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Santos Dumont

$317+ Cheap flights from Boston (BOS) 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SDU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Boston to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santos Dumont (SDU). 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 July 3, 2025.

Round-trip from

$672
(KAYAK)

One-way from

$317
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,015
From Boston Logan Intl to Rio de Janeiro Santos Dumont
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One-way flight from Boston Logan Intl to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 6% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Boston to Santos Dumont

Cheapest flights from Boston to Santos Dumont
Explore the most affordable flight options available from Boston to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:00 pmBOS - SDU
2 stops19h 40mLATAM Airlines
Sun 10/1910:15 amSDU - BOS
2 stops22h 20mLATAM Airlines
Deal found 7/2$672
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:00 amBOS - SDU
2 stops22h 40mMultiple Airlines
Thu 9/410:35 amSDU - BOS
3 stops29h 20mMultiple Airlines
Deal found 7/2$675
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:15 pmBOS - SDU
2 stops25h 05mAir Canada
Wed 9/177:55 amSDU - BOS
2 stops26h 35mAir Canada
Deal found 7/2$743

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 July 3, 2025.
Use the filters below to find and compare flights from Boston to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Boston

Fly to

Santos Dumont

Route

Depart

Return

Price

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 10/9

5:00 pm-1:40 pm

2 stops19h 40m

Rio de Janeiro Santos Dumont

Sun 10/19

10:15 am-7:35 am

2 stops22h 20m

$672

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 8/21

9:00 am-8:40 am

2 stops22h 40m

Rio de Janeiro Santos Dumont

Thu 9/4

10:35 am-2:55 pm

3 stops29h 20m

$675

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 9/8

12:15 pm-2:20 pm

2 stops25h 05m

Rio de Janeiro Santos Dumont

Wed 9/17

7:55 am-9:30 am

2 stops26h 35m

$743

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Fri 10/31

9:55 am-9:35 am

1 stop22h 40m

$317

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Tue 10/28

3:34 pm-1:15 pm

2 stops20h 41m

$321

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Sat 11/1

8:55 am-11:05 am

2 stops25h 10m

$332

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 10/23

4:25 pm-2:20 pm

2 stops20h 55m

$388

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 8/4

6:19 pm-10:20 pm

2 stops51h 01m

$461

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Sun 12/14

12:35 pm-1:00 pm

2 stops22h 25m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Boston to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Rio de Janeiro Santos Dumont Airport

What is the cheapest time of day to fly from BOS to SDU?

Find hourly flight availability from Boston 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 July 3, 2025.

It’s typically best to fly out from Boston to Rio de Janeiro Santos Dumont Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. 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 Santos Dumont. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Azul, Delta, and LATAM Airlines from Boston to Rio de Janeiro Santos Dumont Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
Azul
8.0
Very good
790 reviews
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
Delta
8.0
Very good
7,982 reviews
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
LATAM Airlines
7.5
Good
1,805 reviews
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
United Airlines
7.4
Good
8,861 reviews
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
GOL
7.3
Good
1,086 reviews
Azul
8.0
Very good
790 reviews

Entertainment

7.5

Crew

8.6

Food

7.1

Comfort

7.9

Boarding

8.1

Overall

8.0

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Related info for your journey

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

  • What airport do you fly from for flights from Boston to Rio de Janeiro Santos Dumont?

    If you book a flight to Rio de Janeiro Santos Dumont from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 0 flights from Logan Intl to Rio de Janeiro Santos Dumont per day from 0 different airlines.

  • What are the cheapest airlines to fly from Boston to Rio de Janeiro Santos Dumont Airport one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $317. LATAM Airlines flights start at $321 while deals on United Airlines start at $388 one-way.

  • Can I find deals for flights from Boston to Santos Dumont that include hotel bookings?

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

  • How can I find direct flights from Boston to Santos Dumont?

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

  • Can I find deals for business class flights from Boston to Santos Dumont?

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

See more FAQs

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Alternative routes for Boston to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Rio de Janeiro–Galeão Intl flights
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