What are the cheapest airlines to fly from Boston to San Sebastian one-way?

$898 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Vueling and Cathay Pacific, with prices starting from $904 and $28,114, respectively.

Can I find flights from Boston to San Sebastian for under $500 on Cheapflights?

Yes, there are multiple flights from Boston to San Sebastian for under $500. The cheapest flight booked recently is on Vueling for just $497, but on average you can expect to pay $678.

Which airlines flying from Boston Logan Intl to San Sebastián have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to San Sebastián have new flexible policies in place due to COVID-19. Iberia and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Iberia with this kind of flexibility.

What is the cheapest day to fly round-trip from Boston to San Sebastian?

Users have found that flying from Boston to San Sebastian on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Boston to San Sebastian?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to San Sebastian. Flights to San Sebastian from Boston in November are about $934 on average during November, but can be found for as low as $697.

When is the cheapest time to fly from Boston to San Sebastian (BOS - EAS)?

When flying from Boston to San Sebastian, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 35% versus a flight in the morning.

What does BOS to EAS mean?

BOS stands for Boston Logan Intl Airport, while EAS stands for San Sebastián Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Flights from Boston, MA to San Sebastian, Spain from $288

How to find the cheapest flight from Boston (BOS) to San Sebastian (EAS)

Popular in	December
Cheapest in	November
Average price	$970
Round-trip from	$666

High demand for flights, 33% potential price rise

Search Deals

Best time to find cheap flights, 25% potential price drop

Search Deals

Average for round-trip flights in June 2023

Search Deals

From Boston Logan Intl to San Sebastián

Search Deals

BOS - EAS Price	$666 - $1,463

BOS - EAS

Price

$666 - $1,463

Cheap flights from Boston to San Sebastian in June, July 2023

Check out some of the best flight deals from Boston to San Sebastian in 2023. For more flight deals, be sure to check back very soon.

Jul 7 - Jul 14

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

17h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

20h 12m

$1,201

American Airlines

Deal found 6/7

Jul 7 - Jul 14

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

17h 40m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

20h 12m

$1,206

American Airlines

Deal found 6/7

Jun 12 - Jun 19

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

35h 48m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

31h 15m

$1,214

Iberia

Deal found 6/8

Jun 12 - Jun 19

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

37h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

33h 45m

$1,239

Iberia

Deal found 6/8

Jun 12 - Jun 19

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

27h 10m

EAS

San Sebastián

BOS

Boston Logan Intl

3 stops

27h 15m

$1,246

Multiple Airlines

Deal found 6/8

Jun 12 - Jun 19

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

27h 50m

EAS

San Sebastián

BOS

Boston Logan Intl

3 stops

27h 15m

$1,306

Multiple Airlines

Deal found 6/8

Jul 7 - Jul 14

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

27h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$1,322

Vueling

Deal found 6/7

Jun 12 - Jun 19

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

17h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

31h 15m

$1,407

Iberia

Deal found 6/8

Jul 7 - Jul 14

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

41h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

3 stops

31h 48m

$1,529

Multiple Airlines

Deal found 6/7

Boston to San Sebastian 2023 flight deals

Check out some of the best flight deals from Boston to San Sebastian in 2023. For more flight deals, be sure to check back very soon.

Aug 25 - Sep 4

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

53h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

3 stops

51h 05m

$1,063

Multiple Airlines

Deal found 6/7

Aug 25 - Sep 4

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

13h 40m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

13h 30m

$1,071

Iberia

Deal found 6/7

Aug 25 - Sep 4

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

35h 51m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

13h 30m

$1,129

Iberia

Deal found 6/7

Aug 21 - Sep 3

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$1,138

Iberia

Deal found 6/7

Aug 21 - Sep 3

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

17h 43m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$1,142

Iberia

Deal found 6/7

Aug 25 - Sep 4

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

13h 40m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

31h 15m

$1,148

American Airlines

Deal found 6/7

Aug 21 - Sep 3

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

14h 07m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

19h 05m

$1,153

American Airlines

Deal found 6/7

Aug 25 - Sep 4

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

53h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

51h 05m

$1,181

Multiple Airlines

Deal found 6/7

Jul 7 - Jul 14

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

17h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

2 stops

20h 12m

$1,201

American Airlines

Deal found 6/7

Cheap Vueling flights from Boston to San Sebastian

Check out some of the cheapest Vueling flights we've come across from Boston to San Sebastian. Come back soon if you're not finding the exact deal you're looking for.

