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Cheap flights from Boston to Spain from $209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Spain departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
3:35 pm - 12:50 pm
BOS
-
BIO
15h 15m2 stops
Iberia Logo
1:35 pm - 7:50 pm
BIO
-
BOS
12h 15m1 stop
$376Iberia
Tue, Jan 20 - Fri, Jan 30
Iberia Logo
10:40 pm - 4:55 pm
BOS
-
BIO
12h 15m1 stop
Iberia Logo
10:05 pm - 8:55 pm
BIO
-
BOS
28h 50m1 stop
$377Iberia
Mon, Jan 19 - Mon, Jan 26
Virgin Atlantic Logo
7:00 pm - 8:00 am
BOS
-
MAD
31h 00m1 stop
Virgin Atlantic Logo
10:00 am - 3:53 pm
MAD
-
BOS
11h 53m1 stop
$380Virgin Atlantic
Mon, Jan 12 - Wed, Jan 21
TAP AIR PORTUGAL Logo
6:05 pm - 11:20 am
BOS
-
MAD
11h 15m1 stop
TAP AIR PORTUGAL Logo
9:10 pm - 2:35 pm
MAD
-
BOS
23h 25m1 stop
$384TAP AIR PORTUGAL
Mon, Jan 19 - Wed, Jan 28
American Airlines Logo
12:16 pm - 8:30 am
BOS
-
BIO
14h 14m2 stops
American Airlines Logo
9:35 pm - 3:15 pm
BIO
-
BOS
23h 40m1 stop
$386American Airlines
Mon, Jan 19 - Mon, Jan 26
LEVEL Logo
10:40 pm - 11:55 am
BOS
-
BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 8:55 pm
BCN
-
BOS
8h 45mnonstop
$387LEVEL
Sun, Jan 11 - Thu, Jan 29
LEVEL Logo
10:40 pm - 11:55 am
BOS
-
BCN
7h 15mnonstop
LEVEL Logo
6:10 pm - 8:55 pm
BCN
-
BOS
8h 45mnonstop
$388LEVEL
Sun, Jan 18 - Thu, Jan 29
TAP AIR PORTUGAL Logo
7:05 pm - 5:10 pm
BOS
-
MAD
17h 05m1 stop
TAP AIR PORTUGAL Logo
10:25 pm - 8:20 pm
MAD
-
BOS
27h 55m1 stop
$391TAP AIR PORTUGAL
Tue, Mar 24 - Sun, Apr 5
British Airways Logo
7:06 pm - 6:05 pm
BOS
-
AGP
17h 59m2 stops
British Airways Logo
5:50 pm - 7:36 pm
AGP
-
BOS
30h 46m2 stops
$400British Airways
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
9:20 pm - 4:00 pm
BOS
-
TFN
13h 40m1 stop
American Airlines Logo
8:55 am - 7:50 pm
TFN
-
BOS
15h 55m1 stop
$507American Airlines
Sun, Jan 18 - Wed, Jan 28

Finnair flights from Boston to Spain

Our best Finnair deals on Boston to Spain flight tickets
Finnair
Feb 25
BOS9:20 pmBoston Logan Intl
7h 00m
MAD10:20 amMadrid Barajas
Mar 4
MAD5:05 pmMadrid Barajas
8h 45m
BOS7:50 pmBoston Logan Intl
$397
Find similar
Finnair
Jan 12
BOS4:45 pmBoston Logan Intl
7h 00m
MAD5:45 amMadrid Barajas
Jan 21
MAD5:05 pmMadrid Barajas
8h 45m
BOS7:50 pmBoston Logan Intl
$401
Find similar
Finnair
Jan 12
BOS4:45 pmBoston Logan Intl
7h 00m
MAD5:45 amMadrid Barajas
Jan 21
MAD4:25 pmMadrid Barajas
12h 31m
1 stop
BOS10:56 pmBoston Logan Intl
$406
Find similar

TAP AIR PORTUGAL flights from Boston to Spain

Our best TAP AIR PORTUGAL deals on Boston to Spain flight tickets
TAP AIR PORTUGAL
Jan 19
BOS6:05 pmBoston Logan Intl
20h 15m
1 stop
MAD8:20 pmMadrid Barajas
Feb 4
MAD9:10 pmMadrid Barajas
23h 25m
1 stop
BOS2:35 pmBoston Logan Intl
$384
Find similar
TAP AIR PORTUGAL
Mar 24
BOS7:05 pmBoston Logan Intl
17h 05m
1 stop
MAD5:10 pmMadrid Barajas
Apr 5
MAD8:10 pmMadrid Barajas
30h 10m
1 stop
BOS8:20 pmBoston Logan Intl
$391
Find similar
TAP AIR PORTUGAL
May 5
BOS6:30 pmBoston Logan Intl
10h 05m
1 stop
BCN10:35 amBarcelona-El Prat
May 12
BCN3:00 pmBarcelona-El Prat
11h 05m
1 stop
BOS8:05 pmBoston Logan Intl
$392
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
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

