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$264+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap 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 July 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/1811:35 pm
BOS
-
BCN
Nonstop7h 05m
Multiple Airlines
Thu 10/226:30 pm
BCN
-
BOS
Nonstop8h 35m
Multiple Airlines
Deal found 7/20$470
This KAYAK deal was found by Cheapflights users on 7/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:35 pm
BOS
-
BCN
Nonstop7h 05m
Iberia
Sun 8/3012:50 pm
BCN
-
BOS
1 stop12h 13m
Iberia
Deal found 7/24$487
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/78:50 pm
BOS
-
BCN
2 stops20h 15m
Multiple Airlines
Wed 10/216:30 pm
BCN
-
BOS
Nonstop8h 35m
Multiple Airlines
Deal found 7/24$488
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/148:50 pm
BOS
-
BCN
2 stops20h 15m
Multiple Airlines
Thu 10/226:30 pm
BCN
-
BOS
Nonstop8h 35m
Multiple Airlines
Deal found 7/22$495
This Ovago deal was found by Cheapflights users on 7/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:56 pm
BOS
-
BCN
1 stop11h 49m
British Airways
Fri 8/281:35 pm
BCN
-
BOS
1 stop11h 35m
British Airways
Deal found 7/24$498
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:45 pm
BOS
-
BCN
1 stop10h 00m
British Airways
Mon 8/3112:50 pm
BCN
-
BOS
1 stop13h 30m
British Airways
Deal found 7/25$502
This lol.travel deal was found by Cheapflights users on 7/25. 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.
Mon 8/246:05 pm
BOS
-
AGP
1 stop9h 30m
TAP AIR PORTUGAL
Wed 9/97:00 am
AGP
-
BOS
1 stop19h 20m
TAP AIR PORTUGAL
Deal found 7/25$521
This Vliegwinkel deal was found by Cheapflights users on 7/23. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:20 pm
BOS
-
AGP
1 stop18h 35m
TAP AIR PORTUGAL
Fri 9/410:25 am
AGP
-
BOS
1 stop15h 55m
TAP AIR PORTUGAL
Deal found 7/23$522
This Mytrip deal was found by Cheapflights users on 7/21. 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.
Mon 12/146:00 pm
BOS
-
AGP
1 stop9h 35m
TAP AIR PORTUGAL
Thu 1/76:00 am
AGP
-
BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 7/21$528
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Sun 10/1811:35 pm
BOS
-
AGP
1 stop19h 50m
Multiple Airlines
Sun 10/2510:35 pm
AGP
-
BOS
2 stops27h 25m
Multiple Airlines
Deal found 7/21$532
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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.
Tue 8/2510:45 pm
BOS
-
AGP
1 stop18h 10m
TAP AIR PORTUGAL
Fri 9/410:25 am
AGP
-
BOS
1 stop15h 55m
TAP AIR PORTUGAL
Deal found 7/25$535
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 10/1211:00 pm
BOS
-
AGP
2 stops18h 59m
Multiple Airlines
Tue 10/209:20 pm
AGP
-
BOS
1 stop29h 45m
Multiple Airlines
Deal found 7/25$537

Find flight deals from Boston to Spain

Keep the following information in mind while searching for Boston to Spain flight deals. Data was last updated July 25, 2026.

Round-trip from

$474
(Kiwi.com)

One-way from

$264
(oojo)

Popular in

June

Cheapest in

January

Average price

$784

Good round-trip deal

$451 or less

Good one-way deal

$314 or less
From Boston Logan Intl to Spain
Search Deals
One-way flight from Boston Logan Intl to Spain
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Spain.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Spain.
Search Deals

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 July 25, 2026.
Use the filters below to find and compare flights from Boston to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonGranadilla

