How do I get Price Alerts for flights from San Sebastian to Boston?

Confirm your travel details to search for the latest offers for flights from San Sebastian to Boston . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from San Sebastian to Boston with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from San Sebastián Airport to Boston Logan Intl Airport?

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

How old do you have to be to fly from San Sebastián Airport to Boston Logan Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Boston Logan Intl Airport.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The travel and health documents required for your trip to Boston Logan Intl 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 Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$660 Cheap Flights from San Sebastian to Boston in 2026

Find the cheapest flights from San Sebastian to Boston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 6:00 pmEAS San Sebastián-BOS Boston Logan Intl

10h 20m1 stop Madrid Barajas

8:00 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

18h 50m1 stop Madrid Barajas

$660Iberia

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 11:44 pmEAS San Sebastián-BOS Boston Logan Intl

16h 04m2 stops Madrid Barajas New York John F Kennedy Intl

8:00 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

18h 50m1 stop Madrid Barajas

$666Iberia

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 6:00 pmEAS San Sebastián-BOS Boston Logan Intl

10h 20m1 stop Madrid Barajas

7:30 am - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

31h 20m2 stops London Heathrow Madrid Barajas

$680Iberia

Wed, Nov 11 - Sun, Nov 15

8:55 am - 9:05 pmEAS San Sebastián-BOS Boston Logan Intl

18h 10m1 stop Barcelona-El Prat

8:35 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

19h 15m1 stop Madrid Barajas

$689Multiple Airlines

Wed, Oct 21 - Sun, Oct 25

8:55 am - 9:05 pmEAS San Sebastián-BOS Boston Logan Intl

18h 10m1 stop Barcelona-El Prat

12:29 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

27h 21m2 stops New York John F Kennedy Intl Madrid Barajas

$707Multiple Airlines

Wed, Oct 21 - Sun, Oct 25

1:40 pm - 9:50 pmEAS San Sebastián-BOS Boston Logan Intl

14h 10m2 stops Madrid Barajas London Heathrow

9:30 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

17h 20m2 stops London Heathrow Madrid Barajas

$719Iberia

Wed, Nov 11 - Sun, Nov 15

1:40 pm - 11:25 pmEAS San Sebastián-BOS Boston Logan Intl

15h 45m2 stops Madrid Barajas New York John F Kennedy Intl

5:28 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

22h 22m2 stops New York John F Kennedy Intl Madrid Barajas

$777Iberia

Wed, Oct 21 - Sun, Oct 25

1:40 pm - 9:50 pmEAS San Sebastián-BOS Boston Logan Intl

14h 10m2 stops Madrid Barajas London Heathrow

9:30 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

17h 20m2 stops London Heathrow Madrid Barajas

$793Iberia

Wed, Nov 11 - Sun, Nov 15

9:20 am - 8:30 pmEAS San Sebastián-BOS Boston Logan Intl

17h 10m2 stops Madrid Barajas Philadelphia

12:01 pm - 8:40 amBOS Boston Logan Intl-EAS San Sebastián

14h 39m2 stops New York John F Kennedy Intl Madrid Barajas

$835American Airlines

Thu, Feb 4 - Fri, Feb 26

9:20 am - 8:30 pmEAS San Sebastián-BOS Boston Logan Intl

17h 10m2 stops Madrid Barajas Philadelphia

8:00 pm - 8:50 pmBOS Boston Logan Intl-EAS San Sebastián

18h 50m1 stop Madrid Barajas

$835Multiple Airlines

Thu, Feb 4 - Fri, Feb 26

Save money when you book flights with momondo

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American Airlines flights from San Sebastian to Boston

