 am

1 stop20h 30m

Valencia

Wed 10/22

6:00 am-10:39 pm

2 stops22h 39m

$357

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 12/2

3:35 pm-11:15 pm

2 stops25h 40m

Bilbao

Tue 12/9

6:45 am-10:54 pm

2 stops22h 09m

$364

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Wed 10/15

1:01 pm-9:05 am

2 stops14h 04m

Valencia

Wed 10/22

6:15 am-7:50 pm

1 stop19h 35m

$375

BostonIbiza

BOS - IBZ

BOSIBZ

Boston Logan Intl

Mon 9/29

9:20 pm-5:05 pm

1 stop13h 45m

Ibiza

Wed 10/15

1:30 pm-10:19 pm

2 stops14h 49m

$376

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Wed 10/15

11:00 pm-8:00 pm

1 stop15h 00m

Valencia

Thu 10/30

7:30 am-9:55 pm

1 stop19h 25m

$376

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Tue 12/9

9:50 pm-3:35 pm

1 stop11h 45m

Malaga

Thu 12/25

1:00 pm-8:20 pm

1 stop13h 20m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain 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 Spain

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

Currently, November is the cheapest month in which you can book a flight from Boston to Spain (average of $543). Flying from Boston to Spain in June is currently the most expensive (average of $1,054). 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 ES?

Find hourly flight availability from Boston to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Boston to Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to Spain

Explore weekly flight availability from Boston to Spain. 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 September 16, 2025.

The most flights from BOS to ES0 are scheduled on a Tuesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated September 16, 2025.
See what other customers who have flown with American Airlines, Vueling, and TAP AIR PORTUGAL from Boston to Spain have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Vueling
7.1
Good
1,185 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Iberia
7.0
Good
2,924 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

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

  • What airport do you fly from for flights from Boston to Spain?

    If you book a flight to Spain from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • How popular is this Boston to Spain flight route?

    The Boston Logan Intl to Spain flight path was viewed by 74 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Spain?

    For as low as $378, Iberia can have you in Spain from Boston in 11h 45m. Airlines will cover a distance of 3474 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $195 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on LEVEL and TAP AIR PORTUGAL, with prices starting from $231 and $244, respectively.

  • What are the most popular routes from Boston to Spain?

    When deciding which route to take from Boston to Spain consider Boston Logan Intl - Madrid Barajas, Boston Logan Intl - Barcelona-El Prat or Boston Logan Intl - Arrecife Lanzarote as they are the most popular.

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

    Before booking your flight to Spain from Boston, check out the most reliable airlines to get you to your destination on time: American Airlines (97%), Qatar Airways (97%), Aer Lingus( 97%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $259. On average you can expect to pay $1,034. The most popular route, (Boston Logan Intl - Madrid Barajas), can usually be booked for $317.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Spain 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 Spain?

    Currently, November is the cheapest month in which you can book a flight from Boston to Spain (average of $543). Flying from Boston to Spain in June is currently the most expensive (average of $1,054). 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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Alternative routes for Boston to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Boston to Spain

Discover the top 10 airlines that operate flights from Boston to Spain. 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$243Average$323FlexibilityNo cancel feeOn-time74%
PLAYCheapest$309Average$344FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$344Average$744FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$349Average$571FlexibilityNo cancel feeOn-time76%
LEVELCheapest$351Average$513FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$356Average$495FlexibilityNo cancel feeOn-time76%
KLMCheapest$361Average$689FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$368Average$751FlexibilityNo cancel feeOn-time71%
SWISSCheapest$377Average$703FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$378Average$700FlexibilityNo cancel feeOn-time69%

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