Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Massachusetts to San Sebastian from $325

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to San Sebastian departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Massachusetts to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
10:50 pm - 8:50 pm
BOS
-
EAS
16h 00m
2 stops
Iberia Logo
9:30 pm - 9:05 pm
EAS
-
BOS
29h 35m
2 stops
$476Iberia
Tue, Apr 21 - Mon, Apr 27
Iberia Logo
5:45 pm - 8:40 am
BOS
-
EAS
9h 55m
1 stop
Iberia Logo
9:30 pm - 8:50 pm
EAS
-
BOS
28h 20m
1 stop
$488Iberia
Wed, Mar 18 - Mon, Mar 23
Iberia Logo
10:50 pm - 8:35 am
BOS
-
EAS
27h 45m
1 stop
Iberia Logo
9:30 pm - 9:05 pm
EAS
-
BOS
29h 35m
2 stops
$494Iberia
Tue, Apr 21 - Mon, Apr 27
Iberia Logo
10:50 pm - 5:20 pm
BOS
-
EAS
12h 30m
1 stop
Iberia Logo
5:55 pm - 9:05 pm
EAS
-
BOS
33h 10m
1 stop
$513Iberia
Tue, Apr 21 - Mon, Apr 27
Iberia Logo
5:45 pm - 8:40 am
BOS
-
EAS
9h 55m
1 stop
Iberia Logo
9:30 pm - 8:50 pm
EAS
-
BOS
28h 20m
1 stop
$519Iberia
Sun, Mar 15 - Sun, Mar 22
Iberia Logo
5:45 pm - 8:40 am
BOS
-
EAS
9h 55m
1 stop
Iberia Logo
1:40 pm - 8:50 pm
EAS
-
BOS
12h 10m
1 stop
$527Iberia
Thu, Mar 19 - Tue, Mar 24
American Airlines Logo
11:55 am - 8:40 am
BOS
-
EAS
15h 45m
2 stops
American Airlines Logo
9:30 pm - 4:15 pm
EAS
-
BOS
23h 45m
1 stop
$528American Airlines
Wed, Mar 18 - Mon, Mar 23
Iberia Logo
5:45 pm - 8:40 am
BOS
-
EAS
9h 55m
1 stop
Iberia Logo
9:30 pm - 8:50 pm
EAS
-
BOS
28h 20m
1 stop
$538Iberia
Thu, Mar 19 - Mon, Mar 23
Iberia Logo
5:45 pm - 8:40 am
BOS
-
EAS
9h 55m
1 stop
Iberia Logo
1:40 pm - 5:10 pm
EAS
-
BOS
32h 30m
2 stops
$540Iberia
Thu, Mar 19 - Tue, Mar 24
Iberia Logo
6:53 pm - 8:40 am
BOS
-
EAS
56h 47m
2 stops
Iberia Logo
9:30 pm - 8:50 pm
EAS
-
BOS
28h 20m
1 stop
$544Iberia
Sun, Mar 15 - Sun, Mar 22

American Airlines flights from Massachusetts to San Sebastian

Our best American Airlines deals on Massachusetts to San Sebastian flight tickets
American Airlines
Mar 18
BOS11:55 amBoston Logan Intl
15h 45m
2 stops
EAS8:40 amSan Sebastián
Mar 23
EAS9:30 pmSan Sebastián
23h 45m
1 stop
BOS4:15 pmBoston Logan Intl
$528
American Airlines
Mar 19
BOS11:55 amBoston Logan Intl
15h 45m
2 stops
EAS8:40 amSan Sebastián
Mar 24
EAS9:20 amSan Sebastián
18h 35m
2 stops
BOS10:55 pmBoston Logan Intl
$655
American Airlines
Jun 23
BOS12:00 pmBoston Logan Intl
19h 00m
2 stops
EAS1:00 pmSan Sebastián
Jul 3
EAS9:20 amSan Sebastián
18h 58m
2 stops
BOS10:18 pmBoston Logan Intl
$956

