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

One-way options have recently been found by users for as low as $439 on LATAM Airlines. Other airlines that offer cheap prices include Delta from $461 and United Airlines from $511 one-way.

How far in advance should I book a flight from Massachusetts to Rio de Janeiro Santos Dumont Airport?

Users have found that booking a flight from Massachusetts to Rio de Janeiro Santos Dumont Airport at least 15 days early can save you up to 18% on average compared to booking a flight this week. If booking 15 days before your flight isn’t an option for you, users have found flights from Massachusetts to Rio de Janeiro Santos Dumont Airport for as little as $575 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $782 for flights departing within the next 3 days.

What is the cheapest month to fly from Massachusetts to Rio de Janeiro Santos Dumont Airport?

September is one of the best times of the year to fly to Rio de Janeiro Santos Dumont Airport from Massachusetts. Prices for September average $880 per person but you can even find prices for as low as $505. The most expensive prices can be found in the month of December. Opting for a September flight can save you 41% on your journey compared to booking in December

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

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

How can I find direct flights from Massachusetts to Santos Dumont?

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

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

Yes. Cheapflights offers flight deals from Massachusetts 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.

$322+ Flights from Massachusetts to Rio de Janeiro Santos Dumont Airport, Brazil - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Massachusetts to Santos Dumont 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Massachusetts to Santos Dumont

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$709 (Mytrip)
One-way from	$322 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$894

Provider with most accurate pricing for Boston Logan Intl-Rio de Janeiro (RIO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Rio de Janeiro (RIO) flights.

Search Deals

From Massachusetts to Rio de Janeiro Santos Dumont

Search Deals

One-way flight from Massachusetts to Rio de Janeiro Santos Dumont

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Massachusetts to Santos Dumont

Cheapest flights from Massachusetts to Santos Dumont
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 April 29, 2025.

Fri 6/1310:20 amBOS - SDU

2 stops28h 30mAir Canada

Fri 6/201:00 pmSDU - BOS

2 stops21h 55mAir Canada

Deal found 4/29

$699

Fri 10/104:50 pmBOS - SDU

3 stops28h 35mMultiple Airlines

Mon 10/206:10 amSDU - BOS

3 stops29h 20mMultiple Airlines

Deal found 4/28

$709

Thu 6/59:55 amBOS - SDU

2 stops21h 15mLATAM Airlines

Wed 6/112:20 pmSDU - BOS

1 stop18h 15mLATAM Airlines

Deal found 4/29

$730

Sat 7/59:55 amBOS - SDU

1 stop22h 40mDelta

Sun 8/38:20 pmSDU - BOS

2 stops19h 35mDelta

Deal found 4/28

$878

Sun 8/243:51 pmBOS - SDU

2 stops23h 59mGOL

Sat 10/256:00 amSDU - BOS

2 stops19h 19mGOL

Deal found 4/28

$950

Tue 7/19:03 amBOS - SDU

2 stops29h 47mUnited Airlines

Sun 8/31:00 pmSDU - BOS

2 stops24h 27mUnited Airlines

Deal found 4/28

$1,022

Best flights from Massachusetts to Santos Dumont
Discover carefully curated flight deals from Massachusetts to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 10/104:50 pmBOS - SDU

3 stops28h 35mMultiple Airlines

Mon 10/206:10 amSDU - BOS

3 stops29h 20mMultiple Airlines

Deal found 4/28

$709

Tue 5/2010:20 amBOS - SDU

2 stops28h 30mAir Canada

Wed 5/287:55 amSDU - BOS

2 stops26h 40mAir Canada

Deal found 4/28

$717

Thu 6/59:55 amBOS - SDU

2 stops21h 15mLATAM Airlines

Wed 6/112:20 pmSDU - BOS

1 stop18h 15mLATAM Airlines

Deal found 4/29

$730

Sat 7/59:55 amBOS - SDU

1 stop22h 40mDelta

Sun 8/38:20 pmSDU - BOS

2 stops19h 35mDelta

Deal found 4/28

$878

Sun 8/243:51 pmBOS - SDU

2 stops23h 59mGOL

Sat 10/256:00 amSDU - BOS

2 stops19h 19mGOL

Deal found 4/28

$950

Tue 7/19:03 amBOS - SDU

2 stops29h 47mUnited Airlines

Sun 8/31:00 pmSDU - BOS

2 stops24h 27mUnited Airlines

Deal found 4/28

$1,022

Thu 7/312:25 pmBOS - SDU

2 stops23h 00mAzul

Sun 8/39:25 amSDU - BOS

2 stops24h 39mAzul

Deal found 4/28

$1,485

Last-minute flights from Massachusetts to Santos Dumont
Discover last-minute flight deals from Massachusetts to Santos Dumont. Data last updated April 29, 2025 and is based on user searches.

