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$233+ 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
mai 6 — mai 131
mar. 5/6
mar. 5/13
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 mai 1, 2025.

Round-trip from

$404
(American Airlines)

One-way from

$245
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$674

Good round-trip deal

$463 or less

Good one-way deal

$198 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. 20% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mai 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/2410:36 amBOS - BIO
2 stops15h 54mAmerican Airlines
jeu. 10/29:15 amBIO - BOS
1 stop16h 35mAmerican Airlines
Deal found 4/30$404
This Iberia deal was found by Cheapflights users on 4/30. 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.
mer. 9/104:30 pmBOS - BCN
1 stop9h 30mIberia
lun. 9/226:30 pmBCN - BOS
Nonstop8h 45mIberia
Deal found 4/30$427
This Finnair deal was found by Cheapflights users on 4/30. 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.
mar. 8/511:00 pmBOS - BCN
Nonstop7h 15mFinnair
jeu. 8/216:30 pmBCN - BOS
Nonstop8h 45mFinnair
Deal found 4/30$428
This lol.travel deal was found by Cheapflights users on 4/29. 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.
mer. 9/179:20 pmBOS - BIO
1 stop19h 55mFinnair
jeu. 9/256:45 amBIO - BOS
1 stop19h 05mFinnair
Deal found 4/29$434
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/97:15 pmBOS - BCN
1 stop20h 25mPLAY
lun. 10/1310:40 pmBCN - BOS
1 stop25h 10mPLAY
Deal found 4/30$434
This Finnair deal was found by Cheapflights users on 4/30. 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.
mer. 9/109:20 pmBOS - BIO
1 stop19h 55mMultiple Airlines
lun. 9/229:35 pmBIO - BOS
1 stop23h 25mMultiple Airlines
Deal found 4/30$435
This British Airways deal was found by Cheapflights users on 4/30. 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.
mer. 10/229:55 pmBOS - BCN
1 stop10h 20mBritish Airways
mar. 10/282:35 pmBCN - BOS
1 stop13h 20mBritish Airways
Deal found 4/30$435
This Orbitz deal was found by Cheapflights users on 4/30. 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.
mar. 8/125:30 pmBOS - BCN
1 stop10h 50mAer Lingus
ven. 8/2211:00 amBCN - BOS
1 stop13h 45mAer Lingus
Deal found 4/30$437
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/188:15 pmBOS - BCN
1 stop27h 45mDelta
ven. 10/249:30 amBCN - BOS
Nonstop8h 30mDelta
Deal found 4/30$439
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/212:35 pmBOS - BCN
1 stop20h 10mIcelandair
lun. 9/83:45 pmBCN - BOS
1 stop12h 15mIcelandair
Deal found 4/30$446
This British Airways deal was found by Cheapflights users on 4/30. 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.
mar. 7/157:40 pmBOS - BCN
1 stop12h 25mMultiple Airlines
lun. 10/66:30 pmBCN - BOS
Nonstop8h 45mMultiple Airlines
Deal found 4/30$447
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
dim. 9/79:20 pmBOS - BIO
1 stop9h 25mIberia
dim. 9/219:15 amBIO - BOS
1 stop11h 45mIberia
Deal found 4/30$455

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 mai 1, 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

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mer. 9/10

4:30 pm-8:00 am

1 stop9h 30m

Barcelona-El Prat

lun. 9/22

6:30 pm-9:15 pm

Nonstop8h 45m

$427

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 8/5

11:00 pm-12:15 pm

Nonstop7h 15m

Barcelona-El Prat

jeu. 8/21

6:30 pm-9:15 pm

Nonstop8h 45m

$428

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

jeu. 10/9

7:15 pm-9:40 pm

1 stop20h 25m

Barcelona-El Prat

lun. 10/13

10:40 pm-5:50 pm

1 stop25h 10m

$434

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mer. 10/22

9:55 pm-2:15 pm

1 stop10h 20m

Barcelona-El Prat

mar. 10/28

2:35 pm-10:55 pm

1 stop13h 20m

$435

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 8/12

5:30 pm-10:20 am

1 stop10h 50m

Barcelona-El Prat

ven. 8/22

11:00 am-6:45 pm

1 stop13h 45m

$437

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sam. 10/18

8:15 pm-6:00 am

1 stop27h 45m

Barcelona-El Prat

ven. 10/24

9:30 am-12:00 pm

Nonstop8h 30m

$439

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 9/2

12:35 pm-2:45 pm

1 stop20h 10m

Barcelona-El Prat

lun. 9/8

3:45 pm-10:00 pm

1 stop12h 15m

$446

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

mar. 7/15

7:40 pm-2:05 pm

1 stop12h 25m

Barcelona-El Prat

lun. 10/6

6:30 pm-9:15 pm

Nonstop8h 45m

$447

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sam. 9/27

6:30 pm-7:50 am

1 stop31h 20m

Barcelona-El Prat

jeu. 10/2

12:10 pm-1:24 pm

2 stops31h 14m

$456

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

sam. 10/18

6:30 pm-7:50 am

1 stop31h 20m

Barcelona-El Prat

mer. 10/29

12:35 pm-8:18 pm

1 stop12h 43m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,086). 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 mai 1, 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 mai 1, 2025.

The most flights from BOS to ES0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 mai 1, 2025.
Read through reviews of airlines operating flights from Boston to Spain, such as Delta, KLM and Azores Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 63 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $245 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and United Airlines, with prices starting from $246 and $249, 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 - Malaga 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 (69%), Qatar Airways (69%), Finnair( 69%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $349. On average you can expect to pay $1,213. The most popular route, (Boston Logan Intl - Madrid Barajas), can usually be booked for $374.

  • 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 $1,086). 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 mai 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$265Average$289FlexibilityNo cancel feeOn-time74%
PLAYCheapest$309Average$360FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$331Average$809FlexibilityNo cancel feeOn-time88%
DeltaCheapest$344Average$823FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$355Average$818FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$357Average$557FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$359Average$618FlexibilityNo cancel feeOn-time77%
KLMCheapest$361Average$797FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$393Average$769FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$420Average$783FlexibilityNo cancel feeOn-time71%

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