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$266+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
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 May 7, 2026.

This flugladen.de deal was found by Cheapflights users on 5/4. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:45 pm
BOS
-
PMI
1 stop14h 05m
Condor
Mon 5/188:10 am
PMI
-
BOS
1 stop12h 35m
Condor
Deal found 5/4$510
This LEVEL deal was found by Cheapflights users on 5/3. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:00 pm
BOS
-
PMI
1 stop17h 35m
LEVEL
Sun 9/206:45 am
PMI
-
BOS
1 stop21h 20m
LEVEL
Deal found 5/3$534
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 8/3011:45 pm
BOS
-
BCN
Nonstop7h 05m
LEVEL
Wed 9/96:30 pm
BCN
-
BOS
Nonstop8h 45m
LEVEL
Deal found 5/3$538
This oojo deal was found by Cheapflights users on 5/4. 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.
Mon 10/128:50 pm
BOS
-
BCN
1 stop11h 55m
Icelandair
Mon 10/193:45 pm
BCN
-
BOS
1 stop12h 00m
Icelandair
Deal found 5/4$539
This eDestinos deal was found by Cheapflights users on 5/3. 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.
Thu 10/111:00 pm
BOS
-
BCN
Nonstop7h 10m
Iberia
Sat 10/316:10 pm
BCN
-
BOS
Nonstop8h 45m
Iberia
Deal found 5/3$540
This LEVEL deal was found by Cheapflights users on 5/5. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 pm
BOS
-
PMI
1 stop26h 55m
LEVEL
Tue 9/2210:25 pm
PMI
-
BOS
1 stop28h 50m
LEVEL
Deal found 5/5$544
This Iberia deal was found by Cheapflights users on 5/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:50 pm
BOS
-
BCN
Nonstop7h 10m
Iberia
Sun 10/117:20 pm
BCN
-
BOS
Nonstop8h 45m
Iberia
Deal found 5/3$545
This oojo deal was found by Cheapflights users on 5/4. 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.
Mon 9/288:50 pm
BOS
-
BCN
1 stop11h 55m
Icelandair
Fri 10/93:45 pm
BCN
-
BOS
1 stop12h 00m
Icelandair
Deal found 5/4$546
This LEVEL deal was found by Cheapflights users on 5/3. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:50 pm
BOS
-
IBZ
1 stop13h 20m
LEVEL
Thu 10/110:40 am
IBZ
-
BOS
1 stop16h 35m
LEVEL
Deal found 5/3$548
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:45 pm
BOS
-
BCN
1 stop10h 45m
Condor
Wed 5/205:00 pm
BCN
-
BOS
1 stop27h 45m
Condor
Deal found 5/4$550
This Iberia deal was found by Cheapflights users on 5/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:00 pm
BOS
-
PMI
1 stop16h 45m
Iberia
Wed 9/3012:15 pm
PMI
-
BOS
1 stop15h 00m
Iberia
Deal found 5/5$551
This FlightHub deal was found by Cheapflights users on 5/2. 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.
Thu 9/108:50 pm
BOS
-
BCN
1 stop11h 55m
Icelandair
Tue 10/63:45 pm
BCN
-
BOS
1 stop12h 00m
Icelandair
Deal found 5/2$551

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 May 7, 2026.

Round-trip from

$534
(LEVEL)

One-way from

$266
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$668

Good round-trip deal

$654 or less

Good one-way deal

$353 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 ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 7, 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

