Spain

$200+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
dic. 6 — dic. 131
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 noviembre 6, 2025.

Round-trip from

$350
(Mytrip)

One-way from

$200
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$511

Good round-trip deal

$457 or less

Good one-way deal

$271 or less
From Boston Logan Intl to Spain
One-way flight from Boston Logan Intl to Spain
Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Boston Logan Intl to Spain.
Price to beat on a one-way flight from Boston Logan Intl to Spain.

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 noviembre 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/6. 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.
lun. 12/297:50 pmBOS - ALC
1 stop12h 20mIcelandair
mar. 1/1310:55 pmALC - BOS
1 stop24h 55mIcelandair
Deal found 11/6$350
This American Airlines deal was found by Cheapflights users on 11/4. 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.
jue. 11/2710:18 amBOS - MAD
1 stop16h 37mAmerican Airlines
vie. 12/512:30 pmMAD - BOS
Nonstop8h 45mAmerican Airlines
Deal found 11/4$378
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/210:30 amBOS - MAD
2 stops15h 30mMultiple Airlines
mar. 12/96:25 amMAD - BOS
2 stops14h 27mMultiple Airlines
Deal found 11/4$379
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
vie. 11/284:50 pmBOS - MAD
Nonstop7h 00mIberia
mar. 12/94:25 pmMAD - BOS
1 stop12h 29mIberia
Deal found 11/6$380
This Air Canada deal was found by Cheapflights users on 11/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/236:40 pmBOS - MAD
2 stops35h 05mAir Canada
jue. 12/41:35 pmMAD - BOS
1 stop25h 57mAir Canada
Deal found 11/5$381
This oojo deal was found by Cheapflights users on 11/4. 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.
jue. 12/1110:45 pmBOS - MAD
1 stop9h 20mTAP AIR PORTUGAL
mar. 12/167:40 amMAD - BOS
1 stop13h 05mTAP AIR PORTUGAL
Deal found 11/4$382
This Mytrip deal was found by Cheapflights users on 11/4. 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.
dom. 11/306:15 amBOS - MAD
2 stops19h 45mMultiple Airlines
mar. 12/166:00 amMAD - BOS
2 stops18h 35mMultiple Airlines
Deal found 11/4$383
This United Airlines deal was found by Cheapflights users on 11/5. 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.
mar. 11/183:40 pmBOS - MAD
1 stop10h 20mUnited Airlines
mié. 2/46:25 amMAD - BOS
2 stops18h 07mUnited Airlines
Deal found 11/5$384
This United Airlines deal was found by Cheapflights users on 11/6. 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.
mié. 12/316:45 amBOS - MAD
2 stops19h 15mUnited Airlines
mié. 4/112:45 pmMAD - BOS
1 stop14h 42mUnited Airlines
Deal found 11/6$385
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
dom. 11/238:59 pmBOS - MAD
2 stops34h 41mKLM
lun. 1/124:50 pmMAD - BOS
1 stop26h 40mKLM
Deal found 11/5$386
This KAYAK deal was found by Cheapflights users on 11/4. 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.
mar. 11/119:50 pmBOS - MAD
1 stop14h 55mSWISS
jue. 11/2010:10 amMAD - BOS
1 stop15h 50mSWISS
Deal found 11/4$387
This KLM deal was found by Cheapflights users on 11/4. 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.
jue. 11/273:05 pmBOS - MAD
1 stop10h 55mKLM
jue. 12/1110:00 amMAD - BOS
1 stop12h 11mKLM
Deal found 11/4$388

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 noviembre 6, 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

BostonAlicante

BOS - ALC

BOSALC

Boston Logan Intl

lun. 12/29

7:50 pm-2:10 pm

1 stop12h 20m

Alicante

mar. 1/13

10:55 pm-5:50 pm

1 stop24h 55m

$350

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

vie. 5/1

5:20 pm-10:25 am

1 stop11h 05m

Bilbao

sáb. 5/9

8:20 am-5:05 pm

1 stop14h 45m

$374

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 3/4

5:30 am-4:10 pm

2 stops28h 40m

Bilbao

jue. 3/12

7:40 am-7:35 pm

1 stop16h 55m

$376

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

dom. 11/30

5:30 am-8:00 am

1 stop20h 30m

Madrid Barajas

mar. 12/9

6:00 am-1:25 pm

1 stop13h 25m

$378

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

mié. 11/12

7:10 pm-1:40 pm

1 stop12h 30m

Madrid Barajas

mar. 11/18

7:05 am-1:20 pm

1 stop12h 15m

$379

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 2/23

5:30 am-12:50 pm

2 stops25h 20m

Bilbao

vie. 3/6

9:40 am-8:00 pm

1 stop16h 20m

$384

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 2/23

8:40 pm-11:05 pm

1 stop20h 25m

Bilbao

vie. 3/6

7:25 am-6:35 pm

1 stop17h 10m

$385

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 1/14

6:30 pm-11:30 am

1 stop11h 00m

Bilbao

mar. 1/20

5:20 pm-1:30 pm

1 stop26h 10m

$387

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 2/23

11:00 am-5:20 pm

2 stops24h 20m

Bilbao

jue. 3/5

7:25 am-1:30 pm

1 stop12h 05m

$390

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

vie. 12/5

3:40 pm-8:00 am

1 stop10h 20m

Madrid Barajas

vie. 12/12

1:35 pm-6:21 pm

2 stops34h 46m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 $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 noviembre 6, 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 noviembre 6, 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.

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

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.

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

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.

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

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.

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

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.

Entertainment

6.9

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

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?

  • How long is the flight from Boston to Spain?

    For as low as $374, Icelandair can have you in Spain from Boston in 11h 05m. 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?

    $201 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Icelandair and Iberia, with prices starting from $258 and $261, respectively.

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

  • 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 - 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 $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

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.

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 noviembre 6, 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%

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.