HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$208+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 23, 2025.

Round-trip from

$363
(Flighttix)

One-way from

$208
(oojo)

Popular in

June

Cheapest in

September

Average price

$490

Good round-trip deal

$468 or less

Good one-way deal

$259 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. 16% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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

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 October 23, 2025.

This Flighttix deal was found by Cheapflights users on 10/22. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:53 pmBOS - BIO
2 stops14h 57mIberia
Tue 12/163:20 pmBIO - BOS
1 stop11h 35mIberia
Deal found 10/22$363
This Finnair deal was found by Cheapflights users on 10/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:45 pmBOS - BIO
1 stop9h 45mMultiple Airlines
Tue 12/166:45 amBIO - BOS
1 stop14h 30mMultiple Airlines
Deal found 10/22$370
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:10 pmBOS - ALC
1 stop14h 45mSWISS
Tue 12/167:45 pmALC - BOS
1 stop30h 35mSWISS
Deal found 10/22$372
This eDestinos deal was found by Cheapflights users on 10/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:40 pmBOS - MAD
1 stop11h 50mIberia
Thu 11/2012:30 pmMAD - BOS
Nonstop8h 45mIberia
Deal found 10/22$373
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:20 pmBOS - MAD
1 stop11h 40mIberia
Wed 12/175:05 pmMAD - BOS
Nonstop8h 45mIberia
Deal found 10/22$374
This Expedia deal was found by Cheapflights users on 10/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/183:40 pmBOS - MAD
1 stop10h 20mMultiple Airlines
Tue 11/256:25 amMAD - BOS
2 stops14h 27mMultiple Airlines
Deal found 10/20$375
This oojo deal was found by Cheapflights users on 10/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:45 pmBOS - MAD
1 stop15h 35mTAP AIR PORTUGAL
Wed 12/39:10 pmMAD - BOS
1 stop29h 00mTAP AIR PORTUGAL
Deal found 10/22$376
This eDestinos deal was found by Cheapflights users on 10/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:40 pmBOS - ALC
2 stops16h 15mIberia
Tue 2/31:25 pmALC - BOS
1 stop13h 30mIberia
Deal found 10/22$377
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:10 pmBOS - MAD
1 stop15h 05mDelta
Tue 3/2410:00 amMAD - BOS
2 stops18h 38mDelta
Deal found 10/21$377
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:10 amBOS - MAD
1 stop12h 35mAmerican Airlines
Sat 11/225:05 pmMAD - BOS
Nonstop8h 45mAmerican Airlines
Deal found 10/22$378
This KLM deal was found by Cheapflights users on 10/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:10 pmBOS - MAD
1 stop12h 30mMultiple Airlines
Wed 11/196:00 amMAD - BOS
1 stop13h 40mMultiple Airlines
Deal found 10/22$379
This KLM deal was found by Cheapflights users on 10/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:10 pmBOS - MAD
1 stop12h 30mKLM
Tue 11/187:05 amMAD - BOS
1 stop12h 15mKLM
Deal found 10/22$380

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 October 23, 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 2/18