Tue 4/293:29 pmBOS - SDU

2 stops23h 21mUnited Airlines

Tue 5/61:05 pmSDU - BOS

2 stops24h 22mUnited Airlines

Deal found 4/28

$1,056

Mon 5/512:15 pmBOS - SDU

2 stops26h 35mMultiple Airlines

Sun 6/13:50 pmSDU - BOS

1 stop16h 45mMultiple Airlines

Deal found 4/28

$951

Tue 5/66:55 pmBOS - SDU

2 stops19h 55mAir Canada

Sat 5/311:05 pmSDU - BOS

2 stops21h 30mAir Canada

Deal found 4/28

$717

Tue 5/61:05 pmBOS - SDU

2 stops19h 30mLATAM Airlines

Sun 5/116:05 amSDU - BOS

2 stops26h 30mLATAM Airlines

Deal found 4/28

$791

Fri 5/912:15 pmBOS - SDU

2 stops26h 35mUnited Airlines

Sun 6/11:00 pmSDU - BOS

2 stops22h 23mUnited Airlines

Deal found 4/28

$1,056

Mon 5/128:47 amBOS - SDU

2 stops21h 23mMultiple Airlines

Wed 5/282:15 pmSDU - BOS

1 stop18h 20mMultiple Airlines

Deal found 4/28

$798

Thu 5/159:55 amBOS - SDU

2 stops21h 35mLATAM Airlines

Sun 5/255:00 pmSDU - BOS

1 stop15h 35mLATAM Airlines

Deal found 4/28

$760

Sat 5/2410:45 amBOS - SDU

2 stops22h 55mGOL

Sat 6/76:00 amSDU - BOS

2 stops18h 25mGOL

Deal found 4/28

$2,172

Sun 5/258:45 pmBOS - SDU

2 stops59h 50mDelta

Sun 6/88:20 pmSDU - BOS

2 stops39h 28mDelta

Deal found 4/27

$2,010

Sun 5/2511:45 amBOS - SDU

2 stops20h 30mAzul

Thu 6/56:15 amSDU - BOS

2 stops17h 36mAzul

Deal found 4/28

$6,463

One-way flights from Massachusetts to Santos Dumont
Search for one-way flight options from Massachusetts to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 6/103:49 pmBOS - SDU

2 stops29h 36mMultiple Airlines

Deal found 4/29

$322

Mon 6/99:55 amBOS - SDU

1 stop22h 40mLATAM Airlines

Deal found 4/29

$439

Mon 6/309:55 amBOS - SDU

1 stop26h 45mDelta

Deal found 4/28

$461

Sun 5/252:34 pmBOS - SDU

2 stops24h 16mUnited Airlines

Deal found 4/28

$511

Thu 6/2612:15 pmBOS - SDU

2 stops26h 35mAir Canada

Deal found 4/29

$546

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Fri 6/13

10:20 am-3:50 pm

2 stops28h 30m

Rio de Janeiro Santos Dumont

Fri 6/20

1:00 pm-9:55 am

2 stops21h 55m

$699

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 6/12

9:00 am-8:40 am

2 stops22h 40m

Rio de Janeiro Santos Dumont

Mon 6/16

1:00 pm-10:53 pm

3 stops34h 53m

$714

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 6/5

9:55 am-8:10 am

2 stops21h 15m

Rio de Janeiro Santos Dumont

Wed 6/11

2:20 pm-7:35 am

1 stop18h 15m

$730

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Sat 7/5

9:55 am-9:35 am

1 stop22h 40m

Rio de Janeiro Santos Dumont

Mon 8/4

8:20 pm-2:55 pm

2 stops19h 35m

$878

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Tue 7/1

9:03 am-3:50 pm

2 stops29h 47m

Rio de Janeiro Santos Dumont

Sun 8/3

1:00 pm-12:27 pm

2 stops24h 27m

$1,022

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 7/3

12:25 pm-12:25 pm

2 stops23h 00m

Rio de Janeiro Santos Dumont

Sun 8/3

9:25 am-9:04 am

2 stops24h 39m

$1,485

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Sun 7/20

9:53 am-10:40 am

2 stops23h 47m

Rio de Janeiro Santos Dumont

Thu 7/31

8:30 pm-11:41 pm

2 stops28h 11m

$1,503

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Tue 6/10

3:49 pm-10:25 pm

2 stops29h 36m

$322

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 6/9

9:55 am-9:35 am

1 stop22h 40m

$439

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 6/30

9:55 am-1:40 pm

1 stop26h 45m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 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?

When flying from Massachusetts to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Santos Dumont by month

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

Temperature in Santos Dumont by month

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Santos Dumont

See what other customers who have flown with Azul, Delta and LATAM Airlines from Massachusetts to Rio de Janeiro have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Azul

8.0

Very good

777 reviews

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

777 reviews

Azul

8.0

Very good

777 reviews

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

7,936 reviews

Azul

8.0

Very good

777 reviews

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

1,767 reviews

Azul

8.0

Very good

777 reviews

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

8,696 reviews

Azul

8.0

Very good

777 reviews

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

1,068 reviews

Azul

8.0

Very good

777 reviews

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

What are the cheapest airlines to fly from Massachusetts to Rio de Janeiro Santos Dumont Airport one-way?
One-way options have recently been found by users for as low as $439 on LATAM Airlines. Other airlines that offer cheap prices include Delta from $461 and United Airlines from $511 one-way.
Can I find deals for flights from Massachusetts to Santos Dumont that include hotel bookings?
Yes. In addition to deals on Massachusetts to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Massachusetts to Santos Dumont?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Santos Dumont.
Can I find deals for business class flights from Massachusetts to Santos Dumont?
Yes. Cheapflights offers flight deals from Massachusetts 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

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$322+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Massachusetts to Santos Dumont with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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 April 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Massachusetts to Santos Dumont

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 April 29, 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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Massachusetts to Rio de Janeiro Santos Dumont Airport that are best for you.

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.

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 April 29, 2025.

Rainfall in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average rainfall totals by month.

Temperature in Santos Dumont by month

Plan your trip to Santos Dumont by taking into account the average temperature totals by month.

Reviews of airlines servicing Santos Dumont

See what other customers who have flown with Azul, Delta and LATAM Airlines from Massachusetts to Rio de Janeiro have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts 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 are the cheapest airlines to fly from Massachusetts to Rio de Janeiro Santos Dumont Airport one-way?

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

How can I find direct flights from Massachusetts to Santos Dumont?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Massachusetts to Santos Dumont
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 April 29, 2025.