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 1/20

3:35 pm-12:50 pm

2 stops15h 15m

Bilbao

Fri 1/30

1:35 pm-7:50 pm

1 stop12h 15m

$376

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 1/19

10:40 pm-4:55 pm

1 stop12h 15m

Bilbao

Mon 1/26

10:05 pm-8:55 pm

1 stop28h 50m

$377

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 1/12

7:00 pm-8:00 am

1 stop31h 00m

Madrid Barajas

Wed 1/21

10:00 am-3:53 pm

1 stop11h 53m

$380

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Mon 1/19

6:05 pm-11:20 am

1 stop11h 15m

Madrid Barajas

Wed 1/28

9:10 pm-2:35 pm

1 stop23h 25m

$384

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 1/19

12:16 pm-8:30 am

2 stops14h 14m

Bilbao

Mon 1/26

9:35 pm-3:15 pm

1 stop23h 40m

$386

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/11

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 1/29

6:10 pm-8:55 pm

Nonstop8h 45m

$387

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 1/18

10:40 pm-11:55 am

Nonstop7h 15m

Barcelona-El Prat

Thu 1/29

6:10 pm-8:55 pm

Nonstop8h 45m

$388

BostonMadrid

BOS - MAD

BOSMAD

Boston Logan Intl

Tue 3/24

7:05 pm-5:10 pm

1 stop17h 05m

Madrid Barajas

Sun 4/5

10:25 pm-8:20 pm

1 stop27h 55m

$391

BostonMálaga

BOS - AGP

BOSAGP

Boston Logan Intl

Tue 3/10

7:06 pm-6:05 pm

2 stops17h 59m

Malaga

Tue 3/17

5:50 pm-7:36 pm

2 stops30h 46m

$400

BostonSanta Cruz de Tenerife

BOS - TFN

BOSTFN

Boston Logan Intl

Sun 1/18

9:20 pm-4:00 pm

1 stop13h 40m

Santa Cruz de Tenerife Tenerife-Norte

Wed 1/28

8:55 am-7:50 pm

1 stop15h 55m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Spain from

How to get the cheapest flight ticket from Boston to Spain

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in September, then you should wait until January to fly from Boston, when ticket prices are also cheap, with an average price of $483.

What is the cheapest day to depart on your flight to Spain?

The cheapest day to depart from Boston to Spain is on a Monday when prices can be found for as low as $541. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Spain for around $666.

What is the cheapest time of day to depart on your flight to Spain?

Flying to Spain from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $599 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is at noon when prices are around $830.

What is the cheapest Boston Logan Intl to Spain flight route?

Fly from Boston Logan Intl to Barcelona-El Prat for the best Boston Logan Intl - Spain flight prices

How far in advance should I book a flight to Spain?

You are more likely to see cheaper flights to Spain from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Boston for as low as $495 on momondo.

What cabin class options are available on Boston Logan Intl to Spain flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Spain flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Spain flights?

No. A direct flight is the cheapest option for a flight between Boston to Spain.

Cheap Boston to Spain flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Spain

Best Price Found

$263

Fastest flight time

6h 55m

Direct flights

Every day

Airports in Spain

239 airports
The best one-way flight to Spain from Boston in the past 72 hours is $263. The best round-trip flight deal from Boston to Spain found on momondo in the last 72 hours is $463.
The fastest flight from Boston to Spain takes 6h 55m
Direct flights go from Boston to Spain every day.
There are 239 airports in Spain. From Boston there are direct flights to Madrid Barajas (MAD).
Search flight deals

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Spain?

    Prices for flights from Boston Logan Intl Airport to Spain were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Spain?

  • How old do you have to be to fly from Boston Logan Intl Airport to Spain?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Spain.

  • What documentation or ID do you need to fly to Spain?

    The travel and health documents you'll need for your trip to Spain may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Spain. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Spain?

Best airlines flying from Boston to Spain

Compare and see reviews for airlines that fly from Boston to Spain with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $308Free CancellationRating
7.0
103 reviews
Search PLAY flights
LEVELPriceFrom $343Free CancellationRating
0.0
0 reviews
Search LEVEL flights
DeltaPriceFrom $344Free CancellationRating
7.9
8,014 reviews
Search Delta flights
FinnairPriceFrom $348Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
VuelingPriceFrom $352Free CancellationRating
7.1
1,219 reviews
Search Vueling flights
American AirlinesPriceFrom $352Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
IcelandairPriceFrom $355Free CancellationRating
7.0
592 reviews
Search Icelandair flights
Air FrancePriceFrom $355Free CancellationRating
7.4
1,513 reviews
Search Air France flights
KLMPriceFrom $361Free CancellationRating
7.7
1,434 reviews
Search KLM flights
SWISSPriceFrom $372Free CancellationRating
7.5
1,817 reviews
Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Spain?

Finding the right flight to Spain from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Spain quick and easy, saving you time and money.

Can I find flights from Boston to Spain with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Spain flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Spain?

momondo provides multiple filters to help you find the best flight to Spain from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Spain right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Spain, momondo offers a useful price alert feature which will track prices for flights to Spain from Boston and alert you when they change.

An easier way to manage your Spain trip

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Find better results for your trip to Spain

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