Iberia flights from Massachusetts to San Sebastian

Our best Iberia deals on Massachusetts to San Sebastian flight tickets
Iberia
Apr 21
BOS10:50 pmBoston Logan Intl
16h 00m
2 stops
EAS8:50 pmSan Sebastián
Apr 27
EAS9:30 pmSan Sebastián
29h 35m
2 stops
BOS9:05 pmBoston Logan Intl
$476
Iberia
Mar 18
BOS5:45 pmBoston Logan Intl
9h 55m
1 stop
EAS8:40 amSan Sebastián
Mar 23
EAS9:30 pmSan Sebastián
28h 20m
1 stop
BOS8:50 pmBoston Logan Intl
$488
Iberia
Apr 21
BOS10:50 pmBoston Logan Intl
27h 45m
1 stop
EAS8:35 amSan Sebastián
Apr 27
EAS9:30 pmSan Sebastián
29h 35m
2 stops
BOS9:05 pmBoston Logan Intl
$494

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to San Sebastian 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 January 29, 2026.
Use the filters below to find and compare flights from Massachusetts to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 4/21

10:50 pm-8:50 pm

2 stops16h 00m

San Sebastián

Mon 4/27

9:30 pm-9:05 pm

2 stops29h 35m

$476

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 3/18

5:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Mon 3/23

9:30 pm-8:50 pm

1 stop28h 20m

$488

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 4/21

10:50 pm-8:35 am

1 stop27h 45m

San Sebastián

Mon 4/27

9:30 pm-9:05 pm

2 stops29h 35m

$494

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Tue 4/21

10:50 pm-5:20 pm

1 stop12h 30m

San Sebastián

Mon 4/27

5:55 pm-9:05 pm

1 stop33h 10m

$513

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 3/15

5:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Sun 3/22

9:30 pm-8:50 pm

1 stop28h 20m

$519

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 3/19

5:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Tue 3/24

1:40 pm-8:50 pm

1 stop12h 10m

$527

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 3/18

11:55 am-8:40 am

2 stops15h 45m

San Sebastián

Mon 3/23

9:30 pm-4:15 pm

1 stop23h 45m

$528

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 3/19

5:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Mon 3/23

9:30 pm-8:50 pm

1 stop28h 20m

$538

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 3/19

5:45 pm-8:40 am

1 stop9h 55m

San Sebastián

Tue 3/24

1:40 pm-5:10 pm

2 stops32h 30m

$540

BostonSan Sebastian

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 3/15

6:53 pm-8:40 am

2 stops56h 47m

San Sebastián

Sun 3/22

9:30 pm-8:50 pm

1 stop28h 20m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Massachusetts to San Sebastian

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 San Sebastian?

The month of November is, on average, the cheapest month to fly to San Sebastian from Massachusetts, with most prices found around $517. If you are unable to visit San Sebastian during the month of November, then departing from Massachusetts during the month September is also very affordable. Most momondo users find prices during this month for around $572.

Cheap Massachusetts to San Sebastian flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to San Sebastian

Fastest flight time

9h 40m

Direct flights

None
The fastest flight from Massachusetts to San Sebastian takes 9h 40m
There are no direct flights from Massachusetts to San Sebastian. There are no popular flight routes from Massachusetts to San Sebastian.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to San Sebastián Airport?

    Prices for flights from Massachusetts to San Sebastián Airport refresh daily.

  • How many operators does momondo search for flights from Massachusetts to San Sebastián Airport?

  • How old do you have to be to fly from Massachusetts to San Sebastián Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The travel and health documents required for your trip to San Sebastián Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Sebastián Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Massachusetts to San Sebastian

Compare and see reviews for airlines that fly from Massachusetts to San Sebastian with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $450Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
IberiaPriceFrom $487Free CancellationRating
7.0
3,100 reviews
Search Iberia flights

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to San Sebastian?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Massachusetts to San Sebastian. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Massachusetts to San Sebastian with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Sebastian from Massachusetts with this policy.

How can momondo help me find flights from Massachusetts to San Sebastian?

Once you have performed a search for Massachusetts to San Sebastian flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Massachusetts to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Sebastian trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Airports servicing Basque Country

Bilbao Airport