Oct 1 - Oct 11

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

27h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$497

Vueling

Deal found 6/8

Oct 1 - Oct 6

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

27h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$577

Vueling

Deal found 6/8

Sep 27 - Oct 11

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$592

Vueling

Deal found 6/8

Sep 29 - Oct 11

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 10m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$619

Vueling

Deal found 6/8

Sep 27 - Oct 6

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$666

Vueling

Deal found 6/8

Sep 29 - Oct 6

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 10m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$697

Vueling

Deal found 6/8

Oct 1 - Oct 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

27h 05m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$712

Vueling

Deal found 6/8

Sep 27 - Oct 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$806

Vueling

Deal found 6/8

Sep 29 - Oct 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 10m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

18h 35m

$837

Vueling

Deal found 6/8

Cheap Iberia flights from Boston to San Sebastian

To aid your search, here are some of the cheapest Iberia flights we've found from Boston to San Sebastian. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Oct 2 - Oct 12

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$710

Iberia

Deal found 6/8

Oct 1 - Oct 9

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

26h 35m

$720

Iberia

Deal found 6/8

Sep 30 - Oct 9

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

33h 13m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

26h 35m

$735

Iberia

Deal found 6/8

Sep 30 - Oct 10

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$760

Iberia

Deal found 6/8

Sep 30 - Oct 9

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

31h 15m

$770

Iberia

Deal found 6/8

Oct 3 - Oct 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

27h 10m

$779

Iberia

Deal found 6/8

Sep 27 - Oct 10

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$790

Iberia

Deal found 6/8

Oct 1 - Oct 12

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

12h 45m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

11h 35m

$796

Iberia

Deal found 6/8

Sep 27 - Oct 9

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

9h 20m

EAS

San Sebastián

BOS

Boston Logan Intl

1 stop

26h 35m

$800

Iberia

Deal found 6/8

One-way flights to San Sebastian from Boston

Users traveling one-way from Boston to San Sebastian can select one of these great deals. For those needing a return trip from Boston, there is a search form available above.

Sep 9

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

40h 40m

$288

Multiple Airlines

Deal found 6/7

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

55h 55m

$326

Multiple Airlines

Deal found 6/7

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

55h 55m

$342

Multiple Airlines

Deal found 6/8

Sep 7

BOS

Boston Logan Intl

EAS

San Sebastián

2 stops

40h 35m

$393

Multiple Airlines

Deal found 6/7

Sep 7

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

29h 00m

$408

Multiple Airlines

Deal found 6/7

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

52h 55m

$410

Multiple Airlines

Deal found 6/8

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

3 stops

52h 55m

$415

Multiple Airlines

Deal found 6/7

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 10m

$434

Multiple Airlines

Deal found 6/8

Sep 8

BOS

Boston Logan Intl

EAS

San Sebastián

1 stop

12h 10m

$486

Multiple Airlines

Deal found 6/7

Find flights from Boston to San Sebastian within your budget

Fly from

Fly to

Budget

$497 - $724

Route

Depart

Return

Price

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/1

1 stop27h 05m

San Sebastián

Wed 10/11

1 stop18h 35m

$497

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 10/2

2 stops29h 00m

San Sebastián

Wed 10/11

1 stop18h 35m

$558

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/1

1 stop27h 05m

San Sebastián

Fri 10/6

1 stop18h 35m

$577

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Wed 9/27

1 stop12h 45m

San Sebastián

Wed 10/11

1 stop18h 35m

$592

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sat 9/30

3 stops53h 00m

San Sebastián

Mon 10/9

2 stops56h 50m

$665

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Mon 10/2

1 stop9h 20m

San Sebastián

Thu 10/12

1 stop11h 35m

$710

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/1

2 stops18h 13m

San Sebastián

Wed 10/11

1 stop11h 35m

$714

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/1

1 stop9h 20m

San Sebastián

Mon 10/9

1 stop26h 35m

$720

Pick Dates

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 10/1

2 stops22h 14m

San Sebastián

Tue 10/10

1 stop31h 15m

$724

Pick Dates

Flights are sorted by cheapest first

Deals found on 6/8

Reviews of airlines servicing San Sebastian

Read reviews from past customers who have flown Vueling, Iberia and American Airlines from Boston to San Sebastian. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.4

Good

156 reviews

Check prices

Reviews

1 / 10

I was in queue over 1 hr at Taoyuan airport cx drop-off luggage counter, and I had to run to the gate to the flight after x ray check & custom. My flight was on 2 Jun and the flight no CX451. I think the airline should open more counters if more flights onboarding, (it was 4 counters opened for 4 flights). It was hopeless!

