$828+ Cheap flights from Boston (BOS) to Santander (SDR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SDR
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Santander with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Santander
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Best
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Cheapest flights from Boston to SantanderExplore the most affordable flight options available from Boston to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Boston to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Iberia deal was found by Cheapflights users on 6/13. 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.
Wed 9/1610:55 pm
BOS
- SDR
1 stop13h 10m
Iberia
Sun 9/279:20 am
SDR
- BOS
1 stop16h 25m
Iberia
Deal found 6/13![Iberia logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
Multiple Airlines
Wed 8/58:50 pm
SDR
- BOS
2 stops25h 47m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$949
This Rumbo deal was found by Cheapflights users on 6/13. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:20 pm
BOS
- SDR
1 stop13h 40m
Iberia
Tue 7/216:30 am
SDR
- BOS
1 stop19h 20m
Iberia
Deal found 6/13![Iberia logo]()
$1,043
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:30 pm
BOS
- SDR
1 stop17h 30m
British Airways
Thu 12/36:30 am
SDR
- BOS
1 stop19h 30m
British Airways
Deal found 6/14![British Airways logo]()
$1,053
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:30 pm
BOS
- SDR
1 stop13h 30m
British Airways
Thu 11/195:40 pm
SDR
- BOS
1 stop32h 20m
British Airways
Deal found 6/11![British Airways logo]()
$1,064
This LEVEL deal was found by Cheapflights users on 6/10. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
LEVEL
Wed 8/52:30 pm
SDR
- BOS
1 stop12h 35m
LEVEL
Deal found 6/10![LEVEL logo]()
$1,081
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
BOS
- SDR
3 stops27h 05m
Multiple Airlines
Sun 9/275:40 pm
SDR
- BOS
2 stops32h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,108
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:20 pm
BOS
- SDR
1 stop18h 30m
Iberia
Sat 8/19:35 pm
SDR
- BOS
1 stop27h 35m
Iberia
Deal found 6/10![Iberia logo]()
$1,162
Best flights from Boston to SantanderDiscover carefully curated flight deals from Boston to Santander that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Boston to Santander that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
Multiple Airlines
Wed 8/58:50 pm
SDR
- BOS
2 stops25h 47m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$949
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:30 pm
BOS
- SDR
1 stop17h 30m
British Airways
Thu 12/36:30 am
SDR
- BOS
1 stop19h 30m
British Airways
Deal found 6/14![British Airways logo]()
$1,053
This LEVEL deal was found by Cheapflights users on 6/10. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
LEVEL
Wed 8/52:30 pm
SDR
- BOS
1 stop12h 35m
LEVEL
Deal found 6/10![LEVEL logo]()
$1,081
This Booking.com deal was found by Cheapflights users on 6/13. 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.
Wed 9/165:28 pm
BOS
- SDR
2 stops41h 32m
British Airways
Sun 9/279:20 am
SDR
- BOS
2 stops20h 08m
British Airways
Deal found 6/13![British Airways logo]()
$1,064
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:30 pm
BOS
- SDR
1 stop13h 30m
British Airways
Thu 11/195:40 pm
SDR
- BOS
1 stop32h 20m
British Airways
Deal found 6/12![British Airways logo]()
$1,064
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:40 am
BOS
- SDR
3 stops22h 25m
Multiple Airlines
Sun 9/279:10 pm
SDR
- BOS
3 stops30h 16m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,287
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:20 pm
BOS
- SDR
1 stop13h 40m
British Airways
Sat 8/299:20 am
SDR
- BOS
1 stop16h 30m
British Airways
Deal found 6/14![British Airways logo]()
$1,347
Last-minute flights from Boston to SantanderDiscover last-minute flight deals from Boston to Santander. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Santander. Data last updated June 15, 2026 and is based on user searches.
This Rumbo deal was found by Cheapflights users on 6/13. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:20 pm
BOS
- SDR
1 stop13h 40m
Iberia
Tue 7/216:30 am
SDR
- BOS
1 stop19h 20m
Iberia
Deal found 6/13![Iberia logo]()
$1,043
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:20 pm
BOS
- SDR
1 stop18h 30m
Iberia
Sat 8/19:35 pm
SDR
- BOS
1 stop27h 35m
Iberia
Deal found 6/10![Iberia logo]()
$1,162
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:50 pm
BOS
- SDR
2 stops14h 10m
Multiple Airlines
Sat 8/13:10 pm
SDR
- BOS
3 stops29h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,215
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
Multiple Airlines
Wed 8/58:50 pm
SDR
- BOS
2 stops25h 47m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$949
This LEVEL deal was found by Cheapflights users on 6/10. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- SDR
1 stop12h 20m
LEVEL
Wed 8/52:30 pm
SDR
- BOS
1 stop12h 35m
LEVEL
Deal found 6/10![LEVEL logo]()
$1,081
One-way flights from Boston to SantanderSearch for one-way flight options from Boston to Santander. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Boston to Santander. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:20 pm
BOS
- SDR
1 stop18h 30m
British Airways
Deal found 6/14![British Airways logo]()
$930
This Iberia deal was found by Cheapflights users on 6/14. 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.
