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.

$414 Cheap Flights from San Sebastian to Boston in 2026

1 adult

0 bags

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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 - 7:50 pm

EAS

BOS

12h 10m1 stop

8:15 pm - 8:20 am

BOS

EAS

30h 05m2 stops

$729Iberia

Wed, May 13 - Sun, May 17

8:55 am - 9:05 pm

EAS

BOS

18h 10m1 stop

9:20 pm - 1:00 pm

BOS

EAS

9h 40m1 stop

$814Iberia

Wed, May 13 - Sun, May 17

1:40 pm - 7:50 pm

EAS

BOS

12h 10m1 stop

5:40 pm - 1:00 pm

BOS

EAS

13h 20m1 stop

$829Iberia

Wed, May 13 - Sun, May 17

9:20 am - 4:10 pm

EAS

BOS

12h 50m1 stop

6:00 am - 8:40 am

BOS

EAS

20h 40m2 stops

$969American Airlines

Wed, May 13 - Sun, May 17

1:40 pm - 11:52 pm

EAS

BOS

16h 12m2 stops

11:34 am - 8:40 am

BOS

EAS

15h 06m2 stops

$974American Airlines

Wed, May 13 - Sun, May 17

Iberia flights from San Sebastian to Boston

Our best Iberia deals on San Sebastian to Boston flight tickets

Iberia

May 13

EAS1:40 pmSan Sebastián

12h 10m

1 stop

BOS7:50 pmBoston Logan Intl

May 17

BOS8:15 pmBoston Logan Intl

30h 05m

2 stops

EAS8:20 amSan Sebastián

$729

Iberia

May 13

EAS8:55 amSan Sebastián

18h 10m

1 stop

BOS9:05 pmBoston Logan Intl

May 17

BOS9:20 pmBoston Logan Intl

9h 40m

1 stop

EAS1:00 pmSan Sebastián

$814

Iberia

May 13

EAS1:40 pmSan Sebastián

12h 10m

1 stop

BOS7:50 pmBoston Logan Intl

May 17

BOS5:40 pmBoston Logan Intl

13h 20m

1 stop

EAS1:00 pmSan Sebastián

$829

American Airlines flights from San Sebastian to Boston

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

American Airlines

May 13

EAS9:20 amSan Sebastián

12h 50m

1 stop

BOS4:10 pmBoston Logan Intl

May 17

BOS6:00 amBoston Logan Intl

20h 40m

2 stops

EAS8:40 amSan Sebastián

$969

American Airlines

May 13

EAS1:40 pmSan Sebastián

16h 12m

2 stops

BOS11:52 pmBoston Logan Intl

May 17

BOS11:34 amBoston Logan Intl

15h 06m

2 stops

EAS8:40 amSan Sebastián

$974

Fly from

Fly to

Route

Depart

Return

Price

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 5/13

1:40 pm-7:50 pm

1 stop12h 10m

Boston Logan Intl

Sun 5/17

8:15 pm-8:20 am

2 stops30h 05m

$729

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 5/13

8:55 am-9:05 pm

1 stop18h 10m

Boston Logan Intl

Sun 5/17

9:20 pm-1:00 pm

1 stop9h 40m

$814

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 5/13

1:40 pm-7:50 pm

1 stop12h 10m

Boston Logan Intl

Sun 5/17

5:40 pm-1:00 pm

1 stop13h 20m

$829

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 5/13

9:20 am-4:10 pm

1 stop12h 50m

Boston Logan Intl

Sun 5/17

6:00 am-8:40 am

2 stops20h 40m

$969

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 5/13

1:40 pm-11:52 pm

2 stops16h 12m

Boston Logan Intl

Sun 5/17

11:34 am-8:40 am

2 stops15h 06m

$974

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Fri 5/1

8:55 am-9:05 pm

1 stop18h 10m

$414

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Fri 5/1

5:55 pm-2:40 pm

2 stops26h 45m

$473

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Fri 5/1

9:30 pm-8:20 pm

3 stops28h 50m

$511

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

Fastest flight time	12h 50m
Direct flights	None

The fastest flight from San Sebastian to Boston takes 12h 50m

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

Search flight deals

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 12h 50m.
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.

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

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Plymouth

Kennebunkport

South Yarmouth

Cambridge

Narragansett

Gloucester

Falmouth

Nashua

Laconia

Brockton

Concord

Everett

Sturbridge

Warwick

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.