BOS - TFS

BOSTFS

Boston Logan Intl

Thu 1/7

6:00 pm-1:40 pm

1 stop14h 40m

Granadilla Tenerife-Sur

Thu 1/14

1:00 pm-7:55 pm

1 stop11h 55m

$590

BostonIbiza

BOS - IBZ

BOSIBZ

Boston Logan Intl

Thu 8/13

11:35 pm-7:25 pm

1 stop13h 50m

Ibiza

Wed 8/26

11:50 pm-9:45 pm

1 stop27h 55m

$635

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 10/8

9:50 pm-10:45 am

1 stop30h 55m

Barcelona-El Prat

Mon 10/12

7:40 am-7:55 pm

1 stop18h 15m

$649

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Mon 11/2

10:45 am-12:00 pm

2 stops19h 15m

Malaga

Fri 11/13

6:05 am-2:29 pm

1 stop14h 24m

$658

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 9/28

7:05 pm-11:15 am

1 stop10h 10m

Barcelona-El Prat

Fri 10/2

3:15 pm-5:45 pm

Nonstop8h 30m

$659

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Tue 10/27

7:25 pm-12:00 pm

1 stop11h 35m

Malaga

Wed 11/11

4:10 pm-3:22 pm

2 stops29h 12m

$663

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 9/12

10:45 pm-10:35 am

1 stop29h 50m

Barcelona-El Prat

Sun 9/20

10:40 pm-8:20 pm

2 stops27h 40m

$672
Quickest round-trip

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 10/6

5:35 pm-6:20 am

Nonstop6h 45m

Madrid Barajas

Sat 10/17

2:35 pm-4:40 pm

Nonstop8h 05m

$680

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Wed 9/16

2:28 pm-5:50 pm

2 stops21h 22m

Palma de Mallorca Son Sant Joan

Mon 9/21

12:10 pm-1:50 pm

1 stop31h 40m

$683

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 9/23

9:05 pm-10:15 am

Nonstop7h 10m

Madrid Barajas

Wed 10/28

12:45 pm-4:30 pm

Nonstop8h 45m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Boston to Spain (average of $526). Flying from Boston to Spain in June is currently the most expensive (average of $859). 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 July 25, 2026.

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 July 25, 2026.

The most flights from BOS to ES0 are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from Boston to Spain delayed?

About 11% of weekly flights between Boston and Spain have experienced delays in the past year, with the average delay time being 138 minutes.

What is the most punctual flight time for Boston to Spain flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Spain flights?

Over the last year, Iberia have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from Boston to Spain?

To ensure you get the cheapest price possible for a flight from Boston to Spain, you should look to book at least 55 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.

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 July 25, 2026.
See what other customers who have flown with Delta,TAP AIR PORTUGAL, andAmerican Airlines 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.
Delta
7.8
Good
8,487 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
TAP AIR PORTUGAL
7.2
Good
2,347 reviews
Delta
7.8
Good
8,487 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
American Airlines
7.1
Good
11,844 reviews
Delta
7.8
Good
8,487 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Iberia
7.0
Good
3,256 reviews
Delta
7.8
Good
8,487 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

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 177 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 $635, TAP AIR PORTUGAL can have you in Spain from Boston in 13h 50m. Airlines will cover a distance of 3683 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?

    $174 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on LEVEL and Iberia, with prices starting from $178 and $180, 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 (90%), Aer Lingus (90%), Finnair( 90%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $298. On average you can expect to pay $1,849. The most popular route, (Boston Logan Intl - Barcelona-El Prat), can usually be booked for $399.

  • 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, January is the cheapest month in which you can book a flight from Boston to Spain (average of $526). Flying from Boston to Spain in June is currently the most expensive (average of $859). 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 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$117Average$414FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$249Average$544FlexibilityNo cancel feeOn-time72%
Azores AirlinesCheapest$311Average$832FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$338Average$699FlexibilityNo cancel feeOn-time71%
FinnairCheapest$338Average$650FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$355Average$413FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$365Average$728FlexibilityNo cancel feeOn-time69%
SWISSCheapest$372Average$691FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$374Average$642FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$377Average$673FlexibilityNo cancel feeOn-timeN/A

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