Our best American Airlines deals on San Sebastian to Boston flight tickets

American Airlines

Sep 17

EAS9:20 amSan Sebastián

12h 50m

1 stop

BOS4:10 pmBoston Logan Intl

Sep 21

BOS9:20 pmBoston Logan Intl

9h 40m

1 stop

EAS1:00 pmSan Sebastián

$870

American Airlines

Sep 17

EAS1:40 pmSan Sebastián

15h 48m

2 stops

BOS11:28 pmBoston Logan Intl

Sep 21

BOS1:02 pmBoston Logan Intl

13h 38m

2 stops

EAS8:40 amSan Sebastián

$875

American Airlines

Oct 16

EAS9:20 amSan Sebastián

16h 39m

2 stops

BOS7:59 pmBoston Logan Intl

Oct 31

BOS8:35 pmBoston Logan Intl

31h 05m

1 stop

EAS8:40 amSan Sebastián

$959

Iberia flights from San Sebastian to Boston

Our best Iberia deals on San Sebastian to Boston flight tickets

Iberia

Nov 11

EAS1:40 pmSan Sebastián

10h 20m

1 stop

BOS6:00 pmBoston Logan Intl

Nov 15

BOS8:00 pmBoston Logan Intl

18h 50m

1 stop

EAS8:50 pmSan Sebastián

$660

Iberia

Nov 11

EAS1:40 pmSan Sebastián

16h 04m

2 stops

BOS11:44 pmBoston Logan Intl

Nov 15

BOS8:00 pmBoston Logan Intl

18h 50m

1 stop

EAS8:50 pmSan Sebastián

$666

Iberia

Nov 11

EAS9:20 amSan Sebastián

14h 40m

1 stop

BOS6:00 pmBoston Logan Intl

Nov 15

BOS8:00 pmBoston Logan Intl

30h 40m

1 stop

EAS8:40 amSan Sebastián

$669

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

1:40 pm-6:00 pm

1 stop10h 20m

Boston Logan Intl

Sun 11/15

8:00 pm-8:50 pm

1 stop18h 50m

$660

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

1:40 pm-11:44 pm

2 stops16h 04m

Boston Logan Intl

Sun 11/15

8:00 pm-8:50 pm

1 stop18h 50m

$666

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

1:40 pm-6:00 pm

1 stop10h 20m

Boston Logan Intl

Sun 11/15

7:30 am-8:50 pm

2 stops31h 20m

$680

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 10/21

8:55 am-9:05 pm

1 stop18h 10m

Boston Logan Intl

Sun 10/25

8:35 pm-8:50 pm

1 stop19h 15m

$689

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 10/21

8:55 am-9:05 pm

1 stop18h 10m

Boston Logan Intl

Sun 10/25

12:29 pm-8:50 pm

2 stops27h 21m

$707

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

1:40 pm-9:50 pm

2 stops14h 10m

Boston Logan Intl

Sun 11/15

9:30 pm-8:50 pm

2 stops17h 20m

$719

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 10/21

1:40 pm-11:25 pm

2 stops15h 45m

Boston Logan Intl

Sun 10/25

5:28 pm-8:50 pm

2 stops22h 22m

$777

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

1:40 pm-9:50 pm

2 stops14h 10m

Boston Logan Intl

Sun 11/15

9:30 pm-8:50 pm

2 stops17h 20m

$793

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Thu 2/4

9:20 am-8:30 pm

2 stops17h 10m

Boston Logan Intl

Fri 2/26

12:01 pm-8:40 am

2 stops14h 39m

$835

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Thu 2/4

9:20 am-8:30 pm

2 stops17h 10m

Boston Logan Intl

Fri 2/26

8:00 pm-8:50 pm

1 stop18h 50m

$835

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from San Sebastian to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from San Sebastian to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Sebastian to Boston (EAS to BOS) flight deals and tips

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

Best Price Found	$660
Fastest flight time	23h 15m
Direct flights	None

The best flight deal from San Sebastian to Boston found on momondo in the last 72 hours is $660

The fastest flight from San Sebastian to Boston takes 23h 15m

There are no direct flights from San Sebastian to Boston. There are no popular flight routes from San Sebastian to Boston.

Search flight deals

Frequently asked questions about flying from San Sebastian to Boston

How far is San Sebastián to Boston Logan Intl by plane?
There are 3393.2 mi between San Sebastián and Boston Logan Intl. A reasonable flight in good conditions will take 23h 15m.
When did momondo last update prices for flights from San Sebastián Airport to Boston Logan Intl Airport?
Prices for flights from San Sebastián Airport to Boston Logan Intl Airport were last updated today.
How old do you have to be to fly from San Sebastián Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents required for your trip to Boston Logan Intl 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 Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from San Sebastian to Boston

How do I get Price Alerts for flights from San Sebastian to Boston?
Confirm your travel details to search for the latest offers for flights from San Sebastian to Boston. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from San Sebastian to Boston with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Hampton Beach

Ogunquit

Old Orchard Beach

Salem

Laconia

Cambridge

Hampton

Revere

South Yarmouth

Plymouth

Middletown

South Portland

Everett

Warwick

Kennebunkport

Gloucester

Brockton

Seekonk

Nashua

York Beach

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Sebastian to Boston. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from San Sebastian.

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

Price alerts on flights to Boston from San Sebastian are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.