4:45 pm-1:00 pm

1 stop14h 15m

Bilbao

Wed 2/25

9:15 am-3:15 pm

1 stop12h 00m

$367

BostonAlicante

BOS - ALC

BOSALC

Boston Logan Intl

Tue 1/20

10:40 pm-10:45 pm

1 stop18h 05m

Alicante

Tue 1/27

1:25 pm-8:55 pm

1 stop13h 30m

$368

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 12/1

4:45 pm-8:30 am

1 stop9h 45m

Bilbao

Tue 12/16

6:45 am-3:15 pm

1 stop14h 30m

$370

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 3/4

9:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Wed 3/18

6:45 am-8:50 pm

1 stop19h 05m

$371

BostonAlicante

BOS - ALC

BOSALC

Boston Logan Intl

Mon 12/1

10:10 pm-12:20 pm

1 stop32h 10m

Alicante

Tue 12/16

7:45 pm-8:20 pm

1 stop30h 35m

$378

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 11/12

8:50 pm-1:40 pm

1 stop10h 50m

Madrid Barajas

Tue 11/18

7:05 am-1:20 pm

1 stop12h 15m

$380

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 2/18

1:10 pm-9:10 am

2 stops14h 00m

Madrid Barajas

Wed 2/25

6:00 am-5:50 pm

2 stops17h 50m

$381

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Mon 12/1

4:45 pm-4:55 pm

1 stop18h 10m

Malaga

Fri 12/12

1:20 pm-10:54 pm

2 stops15h 34m

$382

BostonAlicante

BOS - ALC

BOSALC

Boston Logan Intl

Tue 1/20

6:10 am-8:35 am

2 stops20h 25m

Alicante

Tue 1/27

9:35 am-10:56 pm

2 stops19h 21m

$386

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 1/27

1:10 pm-8:00 am

1 stop12h 50m

Madrid Barajas

Sun 2/1

10:00 am-6:23 pm

1 stop14h 23m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 60 results
1
2
3
...
6

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 $411). 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 October 23, 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 October 23, 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
11,033 reviews

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Comfort

7.2

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
11,033 reviews
American Airlines
7.2
Good
11,033 reviews

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Comfort

7.2

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
1,202 reviews
American Airlines
7.2
Good
11,033 reviews

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Comfort

7.2

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
2,030 reviews
American Airlines
7.2
Good
11,033 reviews

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Comfort

7.2

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
2,997 reviews
American Airlines
7.2
Good
11,033 reviews

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Overall

7.2

Comfort

7.2

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 81 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 14h 15m. 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 $252 and $278, 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 (95%), Qatar Airways (95%), Aer Lingus( 95%).

  • 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 $1,027. The most popular route, (Boston Logan Intl - Madrid Barajas), can usually be booked for $309.

  • 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 $411). 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.

Alternative routes for Boston to Spain

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Heathrow flights
Boston to Charles de Gaulle flights
Boston to Gatwick flights
Boston to London City flights
Boston to Dublin flights
Boston to Leonardo da Vinci/Fiumicino flights
Boston to Madrid flights
Boston to Lisbon flights
Boston to Orly flights
Boston to Amsterdam flights
Boston to Stansted flights
Boston to Luton flights
Boston to Frankfurt flights
Boston to Zurich flights
Boston to Barcelona-El Prat flights
Boston to Munich flights
Boston to Istanbul flights
Boston to Keflavik Intl flights
Boston to Beauvais-Tille flights
Boston to Copenhagen flights
Boston to Ponta Delgada flights
Boston to Athens flights
Boston to Edinburgh flights
Boston to Florence flights
Boston to Vienna flights
Boston to Vicenza flights
Boston to Malpensa flights
Boston to Prague flights
Boston to Glasgow Intl flights
Boston to Shannon flights
Boston to Linate flights
Boston to Sabiha Gokcen flights
Boston to Bruxelles-National flights
Boston to Geneva flights
Boston to Porto flights
Boston to Berlin flights
Boston to Naples flights
Boston to Frederic Chopin flights
Boston to Southend flights
Boston to Bologna flights
Hartford to Dublin flights
Boston to Málaga flights
Boston to Tirana flights
Hartford to Heathrow flights
Boston to Basel flights
Boston to Arlanda flights
Boston to Ciampino flights
Boston to Bergamo flights
Boston to Duesseldorf Intl flights
Boston to Budapest flights

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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$269Average$406FlexibilityNo cancel feeOn-time74%
PLAYCheapest$309Average$425FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$344Average$728FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$349Average$553FlexibilityNo cancel feeOn-time76%
LEVELCheapest$349Average$537FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$352Average$749FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$355Average$536FlexibilityNo cancel feeOn-time76%
KLMCheapest$361Average$668FlexibilityNo cancel feeOn-time75%
SWISSCheapest$377Average$683FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$377Average$710FlexibilityNo cancel feeOn-timeN/A

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.