Sat 8/2211:55 am
BOS
- SDR
2 stops14h 50m
Iberia
Deal found 6/14![Iberia logo]()
$948
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:50 pm
BOS
- SDR
2 stops13h 10m
Iberia
Deal found 6/11![Iberia logo]()
$1,761
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:40 pm
BOS
- SDR
1 stop9h 50m
Iberia
Deal found 6/13![Iberia logo]()
$1,995
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:50 pm
BOS
- SDR
2 stops13h 10m
British Airways
Deal found 6/10![British Airways logo]()
$2,631
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:40 pm
BOS
- SDR
1 stop9h 50m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$2,701
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:50 pm
BOS
- SDR
2 stops13h 10m
British Airways
Deal found 6/13![British Airways logo]()
$3,045
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:50 pm
BOS
- SDR
2 stops13h 10m
Iberia
Deal found 6/13![Iberia logo]()
$4,188
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:50 pm
BOS
- SDR
2 stops13h 10m
Iberia
Deal found 6/14![Iberia logo]()
$4,648
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:40 pm
BOS
- SDR
1 stop9h 50m
Iberia
Deal found 6/11![Iberia logo]()
$7,530
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:55 pm
BOS
- SDR
2 stops13h 05m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$11,303
Find flight deals from Boston to Santander
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santander (SDR). 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 June 15, 2026.
Most accurate provider | Trip.com 1 star |
|---|---|
Most trusted provider | Trip.com 3 stars |
Round-trip from | $828 (Iberia) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Santander 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 June 15, 2026.
Use the filters below to find and compare flights from Boston to Santander that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Thu 7/30
11:35 pm-5:55 pm
1 stop12h 20m
Santander
Wed 8/5
8:50 pm-4:37 pm
2 stops25h 47m
$949
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Sun 11/29
9:30 pm-9:00 pm
1 stop17h 30m
Santander
Thu 12/3
6:30 am-8:00 pm
1 stop19h 30m
$1,053
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Wed 9/16
5:28 pm-5:00 pm
2 stops41h 32m
Santander
Sun 9/27
9:20 am-11:28 pm
2 stops20h 08m
$1,064
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Sun 11/15
9:30 pm-5:00 pm
1 stop13h 30m
Santander
Thu 11/19
5:40 pm-8:00 pm
1 stop32h 20m
$1,064
Quickest round-trip
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Thu 7/30
11:35 pm-5:55 pm
1 stop12h 20m
Santander
Wed 8/5
2:30 pm-9:05 pm
1 stop12h 35m
$1,081
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Wed 9/16
10:40 am-3:05 pm
3 stops22h 25m
Santander
Sun 9/27
9:10 pm-9:26 pm
3 stops30h 16m
$1,287
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Sat 8/22
9:20 pm-5:00 pm
1 stop13h 40m
Santander
Sat 8/29
9:20 am-7:50 pm
1 stop16h 30m
$1,347
Cheapest one-way
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Sat 8/22
9:20 pm-9:50 pm
1 stop18h 30m
$930
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Sat 8/22
11:55 am-8:45 am
2 stops14h 50m
$948
BostonSantander
BOS - SDR
BOSSDR
Boston Logan Intl
Fri 9/4
9:50 pm-5:00 pm
2 stops13h 10m
$1,761
Showing 1-10 of 17 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Boston-Santander flights, users find the pricing of Trip.com to be most consistent on Cheapflights vs. Trip.com Users can find the same prices on Boston-Santander flight deals on Cheapflights vs. Trip.com <90% of the time. Price accuracy is based on data collected from Boston-Santander flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Santander flights, Cheapflights users trust Trip.com the most. Trip.com 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 Boston-Santander 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 Boston to Santander
Have a flexible travel schedule? Discover the best time to fly to Santander from Boston with our price prediction graph.
BOS-SDR
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 Santander
Get insights into the airlines that provide service to Santander. 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 Santander. Reviews last updated June 15, 2026.
Read through reviews of airlines operating flights from Boston to Santander, such as Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.3
Entertainment
6.6
Crew
7.7
Comfort
6.7
Boarding
7.2
Overall
7.0
Reviews
1 / 20
2.0
MediocreT,Jun 2026
JFK - MAD
Food
6.3
Entertainment
6.6
Crew
7.7
Comfort
6.7
Boarding
7.2
Overall
7.0
Reviews
1 / 20
2.0
MediocreT,Jun 2026
JFK - MAD
Related info for your journey
Find useful and relevant information for your journey from Boston to Santander. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to Santander
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Complete your trip
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Boston and Santander flights
Browse other Boston and Santander flight options. Last updated on June 15, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to Santander
Discover the top airline that operate flights from Boston to Santander. 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$803 | FlexibilityNo cancel fee | On-time77% |