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$209+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:23 pmBOS - MAD
2 stops31h 37mUnited Airlines
Tue 1/136:00 amMAD - BOS
2 stops18h 32mUnited Airlines
Deal found 12/15$438
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Wed 12/313:40 pmBOS - MAD
1 stop10h 20mAir Canada
Tue 1/131:35 pmMAD - BOS
2 stops34h 27mAir Canada
Deal found 12/15$461
This British Airways deal was found by Cheapflights users on 12/15. 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.
Wed 12/319:35 pmBOS - MAD
1 stop14h 55mBritish Airways
Tue 1/138:50 pmMAD - BOS
1 stop23h 30mBritish Airways
Deal found 12/15$475
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:23 pmBOS - MAD
2 stops31h 37mUnited Airlines
Mon 1/126:25 amMAD - BOS
2 stops16h 49mUnited Airlines
Deal found 12/15$482
This KAYAK deal was found by Cheapflights users on 12/15. 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.
Wed 12/318:40 pmBOS - MAD
2 stops14h 00mBrussels Airlines
Mon 1/125:30 pmMAD - BOS
2 stops55h 05mBrussels Airlines
Deal found 12/15$510
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/314:20 pmBOS - MAD
1 stop21h 55mUnited Airlines
Mon 1/126:25 amMAD - BOS
2 stops16h 49mUnited Airlines
Deal found 12/15$515
This Gurufare deal was found by Cheapflights users on 12/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:22 pmBOS - MAD
1 stop13h 33mBritish Airways
Sun 1/112:35 pmMAD - BOS
1 stop13h 20mBritish Airways
Deal found 12/15$528
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/313:40 pmBOS - MAD
1 stop10h 20mMultiple Airlines
Thu 1/85:30 pmMAD - BOS
2 stops25h 55mMultiple Airlines
Deal found 12/16$532
This British Airways deal was found by Cheapflights users on 12/15. 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.
Wed 12/316:55 pmBOS - MAD
1 stop11h 00mBritish Airways
Mon 1/1212:50 pmMAD - BOS
1 stop15h 05mBritish Airways
Deal found 12/15$550
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sat 12/277:36 pmBOS - BCN
1 stop30h 44mUnited Airlines
Sat 1/1711:00 amBCN - BOS
1 stop13h 37mUnited Airlines
Deal found 12/15$636
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Sat 12/277:36 pmBOS - BCN
1 stop30h 44mMultiple Airlines
Sat 1/179:55 amBCN - BOS
2 stops18h 42mMultiple Airlines
Deal found 12/15$645
This KAYAK deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:40 pmBOS - AGP
2 stops36h 00mBrussels Airlines
Thu 1/83:30 pmAGP - BOS
2 stops27h 55mBrussels Airlines
Deal found 12/16$656

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 December 16, 2025.

Round-trip from

$371
(Trip.com)

One-way from

$209
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$718

Good round-trip deal

$466 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. 15% potential increase in price ($105 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 December 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

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 December 16, 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

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 3/3

5:30 am-8:00 am

1 stop20h 30m

Madrid Barajas

Tue 3/10

12:40 pm-7:36 pm

2 stops35h 56m

$382

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Thu 2/5

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 2/12

6:10 pm-8:55 pm

Nonstop8h 45m

$389

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Sun 1/11

1:00 pm-4:55 pm

2 stops21h 55m

Malaga

Tue 1/27

6:05 am-7:33 am

2 stops31h 28m

$394

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Thu 1/29

6:05 pm-4:45 pm

2 stops16h 40m

Palma de Mallorca Son Sant Joan

Thu 2/5

1:10 pm-2:35 pm

2 stops31h 25m

$395

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 1/21

9:30 am-8:00 am

2 stops16h 30m

Madrid Barajas

Wed 2/25

11:15 am-6:41 pm

1 stop13h 26m

$406

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Sun 2/1

10:45 pm-9:35 am

1 stop28h 50m

Malaga

Sun 2/15

6:00 am-8:10 pm

1 stop20h 10m

$407

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Tue 1/13

7:10 pm-11:00 pm

1 stop21h 50m

Valencia

Fri 1/23

6:05 am-8:24 pm

2 stops20h 19m

$410

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Wed 1/14

8:50 pm-11:00 pm

1 stop20h 10m

Valencia

Fri 1/23

6:05 am-6:30 pm

2 stops18h 25m

$410

BostonValencia

BOS - VLC

BOSVLC

Boston Logan Intl

Tue 1/13

7:10 pm-11:00 pm

1 stop21h 50m

Valencia

Tue 1/27

6:05 am-9:30 pm

2 stops21h 25m

$410

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 3/1

6:40 pm-8:00 am

1 stop31h 20m

Madrid Barajas

Tue 3/10

12:40 pm-6:41 pm

2 stops35h 01m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 $415). 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 December 16, 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.

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 December 16, 2025.

The most flights from BOS to ES0 are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Boston to Spain delayed?

About 9% of weekly flights between Boston and Spain have experienced delays in the past year, with the average delay time being 140 minutes.

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

Historically, flights departing in the morning 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 Thursday 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 6% of flights being delayed.

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 December 16, 2025.
See what other customers who have flown with American Airlines, TAP AIR PORTUGAL, and Vueling 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

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Vueling
7.1
Good
1,218 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Iberia
7.0
Good
3,051 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 121 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 $389, United Airlines can have you in Spain from Boston in 7h 15m. Airlines will cover a distance of 3638 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?

    $129 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on LEVEL and Iberia, with prices starting from $130 and $157, 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 (86%), Qatar Airways (86%), Aer Lingus( 86%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $326. On average you can expect to pay $1,014. The most popular route, (Boston Logan Intl - Madrid Barajas), can usually be booked for $371.

  • 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 $415). 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.

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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$308Average$484FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$342Average$535FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$344Average$724FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$349Average$533FlexibilityNo cancel feeOn-time76%
VuelingCheapest$352Average$854FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$352Average$725FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$355Average$437FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$355Average$610FlexibilityNo cancel feeOn-time77%
KLMCheapest$361Average$659FlexibilityNo cancel feeOn-time75%
SWISSCheapest$372Average$656FlexibilityNo cancel feeOn-time79%

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