Spain

$273+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MAD
May 9 — May 161
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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 April 9, 2026.

This Mytrip deal was found by Cheapflights users on 4/8. 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.
Tue 12/17:50 pm
BOS
-
AGP
1 stop11h 55m
Icelandair
Sat 12/122:45 pm
AGP
-
BOS
1 stop25h 55m
Icelandair
Deal found 4/8$477
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:50 pm
BOS
-
AGP
1 stop11h 55m
Icelandair
Wed 4/293:45 pm
AGP
-
BOS
1 stop33h 05m
Icelandair
Deal found 4/6$481
This Rumbo deal was found by Cheapflights users on 4/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:00 pm
BOS
-
AGP
1 stop33h 45m
Icelandair
Wed 5/133:45 pm
AGP
-
BOS
1 stop33h 05m
Icelandair
Deal found 4/5$482
This Mytrip deal was found by Cheapflights users on 4/8. 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.
Fri 4/248:50 pm
BOS
-
AGP
1 stop11h 55m
Icelandair
Sat 5/93:45 pm
AGP
-
BOS
1 stop12h 00m
Icelandair
Deal found 4/8$485
This oojo deal was found by Cheapflights users on 4/8. 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 4/266:05 pm
BOS
-
MAD
1 stop19h 05m
TAP AIR PORTUGAL
Thu 5/711:05 am
MAD
-
BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 4/8$491
This oojo deal was found by Cheapflights users on 4/8. 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.
Thu 4/3011:00 pm
BOS
-
AGP
1 stop33h 45m
Icelandair
Sat 5/93:45 pm
AGP
-
BOS
1 stop12h 00m
Icelandair
Deal found 4/8$496
This oojo deal was found by Cheapflights users on 4/4. 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 4/2710:45 pm
BOS
-
MAD
1 stop19h 35m
TAP AIR PORTUGAL
Tue 5/58:10 pm
MAD
-
BOS
1 stop30h 10m
TAP AIR PORTUGAL
Deal found 4/4$498
This FlightHub deal was found by Cheapflights users on 4/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:50 pm
BOS
-
AGP
1 stop11h 55m
Icelandair
Wed 5/133:45 pm
AGP
-
BOS
1 stop33h 05m
Icelandair
Deal found 4/4$500
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:15 pm
BOS
-
MAD
2 stops16h 10m
TAP AIR PORTUGAL
Thu 5/1411:05 am
MAD
-
BOS
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 4/6$500
This Booking.com deal was found by Cheapflights users on 4/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 pm
BOS
-
AGP
1 stop9h 35m
TAP AIR PORTUGAL
Fri 12/186:00 am
AGP
-
BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 4/5$502
This Booking.com deal was found by Cheapflights users on 4/7. 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.
Tue 5/510:45 pm
BOS
-
MAD
1 stop16h 40m
TAP AIR PORTUGAL
Tue 5/126:00 pm
MAD
-
BOS
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 4/7$505
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:50 pm
BOS
-
AGP
1 stop11h 55m
Icelandair
Wed 4/293:45 pm
AGP
-
BOS
1 stop33h 05m
Icelandair
Deal found 4/6$508

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 April 9, 2026.

Round-trip from

$481
(oojo)

One-way from

$273
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$592

Good round-trip deal

$645 or less

Good one-way deal

$400 or less
From Boston Logan Intl to Spain
One-way flight from Boston Logan Intl to Spain
Highest demand for flights based on searches. 15% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in April 2026
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.

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 April 9, 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

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 10/5

11:00 pm-12:00 pm

1 stop31h 00m

Madrid Barajas

Thu 10/15

6:40 am-9:15 pm

1 stop20h 35m

$515

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Wed 9/9

10:40 am-8:30 am

1 stop15h 50m

Palma de Mallorca Son Sant Joan

Fri 9/18

10:00 am-5:55 pm

1 stop13h 55m

$552

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 8/18

11:00 pm-12:10 pm

Nonstop7h 10m

Barcelona-El Prat

Tue 8/25

6:30 pm-9:15 pm

Nonstop8h 45m

$621

BostonSeville

BOS - SVQ

BOSSVQ

Boston Logan Intl

Wed 9/16

6:05 pm-12:25 am

1 stop24h 20m

Sevilla

Tue 9/22

10:10 am-8:20 pm

1 stop16h 10m

$642

BostonPalma de Mallorca

BOS - PMI

BOSPMI

Boston Logan Intl

Sun 9/27

5:40 pm-9:05 am

1 stop33h 25m

Palma de Mallorca Son Sant Joan

Thu 10/1

10:25 am-3:35 pm

2 stops35h 10m

$650

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sat 9/19

11:00 pm-12:10 pm

Nonstop7h 10m

Barcelona-El Prat

Sat 9/26

6:30 pm-9:15 pm

Nonstop8h 45m

$650
Quickest round-trip

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Wed 9/16

5:30 pm-6:20 am

Nonstop6h 50m

Madrid Barajas

Tue 10/6

2:35 pm-4:40 pm

Nonstop8h 05m

$656

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 4/20

9:30 am-8:05 am

1 stop16h 35m

Madrid Barajas

Tue 4/28

11:15 am-7:06 pm

1 stop13h 51m

$666

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 8/15

5:25 pm-11:55 am

1 stop12h 30m

Bilbao

Tue 9/1

8:20 am-4:35 pm

1 stop14h 15m

$674

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Fri 9/18

9:40 pm-9:20 am

1 stop29h 40m

Madrid Barajas

Mon 10/5

7:30 pm-7:55 pm

1 stop30h 25m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

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

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 $273). 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 April 9, 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 April 9, 2026.

The most flights from BOS to ES0 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, 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 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 April 9, 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.

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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 $618, LEVEL can have you in Spain from Boston in 12h 01m. 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?

    $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 $149, 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: Qatar Airways (100%), American Airlines (82%), Aer Lingus( 82%).

  • What are the cheapest flights from Boston to Spain?

    The cheapest flight price from Boston to Spain is $298. On average you can expect to pay $1,750. The most popular route, (Boston Logan Intl - Barcelona-El Prat), can usually be booked for $553.

  • 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 $273). 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Azores AirlinesCheapest$298Average$832FlexibilityNo cancel feeOn-time74%
CondorCheapest$330Average$581FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$338Average$658FlexibilityNo cancel feeOn-time71%
PLAYCheapest$338Average$380FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$341Average$519FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$352Average$408FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$365Average$657FlexibilityNo cancel feeOn-time69%
SWISSCheapest$369Average$658FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$377Average$642FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$378Average$552FlexibilityNo cancel feeOn-time67%

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