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Cheap flights from Boston to Rio de Janeiro from $243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Rio de Janeiro departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:55 am - 7:40 am
BOS
-
SDU
21h 45m
2 stops
Multiple Airlines Logo
8:05 pm - 7:35 am
SDU
-
BOS
12h 30m
1 stop
$544Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
7:55 am - 12:40 am
BOS
-
GIG
14h 45m
1 stop
Multiple Airlines Logo
3:00 pm - 7:35 am
GIG
-
BOS
17h 35m
1 stop
$553Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
8:55 am - 10:45 am
BOS
-
GIG
24h 50m
2 stops
Multiple Airlines Logo
7:35 pm - 7:35 am
GIG
-
BOS
13h 00m
1 stop
$555Multiple Airlines
Thu, Mar 19 - Tue, Mar 24
Multiple Airlines Logo
8:55 am - 10:45 am
BOS
-
GIG
24h 50m
2 stops
Multiple Airlines Logo
10:55 pm - 11:10 am
GIG
-
BOS
13h 15m
1 stop
$558Multiple Airlines
Thu, Mar 19 - Wed, Mar 25
Multiple Airlines Logo
9:55 am - 7:05 am
BOS
-
GIG
20h 10m
1 stop
Multiple Airlines Logo
7:20 pm - 7:35 am
GIG
-
BOS
13h 15m
1 stop
$563Multiple Airlines
Mon, Mar 9 - Tue, Mar 24
LATAM Airlines Logo
8:55 am - 9:25 am
BOS
-
SDU
22h 30m
1 stop
LATAM Airlines Logo
4:55 pm - 6:35 am
SDU
-
BOS
15h 40m
1 stop
$609LATAM Airlines
Mon, Feb 2 - Sun, Feb 8
LATAM Airlines Logo
8:55 am - 7:15 am
BOS
-
SDU
20h 20m
1 stop
LATAM Airlines Logo
8:55 am - 7:35 am
SDU
-
BOS
23h 40m
1 stop
$623LATAM Airlines
Mon, Mar 2 - Sun, Mar 15
LATAM Airlines Logo
8:55 am - 7:15 am
BOS
-
SDU
20h 20m
1 stop
LATAM Airlines Logo
10:30 am - 7:35 am
SDU
-
BOS
22h 05m
2 stops
$630LATAM Airlines
Mon, Mar 2 - Sun, Mar 15
Air Canada Logo
5:30 am - 2:35 pm
BOS
-
SDU
31h 05m
2 stops
Air Canada Logo
11:20 am - 9:32 am
SDU
-
BOS
24h 12m
2 stops
$632Air Canada
Fri, Jan 23 - Wed, Jan 28
LATAM Airlines Logo
9:55 am - 9:25 am
BOS
-
SDU
22h 30m
1 stop
LATAM Airlines Logo
9:20 pm - 7:35 am
SDU
-
BOS
35h 15m
2 stops
$635LATAM Airlines
Mon, Mar 23 - Wed, Mar 25

Avianca flights from Boston to Rio de Janeiro

Our best Avianca deals on Boston to Rio de Janeiro flight tickets
Avianca
Feb 26
BOS7:55 amBoston Logan Intl
20h 30m
1 stop
GIG6:25 amRio de Janeiro–Galeão Intl
Mar 6
GIG7:30 amRio de Janeiro–Galeão Intl
25h 05m
1 stop
BOS6:35 amBoston Logan Intl
$596
Avianca
Feb 1
BOS3:25 pmBoston Logan Intl
37h 00m
2 stops
GIG6:25 amRio de Janeiro–Galeão Intl
Feb 8
GIG1:45 amRio de Janeiro–Galeão Intl
30h 50m
1 stop
BOS6:35 amBoston Logan Intl
$749

Copa Airlines flights from Boston to Rio de Janeiro

Our best Copa Airlines deals on Boston to Rio de Janeiro flight tickets
Copa Airlines
Mar 11
BOS4:05 pmBoston Logan Intl
14h 55m
1 stop
GIG8:00 amRio de Janeiro–Galeão Intl
Mar 23
GIG5:10 amRio de Janeiro–Galeão Intl
19h 00m
1 stop
BOS11:10 pmBoston Logan Intl
$601
Copa Airlines
Apr 1
BOS3:51 pmBoston Logan Intl
15h 04m
1 stop
GIG7:55 amRio de Janeiro–Galeão Intl
Apr 13
GIG5:10 amRio de Janeiro–Galeão Intl
18h 59m
1 stop
BOS11:09 pmBoston Logan Intl
$621
Copa Airlines
Mar 24
BOS8:44 amBoston Logan Intl
22h 16m
1 stop
GIG8:00 amRio de Janeiro–Galeão Intl
Apr 6
GIG1:35 amRio de Janeiro–Galeão Intl
22h 34m
1 stop
BOS11:09 pmBoston Logan Intl
$641

