$309+ Cheap flights from Massachusetts to Santos Dumont, Brazil (SDU)
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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SDU
Jan 20 — Jan 271
1 adult, Economy
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Cheapest flights from Massachusetts to Santos DumontExplore the most affordable flight options available from Massachusetts to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
Explore the most affordable flight options available from Massachusetts to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.
This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:55 amBOS - SDU
1 stop20h 20mLATAM Airlines
Thu 1/16:45 amSDU - BOS
1 stop25h 50mLATAM Airlines
Deal found 12/20![LATAM Airlines logo]()
$1,455
This FlightHub deal was found by Cheapflights users on 12/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:04 pmBOS - SDU
2 stops46h 41mAzul
Wed 1/710:05 amSDU - BOS
2 stops24h 53mAzul
Deal found 12/19![Azul logo]()
$2,002
This CheapOair deal was found by Cheapflights users on 12/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:12 pmBOS - SDU
2 stops33h 58mMultiple Airlines
Wed 1/77:35 amSDU - BOS
2 stops27h 23mMultiple Airlines
Deal found 12/20![Multiple Airlines logo]()
$2,046
This GOL deal was found by Cheapflights users on 12/20. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:44 pmBOS - SDU
2 stops31h 41mGOL
Thu 1/156:00 amSDU - BOS
2 stops19h 05mGOL
Deal found 12/20![GOL logo]()
$2,063
This Mytrip deal was found by Cheapflights users on 12/19. 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.
Thu 12/2511:55 amBOS - SDU
3 stops31h 15mMultiple Airlines
Tue 1/66:10 amSDU - BOS
2 stops29h 51mMultiple Airlines
Deal found 12/19![Multiple Airlines logo]()
$2,217
This FlightHub deal was found by Cheapflights users on 12/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:29 pmBOS - SDU
2 stops22h 56mMultiple Airlines
Thu 1/1510:05 amSDU - BOS
2 stops26h 20mMultiple Airlines
Deal found 12/19![Multiple Airlines logo]()
$2,267
This Priceline deal was found by Cheapflights users on 12/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:17 pmBOS - SDU
2 stops22h 53mLATAM Airlines
Sun 12/215:20 pmSDU - BOS
1 stop15h 15mLATAM Airlines
Deal found 12/18![LATAM Airlines logo]()
$2,309
This GOL deal was found by Cheapflights users on 12/20. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:19 pmBOS - SDU
2 stops26h 06mGOL
Sat 1/36:00 amSDU - BOS
2 stops20h 59mGOL
Deal found 12/20![GOL logo]()
$2,331
This GOL deal was found by Cheapflights users on 12/18. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:19 pmBOS - SDU
2 stops26h 06mGOL
Sun 1/46:00 amSDU - BOS
2 stops19h 33mGOL
Deal found 12/18![GOL logo]()
$2,338
This Cheapflightsfares deal was found by Cheapflights users on 12/20. 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.
Thu 12/258:55 amBOS - SDU
1 stop20h 20mLATAM Airlines
Fri 1/26:10 amSDU - BOS
2 stops18h 52mLATAM Airlines
Deal found 12/20![LATAM Airlines logo]()
$2,506
Find flight deals from Massachusetts to Santos Dumont
Keep the following information in mind while searching for Massachusetts to Santos Dumont flight deals. Data was last updated December 21, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $610 (Booking.com) |
One-way from | $309 (Mytrip) |
Popular in | December |
Cheapest in | October |
Average price | $1,119 |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts to Santos Dumont 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 December 21, 2025.
Use the filters below to find and compare flights from Massachusetts to Rio de Janeiro Santos Dumont Airport that are best for you.
Fly from
Massachusetts
Fly to
Santos Dumont
Route
Depart
Return
Price
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Thu 3/5
3:35 pm-4:40 pm
2 stops23h 05m
Rio de Janeiro Santos Dumont
Wed 3/25
1:45 pm-7:12 pm
2 stops30h 27m
$629
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Mon 3/2
10:45 am-4:40 pm
2 stops27h 55m
Rio de Janeiro Santos Dumont
Wed 3/11
1:45 pm-9:32 am
2 stops20h 47m
$632
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Fri 3/6
8:55 am-9:35 am
1 stop22h 40m
Rio de Janeiro Santos Dumont
Sat 3/14
8:05 pm-11:17 am
2 stops16h 12m
$644
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Fri 2/27
8:55 am-9:35 am
1 stop22h 40m
Rio de Janeiro Santos Dumont
Sat 3/7
9:20 pm-6:35 am
2 stops35h 15m
$645
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Tue 2/17
7:55 am-7:35 am
2 stops21h 40m
Rio de Janeiro Santos Dumont
Wed 2/25
8:05 pm-6:35 am
1 stop12h 30m
$646
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Sun 1/18
12:10 pm-7:45 pm
2 stops29h 35m
Rio de Janeiro Santos Dumont
Sun 1/25
8:05 pm-6:35 am
1 stop12h 30m
$649
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Mon 3/2
8:55 am-7:40 am
1 stop20h 45m
Rio de Janeiro Santos Dumont
Sun 3/8
2:50 pm-7:35 am
1 stop17h 45m
$680
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Sat 1/24
5:30 am-5:45 pm
2 stops34h 15m
Rio de Janeiro Santos Dumont
Sun 2/1
8:05 pm-11:59 pm
2 stops29h 54m
$689
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Wed 1/28
1:00 pm-2:30 pm
2 stops23h 30m
Rio de Janeiro Santos Dumont
Wed 2/4
11:20 am-9:32 am
2 stops24h 12m
$707
BostonRio de Janeiro
BOS - SDU
BOSSDU
Boston Logan Intl
Fri 2/27
6:10 pm-10:25 pm
2 stops26h 15m
Rio de Janeiro Santos Dumont
Sun 3/8
10:30 am-7:35 am
2 stops22h 05m
$740
Showing 1-10 of 17 results
Best time to book a flight from Massachusetts to Santos Dumont
Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Massachusetts 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 Massachusetts to Rio de Janeiro Santos Dumont Airport
What is the cheapest time of day to fly from MA to SDU?
Find hourly flight availability from Massachusetts to Santos Dumont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.
One of the essential ways to save on airfare from Massachusetts to Rio de Janeiro Santos Dumont Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.