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$229+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
abr. 22 — abr. 291
mié. 4/22
mié. 4/29
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 marzo 23, 2026.

This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/145:50 am
BOS
-
PMI
1 stop20h 40m
United Airlines
jue. 10/2212:15 pm
PMI
-
BOS
2 stops35h 41m
United Airlines
Deal found 3/20$357
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
mar. 4/145:10 pm
BOS
-
PMI
1 stop18h 40m
Austrian Airlines
mar. 4/216:40 pm
PMI
-
BOS
1 stop25h 10m
Austrian Airlines
Deal found 3/20$369
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1211:00 am
BOS
-
PMI
1 stop13h 15m
United Airlines
jue. 10/2212:15 pm
PMI
-
BOS
1 stop11h 52m
United Airlines
Deal found 3/20$371
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
mar. 4/145:10 pm
BOS
-
PMI
1 stop18h 40m
Multiple Airlines
mar. 4/2112:50 pm
PMI
-
BOS
1 stop13h 05m
Multiple Airlines
Deal found 3/21$375
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/136:50 pm
BOS
-
PMI
1 stop31h 40m
Air Canada
jue. 10/2212:15 pm
PMI
-
BOS
2 stops27h 40m
Air Canada
Deal found 3/20$378
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
mar. 4/149:40 pm
BOS
-
PMI
1 stop13h 50m
SWISS
mar. 4/219:40 am
PMI
-
BOS
1 stop11h 30m
SWISS
Deal found 3/20$380
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/16:50 pm
BOS
-
PMI
1 stop31h 40m
United Airlines
jue. 9/1012:15 pm
PMI
-
BOS
2 stops30h 32m
United Airlines
Deal found 3/23$382
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/139:40 pm
BOS
-
PMI
1 stop13h 50m
SWISS
mar. 4/286:20 pm
PMI
-
BOS
1 stop31h 35m
SWISS
Deal found 3/20$391
This KAYAK deal was found by Cheapflights users on 3/19. 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.
dom. 11/19:50 pm
BOS
-
AGP
1 stop11h 40m
SWISS
mié. 11/114:20 pm
AGP
-
BOS
1 stop34h 00m
SWISS
Deal found 3/19$400
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
dom. 5/39:40 pm
BOS
-
AGP
1 stop31h 40m
SWISS
mar. 5/1912:20 pm
AGP
-
BOS
1 stop13h 35m
SWISS
Deal found 3/22$401
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/43:32 pm
BOS
-
AGP
1 stop10h 03m
United Airlines
mar. 5/199:35 am
AGP
-
BOS
1 stop12h 49m
United Airlines
Deal found 3/22$403
This oojo deal was found by Cheapflights users on 3/19. 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.
lun. 11/29:50 pm
BOS
-
AGP
1 stop11h 40m
SWISS
mié. 11/114:20 pm
AGP
-
BOS
1 stop34h 00m
SWISS
Deal found 3/19$404

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 marzo 23, 2026.

Round-trip from

$369
(Kiwi.com)

One-way from

$229
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$547

Good round-trip deal

$563 or less

Good one-way deal

$346 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. 14% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 marzo 23, 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

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

dom. 9/6

3:35 pm-8:30 am

1 stop10h 55m

Palma de Mallorca Son Sant Joan

lun. 9/14

12:15 pm-6:07 pm

1 stop11h 52m

$445

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

dom. 5/3

9:50 pm-5:35 pm

1 stop37h 45m

Sevilla

mar. 5/12

6:35 pm-7:55 pm

1 stop31h 20m

$572

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

dom. 4/26

9:50 pm-5:35 pm

1 stop37h 45m

Sevilla

mié. 5/6

11:50 am-7:55 pm

1 stop38h 05m

$572

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

dom. 4/12

9:50 pm-10:35 pm

1 stop18h 45m

Madrid Barajas

mié. 4/22

7:40 am-7:55 pm

1 stop18h 15m

$586

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

sáb. 8/8

11:00 pm-10:15 am

1 stop29h 15m

Madrid Barajas

dom. 8/23

8:25 am-10:05 pm

1 stop19h 40m

$627

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

mié. 5/6

9:50 pm-5:35 pm

1 stop37h 45m

Sevilla

mié. 5/13

11:50 am-7:55 pm

1 stop38h 05m

$632

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

jue. 5/7

9:40 pm-3:50 pm

1 stop12h 10m

Malaga

dom. 5/17

6:05 am-3:40 pm

1 stop15h 35m

$636

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

mié. 5/13

1:29 pm-9:55 am

1 stop14h 26m

Madrid Barajas

jue. 5/21

2:35 pm-4:33 pm

Nonstop7h 58m

$639

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

sáb. 4/25

10:50 pm-8:55 am

1 stop28h 05m

Sevilla

vie. 5/1

3:25 pm-9:05 pm

1 stop11h 40m

$659

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

mié. 7/29

5:20 pm-3:50 pm

1 stop16h 30m

Malaga

mié. 8/12

1:15 pm-8:10 pm

1 stop12h 55m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $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 marzo 23, 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 marzo 23, 2026.

The most flights from BOS to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 142 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 marzo 23, 2026.
See what other customers who have flown with American Airlines,TAP AIR PORTUGAL, andIberia 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
7.1
Good
11,492 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,492 reviews
American Airlines
7.1
Good
11,492 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
TAP AIR PORTUGAL
7.1
Good
2,175 reviews
American Airlines
7.1
Good
11,492 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
Iberia
7.0
Good
3,150 reviews
American Airlines
7.1
Good
11,492 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
British Airways
6.7
Okay
7,813 reviews
American Airlines
7.1
Good
11,492 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 162 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 $445, United Airlines can have you in Spain from Boston in 10h 55m. Airlines will cover a distance of 3725 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 $150, 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 - Palma de Mallorca Son Sant Joan 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 (74%), Aer Lingus (74%), Finnair( 74%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $280. On average you can expect to pay $1,632. The most popular route, (Boston Logan Intl - Barcelona-El Prat), can usually be booked for $470.

  • 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.

See more FAQs

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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 marzo 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$230Average$590FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$265Average$530FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$272Average$407FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$334Average$714FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$339Average$519FlexibilityNo cancel feeOn-time76%
PLAYCheapest$349Average$379FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$349Average$799FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$365Average$617FlexibilityNo cancel feeOn-time69%
SWISSCheapest$369Average$661FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$374Average$549FlexibilityNo cancel feeOn-time67%

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