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$392+ Cheap flights from San Sebastian (EAS) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — BOS
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from San Sebastian to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for San Sebastián-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Sebastián-Boston Logan Intl flights.
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Find flight deals from San Sebastian to Boston

One-way flights from San Sebastian to Boston
Search for one-way flight options from San Sebastian to Boston. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

This Booking.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:05 amEAS - BOS
1 stop18h 10mVueling
Deal found 4/2$392
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/119:30 pmEAS - BOS
2 stops29h 45mMultiple Airlines
Deal found 4/2$431
This Iberia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:25 amEAS - BOS
1 stop17h 50mIberia
Deal found 4/3$490

Cheapflights Fare Finder

Customize your flight search to find flights from San Sebastian to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
Use the filters below to find and compare flights from San Sebastian to Boston that are best for you.

Fly from

San Sebastian

Fly to

Boston

Route

Depart

Return

Price

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Thu 7/10

9:05 am-9:15 pm

1 stop18h 10m

$392

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Fri 7/11

9:30 pm-9:15 pm

2 stops29h 45m

$431

San SebastianBoston

EAS - BOS

EASBOS

San Sebastián

Sun 9/7

9:25 am-9:15 pm

1 stop17h 50m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

  • Most accurate provider: When it comes to deals on San Sebastian-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Sebastian-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Sebastian-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Sebastian-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Sebastian-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Sebastian to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Sebastian with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Sebastian to Boston

What is the cheapest month to book a flight from San Sebastian to Boston?

Currently, January is the cheapest month in which you can book a flight from San Sebastian to Boston (average of $218). Flying from San Sebastian to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated April 3, 2025.
Vueling
7.1
Good
1,149 reviews

Overall

7.1

Entertainment

5.8

Crew

7.6

Comfort

6.8

Boarding

7.1

Food

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Vueling
7.1
Good
1,149 reviews
Vueling
7.1
Good
1,149 reviews

Overall

7.1

Entertainment

5.8

Crew

7.6

Comfort

6.8

Boarding

7.1

Food

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Iberia
7.0
Good
2,657 reviews
Vueling
7.1
Good
1,149 reviews

Overall

7.1

Entertainment

5.8

Crew

7.6

Comfort

6.8

Boarding

7.1

Food

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from San Sebastian to Boston that include hotel bookings?

    Yes. In addition to deals on San Sebastian to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Sebastian to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Sebastian to Boston.

  • Can I find deals for business class flights from San Sebastian to Boston?

    Yes. Cheapflights offers flight deals from San Sebastian to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Sebastian to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Sebastian to Boston (average of $218). Flying from San Sebastian to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Warwick
Marlborough
Waltham
Cambridge
Framingham
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
West Yarmouth
Woburn
Somerville
Saco
Burlington
Smithfield
Salem
Chelsea
Seabrook
Brookline

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