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Rio de Janeiro 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, momondo users made 832,500 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Boston to Rio de Janeiro that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 3/5

7:55 am-7:40 am

2 stops21h 45m

Rio de Janeiro Santos Dumont

Thu 3/12

8:05 pm-7:35 am

1 stop12h 30m

$544

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 3/5

7:55 am-12:40 am

1 stop14h 45m

Rio de Janeiro–Galeão Intl

Thu 3/12

3:00 pm-7:35 am

1 stop17h 35m

$553

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 3/19

8:55 am-10:45 am

2 stops24h 50m

Rio de Janeiro–Galeão Intl

Tue 3/24

7:35 pm-7:35 am

1 stop13h 00m

$555

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 3/19

8:55 am-10:45 am

2 stops24h 50m

Rio de Janeiro–Galeão Intl

Wed 3/25

10:55 pm-11:10 am

1 stop13h 15m

$558

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 3/9

9:55 am-7:05 am

1 stop20h 10m

Rio de Janeiro–Galeão Intl

Tue 3/24

7:20 pm-7:35 am

1 stop13h 15m

$563

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 2/2

8:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Sun 2/8

4:55 pm-6:35 am

1 stop15h 40m

$609

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 3/2

8:55 am-7:15 am

1 stop20h 20m

Rio de Janeiro Santos Dumont

Sun 3/15

8:55 am-7:35 am

1 stop23h 40m

$623

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 3/2

8:55 am-7:15 am

1 stop20h 20m

Rio de Janeiro Santos Dumont

Sun 3/15

10:30 am-7:35 am

2 stops22h 05m

$630

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Fri 1/23

5:30 am-2:35 pm

2 stops31h 05m

Rio de Janeiro Santos Dumont

Wed 1/28

11:20 am-9:32 am

2 stops24h 12m

$632

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 3/23

9:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Wed 3/25

9:20 pm-7:35 am

2 stops35h 15m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from Boston to Rio de Janeiro

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Rio de Janeiro?

What is the cheapest month to fly to Rio de Janeiro?

The cheapest month to fly to Rio de Janeiro from Boston is in October. Flight prices, which tend to average around $637, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Rio de Janeiro, with average flight prices from Boston averaging around $660.

How far in advance should I book a flight to Rio de Janeiro?

You are more likely to see cheaper flights to Rio de Janeiro from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Rio de Janeiro for around $849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rio de Janeiro from Boston for as low as $685 on momondo.

Can stopping save me money on Boston to Rio de Janeiro flights?

You could potentially save up to 8% on your flight if you consider stops on a Boston to Rio de Janeiro flight.

How have Boston to Rio de Janeiro flight prices changed over time?

As of January 2026, prices for Boston to Rio de Janeiro flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Rio de Janeiro

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Rio de Janeiro according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Rio de Janeiro (BOS to RIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Rio de Janeiro

Fastest flight time

13h 10m

Direct flights

None
The fastest flight from Boston to Rio de Janeiro takes 13h 10m
There are no direct flights from Boston to Rio de Janeiro. There are no popular flight routes from Boston to Rio de Janeiro.
Search flight deals

  • How far is Boston Logan Intl to Rio de Janeiro by plane?

    Rio de Janeiro is 4844.2 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 13h 10m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Rio de Janeiro?

    Prices for flights from Boston Logan Intl Airport to Rio de Janeiro were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Rio de Janeiro?

  • How old do you have to be to fly from Boston Logan Intl Airport to Rio de Janeiro?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Rio de Janeiro.

  • What documentation or ID do you need to fly to Rio de Janeiro?

    The travel and health documents you'll need for your trip to Rio de Janeiro may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rio de Janeiro. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Rio de Janeiro?

Best airlines flying from Boston to Rio de Janeiro

Compare and see reviews for airlines that fly from Boston to Rio de Janeiro with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $493Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $604Free CancellationRating
7.5
1,909 reviews
Search LATAM Airlines flights
GOLPriceFrom $620Free CancellationRating
7.3
1,152 reviews
Search GOL flights
DeltaPriceFrom $637Free CancellationRating
7.9
8,080 reviews
Search Delta flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
11,162 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Rio de Janeiro?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Rio de Janeiro. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Rio de Janeiro with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rio de Janeiro from Boston with this policy.

How can momondo help me find flights from Boston to Rio de Janeiro?

Once you have performed a search for Boston to Rio de Janeiro flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Rio de Janeiro right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Rio de Janeiro now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rio de Janeiro and let you know when they change.

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Find better results for your trip to Brazil

Fly into one of these airports located in Rio de Janeiro

Airports listed have a maximum distance of 8.1 mi from Rio de Janeiro
Rio de Janeiro–Galeão Intl Airport
Rio de Janeiro Santos Dumont Airport