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Wed 10/7

11:00 pm-12:50 am

1 stop19h 50m

Malaga

Sun 10/18

6:35 am-10:05 pm

1 stop21h 30m

$601

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 9/20

7:05 pm-11:20 am

1 stop10h 15m

Madrid Barajas

Sat 10/3

12:45 pm-10:36 pm

1 stop15h 51m

$619

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 8/12

5:07 pm-9:35 am

1 stop10h 28m

Madrid Barajas

Wed 8/26

5:30 pm-7:50 pm

Nonstop8h 20m

$636

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Fri 9/4

3:35 pm-8:40 am

1 stop11h 05m

Palma de Mallorca Son Sant Joan

Thu 9/10

12:15 pm-9:53 am

2 stops27h 38m

$647

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Wed 8/26

5:40 pm-9:50 am

1 stop34h 10m

Malaga

Mon 8/31

8:05 pm-3:35 pm

2 stops25h 30m

$657

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Wed 9/2

11:00 pm-12:25 am

1 stop19h 25m

Palma de Mallorca Son Sant Joan

Sun 9/13

6:45 am-10:05 pm

1 stop21h 20m

$668

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 9/4

7:35 am-8:50 am

2 stops19h 15m

Madrid Barajas

Mon 9/14

12:45 pm-12:57 pm

2 stops30h 12m

$679

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sun 8/16

10:16 am-12:15 pm

1 stop19h 59m

Madrid Barajas

Sun 8/30

9:50 am-6:10 pm

1 stop14h 20m

$679

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Sat 9/5

8:22 pm-8:50 am

2 stops30h 28m

Madrid Barajas

Tue 9/22

1:30 pm-4:21 pm

2 stops32h 51m

$681

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

Wed 8/26

10:55 pm-8:55 am

1 stop28h 00m

Sevilla

Tue 12/22

2:10 pm-8:55 pm

1 stop12h 45m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

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

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 50 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.

What is the cheapest month to book a flight from Boston to Spain?

Currently, October is the cheapest month in which you can book a flight from Boston to Spain (average of $467). Flying from Boston to Spain in June is currently the most expensive (average of $857). 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 May 7, 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 May 7, 2026.

The most flights from BOS to ES0 are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 141 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 May 7, 2026.
See what other customers who have flown with TAP AIR PORTUGAL,American Airlines, 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.
TAP AIR PORTUGAL
7.2
Good
2,242 reviews

Comfort

7.1

Overall

7.2

Boarding

7.0

Food

6.2

Entertainment

6.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
TAP AIR PORTUGAL
7.2
Good
2,242 reviews
TAP AIR PORTUGAL
7.2
Good
2,242 reviews

Comfort

7.1

Overall

7.2

Boarding

7.0

Food

6.2

Entertainment

6.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
American Airlines
7.1
Good
11,669 reviews
TAP AIR PORTUGAL
7.2
Good
2,242 reviews

Comfort

7.1

Overall

7.2

Boarding

7.0

Food

6.2

Entertainment

6.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
Iberia
7.0
Good
3,212 reviews
TAP AIR PORTUGAL
7.2
Good
2,242 reviews

Comfort

7.1

Overall

7.2

Boarding

7.0

Food

6.2

Entertainment

6.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Melanie,May 2026

ORD - LIS

Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.

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 145 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 $619, LEVEL can have you in Spain from Boston in 10h 15m. Airlines will cover a distance of 3399 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?

    $149 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on LEVEL and Icelandair, with prices starting from $160 and $166, 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 (94%), Aer Lingus (94%), Finnair( 94%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $306. On average you can expect to pay $1,711. The most popular route, (Boston Logan Intl - Barcelona-El Prat), can usually be booked for $485.

  • 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, October is the cheapest month in which you can book a flight from Boston to Spain (average of $467). Flying from Boston to Spain in June is currently the most expensive (average of $857). 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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$278Average$573FlexibilityNo cancel feeOn-time88%
Azores AirlinesCheapest$311Average$832FlexibilityNo cancel feeOn-time74%
CondorCheapest$330Average$667FlexibilityNo cancel feeOn-time76%
FinnairCheapest$347Average$520FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$352Average$411FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$365Average$700FlexibilityNo cancel feeOn-time69%
SWISSCheapest$370Average$656FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$374Average$543FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$374Average$631FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$382Average$622FlexibilityNo cancel feeOn-time70%

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