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Cheap flights from Boston (BOS) to San Sebastian (EAS) from $603

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 7/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — EAS
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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Cheap flight deals from Boston to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Sebastian (EAS). 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 May 9, 2024.

Popular in

March

Cheapest in

October

Average price

$822

Round-trip from

$571
High demand for flights, 44% potential price rise
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Best time to find cheap flights, 31% potential price drop
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Average for round-trip flights in May 2024
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From Boston Logan Intl to San Sebastián
Search Deals

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 March. For low rates, October can be a great choice for travel to San Sebastian. Flights to San Sebastian from Boston in October are about $940 on average during October, but can be found for as low as $450.

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 in the morning, which can drop the price by up to 20% versus a flight in the afternoon.

Cheap Iberia flights from Boston to San Sebastian

Explore cheap flight options specifically provided by Iberia for the route between Boston and San Sebastian. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Check out some of the cheapest Iberia 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.
Thu 10/315:55 pmBOS - EAS
1 stop9h 45mIberia
Sat 11/98:30 amEAS - BOS
1 stop19h 10mIberia
Deal found 5/8$660
Thu 10/315:55 pmBOS - EAS
1 stop9h 45mIberia
Sat 11/99:20 amEAS - BOS
2 stops18h 20mIberia
Deal found 5/8$664
Sun 9/224:40 pmBOS - EAS
1 stop14h 20mIberia
Sun 9/299:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/8$715
Thu 10/311:32 pmBOS - EAS
2 stops18h 28mIberia
Sat 11/99:20 amEAS - BOS
2 stops18h 20mIberia
Deal found 5/8$759
Sun 9/2210:55 pmBOS - EAS
2 stops15h 55mIberia
Sun 9/291:40 pmEAS - BOS
2 stops15h 55mIberia
Deal found 5/8$851
Sat 6/111:40 amBOS - EAS
2 stops15h 00mIberia
Mon 6/171:40 pmEAS - BOS
1 stop31h 25mIberia
Deal found 5/8$1,129
Sat 6/111:40 amBOS - EAS
2 stops15h 00mIberia
Mon 6/171:40 pmEAS - BOS
2 stops16h 42mIberia
Deal found 5/8$1,179
Sun 5/2611:39 amBOS - EAS
2 stops15h 01mIberia
Sat 6/19:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/8$1,251
Mon 9/3010:55 pmBOS - EAS
1 stop12h 55mIberia
Fri 10/49:20 amEAS - BOS
1 stop11h 45mIberia
Deal found 5/7$1,297

Cheap Vueling flights from Boston to San Sebastian

Explore cheap flight options specifically provided by Vueling for the route between Boston and San Sebastian. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
To aid your search, here are some of the cheapest Vueling 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.
Thu 7/1810:55 pmBOS - EAS
1 stop12h 25mVueling
Tue 7/236:35 pmEAS - BOS
1 stop32h 35mVueling
Deal found 5/8$943
Sat 6/111:00 pmBOS - EAS
1 stop11h 50mVueling
Mon 6/171:30 pmEAS - BOS
1 stop13h 40mVueling
Deal found 5/8$1,159

Cheap Boston to San Sebastian flights in May & June 2024

Find cheap flight options from Boston to San Sebastian specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 9, 2024.
Check out some of the best flight deals from Boston to San Sebastian in 2024. For more flight deals, be sure to check back very soon.
Sat 6/13:36 pmBOS - EAS
3 stops39h 19mMultiple Airlines
Mon 6/175:55 pmEAS - BOS
2 stops26h 15mMultiple Airlines
Deal found 5/8$1,081
Sat 6/111:40 amBOS - EAS
2 stops15h 00mIberia
Mon 6/171:40 pmEAS - BOS
1 stop31h 25mIberia
Deal found 5/8$1,129
Sat 6/111:00 pmBOS - EAS
1 stop11h 50mVueling
Mon 6/171:30 pmEAS - BOS
1 stop13h 40mVueling
Deal found 5/8$1,159
Sat 6/111:40 amBOS - EAS
2 stops15h 00mIberia
Mon 6/171:40 pmEAS - BOS
2 stops16h 42mIberia
Deal found 5/8$1,179
Sun 5/261:38 pmBOS - EAS
2 stops25h 12mMultiple Airlines
Sat 6/19:10 pmEAS - BOS
2 stops20h 45mMultiple Airlines
Deal found 5/8$1,183
Sat 6/13:36 pmBOS - EAS
3 stops39h 19mMultiple Airlines
Mon 6/175:55 pmEAS - BOS
3 stops26h 15mMultiple Airlines
Deal found 5/8$1,222
Sun 5/2611:39 amBOS - EAS
2 stops15h 01mIberia
Sat 6/19:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/8$1,251
Sun 5/2611:05 pmBOS - EAS
1 stop12h 15mIberia
Sat 6/19:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/8$1,688
Sat 5/2512:15 amBOS - EAS
2 stops26h 25mAvianca
Sat 6/19:30 pmEAS - BOS
2 stops46h 55mAvianca
Deal found 5/8$1,990

