How does KAYAK find such low prices on flights from Massachusetts to San Sebastian?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to San Sebastian. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Sebastian?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Massachusetts to San Sebastian?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Massachusetts with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to San Sebastian?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$373 CHEAP FLIGHTS from Massachusetts to San Sebastian

EAS

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

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Cheap Flights from Massachusetts to San Sebastian

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Massachusetts to San Sebastian

Fri, May 1 - Sat, May 16

10:50 pm - 8:20 am

BOS

EAS

27h 30m

1 stop

8:55 am - 9:05 pm

EAS

BOS

18h 10m

1 stop

$551LEVEL

Wed, Aug 12 - Sun, Aug 23

11:00 pm - 8:20 am

BOS

EAS

27h 20m

1 stop

8:55 am - 10:05 pm

EAS

BOS

19h 10m

1 stop

$671LEVEL

Fri, May 1 - Sat, May 16

10:50 pm - 8:20 am

BOS

EAS

27h 30m

1 stop

8:55 am - 9:05 pm

EAS

BOS

18h 10m

1 stop

$711LEVEL

Mon, Aug 10 - Sun, Aug 30

5:40 pm - 1:00 pm

BOS

EAS

13h 20m

1 stop

8:55 am - 10:05 pm

EAS

BOS

19h 10m

1 stop

$804Multiple Airlines

Sat, Aug 15 - Mon, Aug 31

5:40 pm - 8:40 am

BOS

EAS

33h 00m

1 stop

8:55 am - 9:15 pm

EAS

BOS

18h 20m

1 stop

$840Multiple Airlines

Fri, Aug 14 - Mon, Aug 31

9:20 pm - 8:50 pm

BOS

EAS

17h 30m

1 stop

8:55 am - 9:15 pm

EAS

BOS

18h 20m

1 stop

$864Multiple Airlines

Tue, Sep 8 - Sun, Sep 20

11:00 pm - 5:20 pm

BOS

EAS

12h 20m

1 stop

8:55 am - 10:05 pm

EAS

BOS

19h 10m

1 stop

$881Iberia

Mon, May 4 - Tue, May 12

9:20 pm - 1:00 pm

BOS

EAS

9h 40m

1 stop

9:20 am - 7:25 pm

EAS

BOS

16h 05m

1 stop

$883Iberia

Tue, Sep 8 - Sun, Sep 20

11:00 pm - 5:20 pm

BOS

EAS

12h 20m

1 stop

9:30 pm - 4:10 pm

EAS

BOS

24h 40m

1 stop

$884Iberia

Sun, May 3 - Mon, May 11

9:20 pm - 8:50 pm

BOS

EAS

17h 30m

1 stop

9:30 pm - 7:25 pm

EAS

BOS

27h 55m

1 stop

$894Iberia

Useful Info

Low season	January
High season	May
Cheapest flight	$373

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 16% lower on average.

Flight from Boston to San Sebastian

How does KAYAK find such low prices on flights from Massachusetts to San Sebastian?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to San Sebastian.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Sebastian?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Massachusetts to San Sebastian?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to San Sebastian?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hondarribia

Irun

Everything you need to know for your flight to San Sebastian

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Sebastian

San Sebastian (EAS)

EAS

$373 Find Cheap Flights from Massachusetts to San Sebastian

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

Cheap Flights from Massachusetts to San Sebastian

Recent round-trip flight deals from Massachusetts to San Sebastian

Recent one-way flight deals from Massachusetts to San Sebastian

Good to know

FAQs for booking flights from Massachusetts to San Sebastian

How does KAYAK find such low prices on flights from Massachusetts to San Sebastian?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to San Sebastian.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Sebastian?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Massachusetts to San Sebastian?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Massachusetts with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to San Sebastian?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Sebastian?

Everything you need to know for your flight to San Sebastian

Information on the airport you'll fly into in San Sebastian

Cabin class types available on flights to Massachusetts

Complete your trip to San Sebastian with a hotel stay or car rental

Find direct flights for San Sebastian

Flights to other popular destinations

Flights from domestic origins to San Sebastian

Choose which airport to fly into in San Sebastian

Find deals for your return flight