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Cheap flights from Boston (BOS) to San Sebastian (EAS) from $446

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 6/30. 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
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
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 mayo 28, 2024.

Popular in

March

Cheapest in

October

Average price

$822

Round-trip from

$571
High demand for flights, 45% potential price rise
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Best time to find cheap flights, 31% potential price drop
Search Deals
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 $933 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 2,740,132 searches. Data last updated mayo 28, 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.
dom. 8/184:40 pmBOS - EAS
1 stop14h 20mIberia
sáb. 8/249:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/27$818
jue. 7/44:40 pmBOS - EAS
1 stop10h 00mIberia
sáb. 7/139:30 pmEAS - BOS
2 stops32h 46mIberia
Deal found 5/27$945
sáb. 8/104:40 pmBOS - EAS
1 stop10h 00mIberia
vie. 8/169:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/27$983
mié. 6/262:18 pmBOS - EAS
2 stops16h 42mIberia
mié. 7/31:40 pmEAS - BOS
2 stops16h 42mIberia
Deal found 5/27$1,168
sáb. 8/1010:34 amBOS - EAS
2 stops16h 06mIberia
vie. 8/169:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/27$1,190
lun. 6/172:18 pmBOS - EAS
2 stops36h 22mIberia
mar. 7/29:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/27$1,337
jue. 6/204:40 pmBOS - EAS
1 stop14h 20mIberia
dom. 6/235:20 pmEAS - BOS
2 stops35h 20mIberia
Deal found 5/27$2,462
jue. 6/204:40 pmBOS - EAS
1 stop14h 20mIberia
dom. 6/231:40 pmEAS - BOS
1 stop31h 25mIberia
Deal found 5/27$2,838

Cheap American Airlines flights from Boston to San Sebastian

Explore cheap flight options specifically provided by American Airlines 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 2,740,132 searches. Data last updated mayo 28, 2024.
To aid your search, here are some of the cheapest American Airlines 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.
mié. 6/264:40 pmBOS - EAS
1 stop10h 00mAmerican Airlines
mié. 7/39:20 amEAS - BOS
2 stops20h 31mAmerican Airlines
Deal found 5/27$995
lun. 6/1710:23 amBOS - EAS
2 stops20h 37mAmerican Airlines
mar. 7/29:20 amEAS - BOS
2 stops20h 31mAmerican Airlines
Deal found 5/27$1,020
jue. 6/202:09 pmBOS - EAS
2 stops24h 41mAmerican Airlines
dom. 6/231:40 pmEAS - BOS
2 stops37h 03mAmerican Airlines
Deal found 5/27$2,453

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 2,740,132 searches. Prices were last updated on mayo 28, 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.
jue. 6/2010:23 amBOS - EAS
2 stops20h 37mAmerican Airlines
mar. 6/251:40 pmEAS - BOS
2 stops14h 57mAmerican Airlines
Deal found 5/28$907
mié. 6/264:40 pmBOS - EAS
1 stop10h 00mAmerican Airlines
mié. 7/39:20 amEAS - BOS
2 stops20h 31mAmerican Airlines
Deal found 5/27$995
lun. 6/1710:23 amBOS - EAS
2 stops20h 37mAmerican Airlines
mar. 7/29:20 amEAS - BOS
2 stops20h 31mAmerican Airlines
Deal found 5/27$1,020
jue. 6/204:40 pmBOS - EAS
1 stop14h 20mIberia
mar. 6/251:40 pmEAS - BOS
2 stops16h 42mIberia
Deal found 5/28$1,096
mié. 6/262:18 pmBOS - EAS
2 stops16h 42mIberia
mié. 7/31:40 pmEAS - BOS
2 stops16h 42mIberia
Deal found 5/27$1,168
lun. 6/177:15 pmBOS - EAS
3 stops31h 20mMultiple Airlines
mar. 7/26:35 pmEAS - BOS
2 stops25h 35mMultiple Airlines
Deal found 5/27$1,255
lun. 6/177:15 pmBOS - EAS
3 stops31h 20mMultiple Airlines
mar. 7/26:35 pmEAS - BOS
3 stops29h 25mMultiple Airlines
Deal found 5/27$1,269
mié. 6/267:15 pmBOS - EAS
3 stops35h 45mMultiple Airlines
mié. 7/32:10 pmEAS - BOS
3 stops33h 50mMultiple Airlines
Deal found 5/27$1,318
mié. 6/267:15 pmBOS - EAS
3 stops35h 45mMultiple Airlines
mié. 7/32:10 pmEAS - BOS
2 stops30h 00mMultiple Airlines
Deal found 5/27$1,332