Boston to San Sebastian 2024 flight deals

Discover exclusive flight deals for travel between Boston and San Sebastian in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Check out some of the best flight deals from Boston to San Sebastian in 2024. For more flight deals, be sure to check back very soon.
Thu 10/315:55 pmBOS - EAS
1 stop9h 45mIberia
Sat 11/98:30 amEAS - BOS
1 stop19h 10mIberia
Deal found 5/8$660
Thu 10/315:55 pmBOS - EAS
1 stop9h 45mIberia
Sat 11/99:20 amEAS - BOS
2 stops18h 20mIberia
Deal found 5/8$664
Sun 9/2210:55 pmBOS - EAS
1 stop12h 25mMultiple Airlines
Sun 9/298:30 pmEAS - BOS
2 stops30h 40mMultiple Airlines
Deal found 5/8$684
Sun 9/224:40 pmBOS - EAS
1 stop14h 20mIberia
Sun 9/299:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/8$715
Thu 10/311:32 pmBOS - EAS
2 stops18h 28mIberia
Sat 11/99:20 amEAS - BOS
2 stops18h 20mIberia
Deal found 5/8$759
Sun 9/2210:55 pmBOS - EAS
2 stops15h 55mIberia
Sun 9/291:40 pmEAS - BOS
2 stops15h 55mIberia
Deal found 5/8$851
Thu 7/1810:55 pmBOS - EAS
1 stop12h 25mVueling
Tue 7/236:35 pmEAS - BOS
1 stop32h 35mVueling
Deal found 5/8$943
Thu 7/187:15 pmBOS - EAS
2 stops31h 25mMultiple Airlines
Tue 7/231:40 pmEAS - BOS
2 stops15h 00mMultiple Airlines
Deal found 5/8$1,005
Thu 7/188:50 pmBOS - EAS
3 stops29h 35mMultiple Airlines
Tue 7/236:35 pmEAS - BOS
3 stops29h 25mMultiple Airlines
Deal found 5/8$1,061

One-way flights to San Sebastian from Boston

Search for one-way flight options from Boston to San Sebastian. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
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.
Sat 7/135:45 pmBOS - EAS
2 stops56h 55mIberia
Deal found 5/8$603
Sat 5/257:15 pmBOS - EAS
2 stops31h 25mMultiple Airlines
Deal found 5/8$653
Wed 7/310:55 pmBOS - EAS
2 stops15h 55mIberia
Deal found 5/8$807
Wed 7/311:35 pmBOS - EAS
3 stops51h 05mMultiple Airlines
Deal found 5/8$868
Sat 7/1310:55 pmBOS - EAS
1 stop11h 50mVueling
Deal found 5/8$898
Wed 7/310:55 pmBOS - EAS
1 stop12h 45mVueling
Deal found 5/8$899
Wed 7/34:40 pmBOS - EAS
1 stop22h 10mIberia
Deal found 5/8$1,652
Sat 5/254:40 pmBOS - EAS
1 stop22h 10mIberia
Deal found 5/8$1,753
Tue 7/212:15 amBOS - EAS
2 stops30h 45mAvianca
Deal found 5/8$2,381

Find flights from Boston to San Sebastian within your budget

Customize your flight search to find flights from Boston to San Sebastian 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 2,749,864 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$660 - $1,990

