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.

$321 Cheap Flights from San Sebastian to Boston in 2026

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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 - 7:45 pm

EAS

BOS

12h 05m

1 stop

9:20 pm - 8:40 am

BOS

EAS

29h 20m

1 stop

$888American Airlines

Sat, May 2 - Sat, May 9

1:40 pm - 11:04 am

EAS

BOS

27h 24m

2 stops

9:20 pm - 8:40 am

BOS

EAS

29h 20m

1 stop

$894American Airlines

Sat, May 2 - Sat, May 9

9:30 pm - 6:48 pm

EAS

BOS

27h 18m

2 stops

3:17 pm - 4:10 pm

BOS

EAS

18h 53m

2 stops

$1,148British Airways

Sat, May 2 - Sat, May 9

American Airlines flights from San Sebastian to Boston

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

American Airlines

May 2

EAS1:40 pmSan Sebastián

12h 05m

1 stop

BOS7:45 pmBoston Logan Intl

May 9

BOS9:20 pmBoston Logan Intl

29h 20m

1 stop

EAS8:40 amSan Sebastián

$888

American Airlines

May 2

EAS1:40 pmSan Sebastián

27h 24m

2 stops

BOS11:04 amBoston Logan Intl

May 9

BOS9:20 pmBoston Logan Intl

29h 20m

1 stop

EAS8:40 amSan Sebastián

$894

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sat 5/2

1:40 pm-7:45 pm

1 stop12h 05m

Boston Logan Intl

Sat 5/9

9:20 pm-8:40 am

1 stop29h 20m

$888

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sat 5/2

1:40 pm-11:04 am

2 stops27h 24m

Boston Logan Intl

Sat 5/9

9:20 pm-8:40 am

1 stop29h 20m

$894

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sat 5/2

9:30 pm-6:48 pm

2 stops27h 18m

Boston Logan Intl

Sat 5/9

3:17 pm-4:10 pm

2 stops18h 53m

$1,148

Cheapest one-way

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 9/23

8:55 am-9:15 pm

1 stop18h 20m

$321

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Thu 9/24

9:10 am-9:15 pm

1 stop18h 05m

$327

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Wed 9/23

10:10 am-9:15 pm

2 stops41h 05m

$349

Quickest one-way

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Thu 9/24

11:10 am-9:15 pm

2 stops16h 05m

$437

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Mon 6/22

9:30 pm-9:05 pm

3 stops53h 35m

$445

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sat 5/30

8:55 am-9:05 pm

1 stop18h 10m

$452

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sun 5/3

12:20 pm-9:05 pm

2 stops38h 45m

$488

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?

LEVEL and British Airways are the most popular carriers 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

Fastest flight time	45h 34m
Direct flights	None

The fastest flight from San Sebastian to Boston takes 45h 34m

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

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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 45h 34m.
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

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Kennebunkport

Plymouth

Cambridge

South Yarmouth

Gloucester

Narragansett

Brockton

Falmouth

Warwick

Chatham

Sturbridge

Laconia

Nashua

Dennis Port

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.