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$211+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Round-trip from

$331
(Ticket)

One-way from

$211
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$508

Good round-trip deal

$457 or less

Good one-way deal

$271 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. 16% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Ticket deal was found by Cheapflights users on 11/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmBOS - BIO
1 stop13h 45mLufthansa
Tue 12/1611:35 amBIO - BOS
1 stop13h 00mLufthansa
Deal found 11/12$331
This Ticket deal was found by Cheapflights users on 11/12. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmBOS - BIO
2 stops14h 30mMultiple Airlines
Tue 12/1611:35 amBIO - BOS
2 stops14h 45mMultiple Airlines
Deal found 11/12$379
This Priceline deal was found by Cheapflights users on 11/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:55 pmBOS - MAD
2 stops30h 05mAir Canada
Tue 12/96:25 amMAD - BOS
2 stops14h 27mAir Canada
Deal found 11/11$381
This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:30 amBOS - MAD
2 stops24h 15mMultiple Airlines
Mon 11/248:45 pmMAD - BOS
2 stops24h 07mMultiple Airlines
Deal found 11/12$382
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:25 pmBOS - MAD
2 stops14h 50mUnited Airlines
Thu 11/206:00 amMAD - BOS
2 stops17h 22mUnited Airlines
Deal found 11/12$384
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:05 amBOS - MAD
2 stops19h 55mUnited Airlines
Thu 12/116:00 amMAD - BOS
2 stops18h 33mUnited Airlines
Deal found 11/11$386
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:40 amBOS - MAD
2 stops16h 35mUnited Airlines
Tue 11/256:00 amMAD - BOS
1 stop13h 25mUnited Airlines
Deal found 11/11$387
This KLM deal was found by Cheapflights users on 11/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:10 pmBOS - MAD
1 stop12h 50mKLM
Mon 11/2410:00 amMAD - BOS
1 stop12h 14mKLM
Deal found 11/11$388
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:30 amBOS - MAD
2 stops30h 20mMultiple Airlines
Wed 12/37:35 pmMAD - BOS
1 stop30h 25mMultiple Airlines
Deal found 11/11$389
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:40 pmBOS - MAD
1 stop31h 20mUnited Airlines
Fri 12/51:35 pmMAD - BOS
2 stops35h 13mUnited Airlines
Deal found 11/11$391
This United deal was found by Cheapflights users on 11/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:25 pmBOS - MAD
2 stops32h 50mMultiple Airlines
Tue 11/256:00 amMAD - BOS
2 stops14h 52mMultiple Airlines
Deal found 11/11$393
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:30 amBOS - MAD
2 stops15h 30mUnited Airlines
Sat 12/131:35 pmMAD - BOS
2 stops28h 58mUnited Airlines
Deal found 11/13$395

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 November 13, 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

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 1/28

9:20 pm-1:00 pm

1 stop9h 40m

Bilbao

Fri 2/6

6:45 am-3:15 pm

1 stop14h 30m

$367

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 1/28

12:21 pm-8:30 am

2 stops14h 09m

Bilbao

Fri 2/6

1:35 pm-10:56 pm

2 stops15h 21m

$385

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 3/1

1:03 pm-8:00 am

1 stop12h 57m

Madrid Barajas

Sun 3/8

10:00 am-7:24 am

1 stop26h 24m

$393

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 1/22

4:15 pm-9:15 am

1 stop11h 00m

Madrid Barajas

Tue 1/27

1:35 pm-11:49 pm

2 stops40h 14m

$395

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Mon 12/1

6:30 pm-12:20 pm

1 stop11h 50m

Malaga

Fri 12/12

6:05 am-8:00 pm

2 stops19h 55m

$397

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Sun 11/30

6:30 pm-4:55 pm

1 stop16h 25m

Malaga

Tue 12/16

1:20 pm-7:33 am

2 stops24h 13m

$397

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 3/8

4:48 pm-4:40 pm

2 stops18h 52m

Madrid Barajas

Tue 3/17

12:35 pm-11:10 am

2 stops27h 35m

$399

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 1/14

6:30 pm-5:40 pm

1 stop17h 10m

Madrid Barajas

Sun 1/18

10:00 am-6:30 pm

1 stop14h 30m

$399

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Thu 11/27

9:40 am-9:15 am

2 stops17h 35m

Madrid Barajas

Fri 12/5

1:35 pm-6:48 pm

2 stops35h 13m

$400

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Mon 1/5

7:30 am-11:50 am

1 stop22h 20m

Malaga

Wed 1/14

12:20 pm-9:55 pm

1 stop15h 35m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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, September is the cheapest month in which you can book a flight from Boston to Spain (average of $275). Flying from Boston to Spain in June is currently the most expensive (average of $412). 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 November 13, 2025.

It’s typically best to fly out from Boston to Spain in the evening. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Boston to Spain?

Use this chart to determine the cheapest time to fly round-trip from Boston to Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Spain flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 13, 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
11,049 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Vueling
7.1
Good
1,207 reviews
American Airlines
7.2
Good
11,049 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
TAP AIR PORTUGAL
7.1
Good
2,059 reviews
American Airlines
7.2
Good
11,049 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Iberia
7.0
Good
3,010 reviews
American Airlines
7.2
Good
11,049 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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 91 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 $367, Iberia can have you in Spain from Boston in 9h 40m. Airlines will cover a distance of 3348 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?

    $231 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and Scandinavian Airlines, with prices starting from $236 and $284, 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 - Barcelona-El Prat, Boston Logan Intl - Madrid Barajas 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 (91%), Qatar Airways (91%), Aer Lingus( 91%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $199. On average you can expect to pay $1,176. The most popular route, (Boston Logan Intl - Barcelona-El Prat), can usually be booked for $322.

  • 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, September is the cheapest month in which you can book a flight from Boston to Spain (average of $275). Flying from Boston to Spain in June is currently the most expensive (average of $412). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$269Average$406FlexibilityNo cancel feeOn-time74%
PLAYCheapest$309Average$483FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$344Average$730FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$349Average$544FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$349Average$549FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$352Average$746FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$355Average$538FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$355Average$592FlexibilityNo cancel feeOn-time77%
KLMCheapest$361Average$659FlexibilityNo cancel feeOn-time75%
SWISSCheapest$372Average$673FlexibilityNo cancel feeOn-time79%

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