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.

$448 Cheap Flights from San Sebastian to Boston in 2026/27

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.

9:20 am - 6:25 pmEAS San Sebastián-BOS Boston Logan Intl

15h 05m1 stop Madrid Barajas

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

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

$654Iberia

Thu, Dec 3 - Thu, Dec 10

9:20 am - 5:40 pmEAS San Sebastián-BOS Boston Logan Intl

14h 20m1 stop Madrid Barajas

11:46 am - 8:40 amBOS Boston Logan Intl-EAS San Sebastián

14h 54m2 stops New York John F Kennedy Intl Madrid Barajas

$672American Airlines

Wed, Nov 4 - Sun, Nov 8

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

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

11:46 am - 8:40 amBOS Boston Logan Intl-EAS San Sebastián

14h 54m2 stops New York John F Kennedy Intl Madrid Barajas

$677American Airlines

Wed, Nov 4 - Sun, Nov 8

1:40 pm - 6:25 pmEAS San Sebastián-BOS Boston Logan Intl

10h 45m1 stop Madrid Barajas

8:00 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

11h 00m1 stop Madrid Barajas

$686Iberia

Wed, Nov 25 - Sun, Nov 29

1:40 pm - 6:25 pmEAS San Sebastián-BOS Boston Logan Intl

10h 45m1 stop Madrid Barajas

2:50 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

16h 10m2 stops Philadelphia Madrid Barajas

$690American Airlines

Wed, Nov 25 - Sun, Nov 29

9:20 am - 8:53 pmEAS San Sebastián-BOS Boston Logan Intl

17h 33m2 stops Madrid Barajas Chicago O'Hare Intl

2:50 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

16h 10m2 stops Philadelphia Madrid Barajas

$701American Airlines

Thu, Dec 3 - Thu, Dec 10

1:40 pm - 6:25 pmEAS San Sebastián-BOS Boston Logan Intl

10h 45m1 stop Madrid Barajas

8:00 pm - 8:40 amBOS Boston Logan Intl-EAS San Sebastián

30h 40m1 stop Madrid Barajas

$768Iberia

Mon, Dec 14 - Sun, Dec 27

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

14h 10m2 stops Madrid Barajas London Heathrow

5:15 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

13h 45m2 stops Dublin Madrid Barajas

$830Iberia

Wed, Nov 25 - Sun, Nov 29

9:30 pm - 6:25 pmEAS San Sebastián-BOS Boston Logan Intl

26h 55m1 stop Madrid Barajas

8:00 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

11h 00m1 stop Madrid Barajas

$851American Airlines

Wed, Nov 11 - Sun, Nov 15

9:30 pm - 9:37 pmEAS San Sebastián-BOS Boston Logan Intl

30h 07m2 stops Madrid Barajas Philadelphia

4:00 pm - 1:00 pmBOS Boston Logan Intl-EAS San Sebastián

15h 00m2 stops Philadelphia Madrid Barajas

$857American Airlines

Wed, Nov 11 - Sun, Nov 15

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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

Nov 4

EAS9:20 amSan Sebastián

14h 20m

1 stop

BOS5:40 pmBoston Logan Intl

Nov 8

BOS11:46 amBoston Logan Intl

14h 54m

2 stops

EAS8:40 amSan Sebastián

$672

American Airlines

Nov 4

EAS1:40 pmSan Sebastián

16h 04m

2 stops

BOS11:44 pmBoston Logan Intl

Nov 8

BOS11:46 amBoston Logan Intl

14h 54m

2 stops

EAS8:40 amSan Sebastián

$677

American Airlines

Nov 25

EAS1:40 pmSan Sebastián

10h 45m

1 stop

BOS6:25 pmBoston Logan Intl

Nov 29

BOS2:50 pmBoston Logan Intl

16h 10m

2 stops

EAS1:00 pmSan Sebastián

$690

Iberia flights from San Sebastian to Boston

Our best Iberia deals on San Sebastian to Boston flight tickets

Iberia

Dec 3

EAS9:20 amSan Sebastián

15h 05m

1 stop

BOS6:25 pmBoston Logan Intl

Dec 10

BOS12:01 pmBoston Logan Intl

14h 39m

2 stops

EAS8:40 amSan Sebastián

$654

Iberia

Nov 25

EAS1:40 pmSan Sebastián

10h 45m

1 stop

BOS6:25 pmBoston Logan Intl

Nov 29

BOS8:00 pmBoston Logan Intl

11h 00m

1 stop

EAS1:00 pmSan Sebastián

$686

Iberia

Dec 14

EAS1:40 pmSan Sebastián

10h 45m

1 stop

BOS6:25 pmBoston Logan Intl

Dec 27

BOS8:00 pmBoston Logan Intl

30h 40m

1 stop

EAS8:40 amSan Sebastián

$768

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Thu 12/3

9:20 am-6:25 pm

1 stop15h 05m

Boston Logan Intl

Thu 12/10

12:01 pm-8:40 am

2 stops14h 39m

$654

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/4

9:20 am-5:40 pm

1 stop14h 20m

Boston Logan Intl

Sun 11/8

11:46 am-8:40 am

2 stops14h 54m

$672

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/4

1:40 pm-11:44 pm

2 stops16h 04m

Boston Logan Intl

Sun 11/8

11:46 am-8:40 am

2 stops14h 54m

$677

Quickest round-trip

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/25

1:40 pm-6:25 pm

1 stop10h 45m

Boston Logan Intl

Sun 11/29

8:00 pm-1:00 pm

1 stop11h 00m

$686

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/25

1:40 pm-6:25 pm

1 stop10h 45m

Boston Logan Intl

Sun 11/29

2:50 pm-1:00 pm

2 stops16h 10m

$690

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Thu 12/3

9:20 am-8:53 pm

2 stops17h 33m

Boston Logan Intl

Thu 12/10

2:50 pm-1:00 pm

2 stops16h 10m

$701

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Mon 12/14

1:40 pm-6:25 pm

1 stop10h 45m

Boston Logan Intl

Sun 12/27

8:00 pm-8:40 am

1 stop30h 40m

$768

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/25

1:40 pm-9:50 pm

2 stops14h 10m

Boston Logan Intl

Sun 11/29

5:15 pm-1:00 pm

2 stops13h 45m

$830

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

9:30 pm-6:25 pm

1 stop26h 55m

Boston Logan Intl

Sun 11/15

8:00 pm-1:00 pm

1 stop11h 00m

$851

San SebastianBoston

EAS San Sebastián - BOS Boston Logan Intl

EASBOS

San Sebastián

Wed 11/11

9:30 pm-9:37 pm

2 stops30h 07m

Boston Logan Intl

Sun 11/15

4:00 pm-1:00 pm

2 stops15h 00m

$857

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

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 airline that flies from San Sebastián to Boston Logan Intl?

Finnair is the most popular carrier operating from San Sebastián to Boston Logan Intl

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	$448
Fastest flight time	36h 20m
Direct flights	None

The best one-way flight to Boston from San Sebastian in the past 72 hours is $448. The best round-trip flight deal from San Sebastian to Boston found on momondo in the last 72 hours is $654.

The fastest flight from San Sebastian to Boston takes 36h 20m

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 36h 20m.
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.

Hampton Beach

Ogunquit

Old Orchard Beach

Salem

Laconia

Kennebunkport

Cambridge

Hampton

Revere

South Yarmouth

Plymouth

Middletown

South Portland

Warwick

Everett

Seekonk

Wells

Gloucester

Brockton

Nashua

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.