Cathay Pacific

7.4

Good

156 reviews

Cathay Pacific

7.4

Good

156 reviews

Check prices

Reviews

1 / 10

I was in queue over 1 hr at Taoyuan airport cx drop-off luggage counter, and I had to run to the gate to the flight after x ray check & custom. My flight was on 2 Jun and the flight no CX451. I think the airline should open more counters if more flights onboarding, (it was 4 counters opened for 4 flights). It was hopeless!

American Airlines

7.3

Good

2,149 reviews

Cathay Pacific

7.4

Good

156 reviews

Check prices

Reviews

1 / 10

I was in queue over 1 hr at Taoyuan airport cx drop-off luggage counter, and I had to run to the gate to the flight after x ray check & custom. My flight was on 2 Jun and the flight no CX451. I think the airline should open more counters if more flights onboarding, (it was 4 counters opened for 4 flights). It was hopeless!

Iberia

7.1

Good

598 reviews

Cathay Pacific

7.4

Good

156 reviews

Check prices

Reviews

1 / 10

I was in queue over 1 hr at Taoyuan airport cx drop-off luggage counter, and I had to run to the gate to the flight after x ray check & custom. My flight was on 2 Jun and the flight no CX451. I think the airline should open more counters if more flights onboarding, (it was 4 counters opened for 4 flights). It was hopeless!

Vueling

6.8

Okay

293 reviews

Cathay Pacific

7.4

Good

156 reviews

Check prices

Reviews

1 / 10

I was in queue over 1 hr at Taoyuan airport cx drop-off luggage counter, and I had to run to the gate to the flight after x ray check & custom. My flight was on 2 Jun and the flight no CX451. I think the airline should open more counters if more flights onboarding, (it was 4 counters opened for 4 flights). It was hopeless!

Related info for your journey

Currently priced at $497, Vueling will fly you from Boston to San Sebastian and back. In addition to Vueling, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Iberia and American Airlines - these airlines can fly you to your destination from $710 and $714, respectively. Vueling is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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Flights from San Sebastian

Top 2 airlines flying from Boston to San Sebastian

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
American Airlines	Cheapest$684	Average$1,029	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Iberia	Cheapest$720	Average$1,318	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Iberia flights

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Cheap flights from Boston (BOS) to San Sebastian (EAS) from $288

This is the cheapest one-way flight price, found on 6/7. Prices may vary by date and flight preferences.

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How to find the cheapest flight from Boston (BOS) to San Sebastian (EAS)

All the information you need to plan the best BOS to EAS flight in 2023: compare Boston to San Sebastian flight prices with the expected peak season, weather and rainfall in San Sebastian.

Popular in

Cheapest in

Average price

Round-trip from

What is the cheapest day to fly round-trip from Boston to San Sebastian?

What is the cheapest month to fly from Boston to San Sebastian?

When is the cheapest time to fly from Boston to San Sebastian (BOS - EAS)?

Cheap flights from Boston to San Sebastian in June, July 2023

The best prices found for BOS to EAS flights for June, July

Check out some of the best flight deals from Boston to San Sebastian in 2023. For more flight deals, be sure to check back very soon.

Boston to San Sebastian 2023 flight deals

Cheap flights to San Sebastian from Boston found for this year

Check out some of the best flight deals from Boston to San Sebastian in 2023. For more flight deals, be sure to check back very soon.

Cheap Vueling flights from Boston to San Sebastian

Check out some of the cheapest Vueling flights we've come across from Boston to San Sebastian. Come back soon if you're not finding the exact deal you're looking for.

Cheap Iberia flights from Boston to San Sebastian

To aid your search, here are some of the cheapest Iberia flights we've found from Boston to San Sebastian. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

One-way flights to San Sebastian from Boston

The cheapest one-way flights from Boston to San Sebastian

Users traveling one-way from Boston to San Sebastian can select one of these great deals. For those needing a return trip from Boston, there is a search form available above.

Find flights from Boston to San Sebastian within your budget

Use the slider to find flights from Boston to San Sebastian that fit your budget.

Reviews of airlines servicing San Sebastian

Read reviews from past customers who have flown Vueling, Iberia and American Airlines from Boston to San Sebastian. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Boston to San Sebastian flights.

Which airlines flying from Boston Logan Intl to San Sebastián have flexible cancellations due to COVID-19?

Can I find flights from Boston to San Sebastian for under $500 on Cheapflights?

What are the cheapest airlines flying from Boston to San Sebastian round-trip?

What are the cheapest airlines to fly from Boston to San Sebastian one-way?

What does BOS to EAS mean?

Other flights from Boston

Flights to San Sebastian from Boston

Top 2 airlines flying from Boston to San Sebastian

The chart below displays the airlines Cheapflights users traveling from Boston to San Sebastian choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2023