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 2,740,132 searches. Data last updated mayo 28, 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.
mar. 9/247:35 amBOS - EAS
2 stops19h 05mIberia
mié. 10/29:20 amEAS - BOS
1 stop11h 45mIberia
Deal found 5/28$601
mar. 10/14:40 pmBOS - EAS
1 stop10h 00mIberia
jue. 10/179:20 amEAS - BOS
1 stop11h 45mIberia
Deal found 5/27$603
mar. 10/18:54 amBOS - EAS
2 stops17h 46mIberia
jue. 10/179:20 amEAS - BOS
1 stop11h 45mIberia
Deal found 5/27$607
jue. 10/315:55 pmBOS - EAS
1 stop14h 05mIberia
sáb. 11/98:30 amEAS - BOS
1 stop19h 10mIberia
Deal found 5/27$630
mar. 10/17:10 pmBOS - EAS
2 stops19h 40mBritish Airways
jue. 10/171:40 pmEAS - BOS
2 stops15h 55mBritish Airways
Deal found 5/27$639
jue. 10/315:55 pmBOS - EAS
1 stop9h 45mAmerican Airlines
sáb. 11/91:40 pmEAS - BOS
2 stops14h 17mAmerican Airlines
Deal found 5/27$643
mar. 9/2410:55 pmBOS - EAS
2 stops15h 55mIberia
mié. 10/29:20 amEAS - BOS
2 stops17h 50mIberia
Deal found 5/28$746
jue. 10/315:30 pmBOS - EAS
2 stops14h 30mIberia
sáb. 11/91:40 pmEAS - BOS
2 stops15h 40mIberia
Deal found 5/27$761
dom. 8/184:40 pmBOS - EAS
1 stop14h 20mIberia
sáb. 8/249:30 pmEAS - BOS
1 stop23h 35mIberia
Deal found 5/27$818

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 2,740,132 searches. Data last updated mayo 28, 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.
dom. 6/3010:41 amBOS - EAS
3 stops42h 04mMultiple Airlines
Deal found 5/27$446
vie. 6/77:15 pmBOS - EAS
3 stops30h 50mMultiple Airlines
Deal found 5/27$509
sáb. 7/135:45 pmBOS - EAS
2 stops32h 55mAmerican Airlines
Deal found 5/27$529
sáb. 7/135:45 pmBOS - EAS
2 stops56h 55mIberia
Deal found 5/28$551
sáb. 6/297:38 pmBOS - EAS
3 stops55h 02mMultiple Airlines
Deal found 5/27$585
sáb. 6/299:17 pmBOS - EAS
2 stops53h 23mMultiple Airlines
Deal found 5/27$592
sáb. 7/1311:35 pmBOS - EAS
3 stops27h 05mMultiple Airlines
Deal found 5/28$611
dom. 6/307:15 pmBOS - EAS
2 stops40h 40mMultiple Airlines
Deal found 5/27$629
vie. 6/77:15 pmBOS - EAS
2 stops55h 25mMultiple Airlines
Deal found 5/27$655

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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$818 - $1,911

Route

Depart

Return

Price

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

dom. 8/18

1 stop14h 20m

San Sebastián

sáb. 8/24

1 stop23h 35m

$818

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

dom. 8/18

2 stops27h 45m

San Sebastián

sáb. 8/24

1 stop18h 10m

$898

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

jue. 7/4

1 stop10h 00m

San Sebastián

sáb. 7/13

2 stops32h 46m

$945

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

sáb. 8/10

1 stop10h 00m

San Sebastián

vie. 8/16

1 stop23h 35m

$983

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

mié. 6/26

1 stop10h 00m

San Sebastián

mié. 7/3

2 stops20h 31m

$995

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

lun. 6/17

2 stops20h 37m

San Sebastián

mar. 7/2

2 stops20h 31m

$1,020

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

jue. 7/4

1 stop10h 00m

San Sebastián

sáb. 7/13

1 stop23h 35m

$1,150

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

lun. 6/17

1 stop27h 40m

San Sebastián

mar. 7/2

1 stop13h 35m

$1,389

Boston Logan IntlSan Sebastián

BOS - EAS

BOSEAS

Boston Logan Intl

mar. 6/25

2 stops26h 25m

San Sebastián

mié. 7/3

2 stops31h 19m

$1,911

Flights are sorted by cheapest first

Deals found on 5/27

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 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to San Sebastian flight should consider departing on Thursday 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

Best time to book a flight from Boston to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Boston 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.

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 mayo 28, 2024.
Read reviews from past customers who have flown Iberia, American Airlines 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
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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
3,661 reviews
Avianca
7.5
Good
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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.

American Airlines
7.3
Good
14,316 reviews
Avianca
7.5
Good
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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
2,742 reviews
Avianca
7.5
Good
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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
1,424 reviews
Avianca
7.5
Good
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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.

British Airways
6.8
Okay
6,766 reviews
Avianca
7.5
Good
3,661 reviews
Check prices

Boarding

7.7

Crew

7.9

Comfort

7.3

Food

6.3

Entertainment

6.7

Overall

7.5

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 $900 on Cheapflights?

    Yes, there are multiple flights from Boston to San Sebastian for under $900. The cheapest flight booked recently is on Iberia for just $818, but on average you can expect to pay $1,160.

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

    Currently priced at $818, 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 American Airlines and British Airways - these airlines can fly you to your destination from $995 and $1,150, respectively. Iberia is priced at 12% 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?

    $529 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Iberia and Vueling, with prices starting from $551 and $809, 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 5/28.

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
Hartford 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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$607Average$796FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest$640Average$987FlexibilityNo cancel feeOn-time77%
Search Iberia flights
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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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