Route

Depart

Return

Price

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 10/31

1 stop9h 45m

San Sebastián

Sat 11/9

1 stop19h 10m

$660

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 10/31

1 stop9h 45m

San Sebastián

Sat 11/9

2 stops18h 20m

$664

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/22

1 stop12h 25m

San Sebastián

Sun 9/29

2 stops30h 40m

$684

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/22

1 stop14h 20m

San Sebastián

Sun 9/29

1 stop23h 35m

$715

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 10/31

2 stops18h 28m

San Sebastián

Sat 11/9

2 stops18h 20m

$759

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sun 9/22

2 stops15h 55m

San Sebastián

Sun 9/29

2 stops15h 55m

$851

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 7/18

1 stop12h 25m

San Sebastián

Tue 7/23

1 stop32h 35m

$943

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Thu 7/18

2 stops31h 25m

San Sebastián

Tue 7/23

2 stops15h 00m

$1,005

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

Sat 5/25

2 stops26h 25m

San Sebastián

Sat 6/1

2 stops46h 55m

$1,990

Flights are sorted by cheapest first

Deals found on 5/8

When is the cheapest time to fly from Boston to San Sebastian?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Sebastian. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to San Sebastian flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Sebastian by month

Plan your trip from Boston to San Sebastian by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to San Sebastian is currently $1,168 while a round-trip flight costs $919. Price data was last updated on May 5, 2024.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. 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 San Sebastian. Reviews last updated May 9, 2024.
Read reviews from past customers who have flown Iberia, Vueling and Avianca 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.
Avianca
7.5
Good
3,830 reviews
Check prices

Crew

7.9

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

6.3

Reviews

1 / 10

Primero cambiaron mi vuelo, y debí llegar a mi país a las 3pm y llegué a las 11pm. Un desastre, sin entretenimiento en cabina, y sin comida, que había que paga aparte.

Avianca
7.5
Good
3,830 reviews
Avianca
7.5
Good
3,830 reviews
Check prices

Crew

7.9

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

6.3

Reviews

1 / 10

Primero cambiaron mi vuelo, y debí llegar a mi país a las 3pm y llegué a las 11pm. Un desastre, sin entretenimiento en cabina, y sin comida, que había que paga aparte.

Iberia
7.1
Good
2,745 reviews
Avianca
7.5
Good
3,830 reviews
Check prices

Crew

7.9

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

6.3

Reviews

1 / 10

Primero cambiaron mi vuelo, y debí llegar a mi país a las 3pm y llegué a las 11pm. Un desastre, sin entretenimiento en cabina, y sin comida, que había que paga aparte.

Vueling
7.0
Good
1,466 reviews
Avianca
7.5
Good
3,830 reviews
Check prices

Crew

7.9

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Food

6.3

Reviews

1 / 10

Primero cambiaron mi vuelo, y debí llegar a mi país a las 3pm y llegué a las 11pm. Un desastre, sin entretenimiento en cabina, y sin comida, que había que paga aparte.

Related info for your journey

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

  • Can I find flights from Boston to San Sebastian for under $700 on Cheapflights?

    Yes, there are multiple flights from Boston to San Sebastian for under $700. The cheapest flight booked recently is on Iberia for just $660, but on average you can expect to pay $1,053.

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

    Currently priced at $660, Iberia will fly you from Boston to San Sebastian and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Vueling and Avianca - these airlines can fly you to your destination from $943 and $1,990, respectively. Iberia is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

    $603 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 Avianca, with prices starting from $898 and $2,381, respectively.

  • 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.

  • Can I find deals for flights from Boston to San Sebastian that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to San Sebastian flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to San Sebastian with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to San Sebastian flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Boston to San Sebastian that allow pets onboard?

    Many airlines flying from Boston to San Sebastian offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to San Sebastian?

    Yes, you can often find last-minute deals on Boston to San Sebastian flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to San Sebastian flight deals updated?

    The Boston to San Sebastian flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for Boston to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.

Boston to Bilbao flights

Top 2 airlines flying from Boston to San Sebastian

Discover the top 2 airlines that operate flights from Boston to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$607Average$796FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest$636Average$988FlexibilityNo cancel feeOn-time77%
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Search flights from Boston to San Sebastian by cabin class

Find flights from Boston to San Sebastian, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to San Sebastian?

Deals for Boston to San Sebastian flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Boston to San Sebastian?

Cheapflights helps you find that perfect flight to San Sebastian from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to San Sebastian with no change fees?

Need flexible booking options for your flight to San Sebastian from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to San Sebastian become cheaper?

Not ready to book yet? You can track prices for flights from Boston to San Sebastian on Cheapflights with our Price Alert feature and get notified when better prices are available.

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