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Cheap flights from Boston to Rio de Janeiro from $279

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 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 - 12:40 am
BOS
-
GIG
14h 45m1 stop
Multiple Airlines Logo
5:05 pm - 7:35 am
GIG
-
BOS
15h 30m1 stop
$543Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
7:55 am - 12:40 am
BOS
-
GIG
14h 45m1 stop
Multiple Airlines Logo
9:30 pm - 10:02 am
GIG
-
BOS
14h 32m1 stop
$566Multiple Airlines
Tue, Feb 24 - Fri, Feb 27
Multiple Airlines Logo
8:55 am - 12:40 am
BOS
-
GIG
14h 45m1 stop
Multiple Airlines Logo
6:35 pm - 7:35 am
GIG
-
BOS
38h 00m2 stops
$567Multiple Airlines
Tue, Mar 10 - Mon, Mar 23
Multiple Airlines Logo
8:55 am - 7:05 am
BOS
-
GIG
21h 10m2 stops
Multiple Airlines Logo
7:35 pm - 7:35 am
GIG
-
BOS
13h 00m1 stop
$568Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Air Canada Logo
3:40 pm - 2:10 pm
BOS
-
SDU
20h 30m2 stops
Air Canada Logo
11:20 am - 9:32 am
SDU
-
BOS
24h 12m2 stops
$622Air Canada
Tue, Jan 20 - Wed, Jan 28
Air Canada Logo
5:30 am - 8:15 pm
BOS
-
SDU
37h 45m2 stops
Air Canada Logo
1:45 pm - 9:52 am
SDU
-
BOS
21h 07m2 stops
$623Air Canada
Fri, Apr 17 - Mon, Apr 27
Air Canada Logo
1:00 pm - 4:40 pm
BOS
-
SDU
26h 40m2 stops
Air Canada Logo
1:45 pm - 9:32 am
SDU
-
BOS
20h 47m2 stops
$626Air Canada
Wed, Mar 11 - Wed, Mar 18
Air Canada Logo
1:00 pm - 2:30 pm
BOS
-
SDU
23h 30m2 stops
Air Canada Logo
1:45 pm - 10:02 am
SDU
-
BOS
22h 17m2 stops
$631Air Canada
Wed, Jan 21 - Wed, Mar 4
LATAM Airlines Logo
9:55 am - 9:25 am
BOS
-
SDU
22h 30m1 stop
LATAM Airlines Logo
2:00 pm - 7:35 am
SDU
-
BOS
18h 35m1 stop
$636LATAM Airlines
Mon, Mar 16 - Tue, Mar 24
LATAM Airlines Logo
8:55 am - 9:35 am
BOS
-
SDU
22h 40m1 stop
LATAM Airlines Logo
9:20 pm - 7:35 am
SDU
-
BOS
35h 15m2 stops
$658LATAM Airlines
Fri, Mar 6 - Sat, Mar 14

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 9
BOS4:05 pmBoston Logan Intl
14h 55m
1 stop
GIG8:00 amRio de Janeiro–Galeão Intl
Mar 19
GIG5:10 amRio de Janeiro–Galeão Intl
19h 00m
1 stop
BOS11:10 pmBoston Logan Intl
$581
Find similar
Copa Airlines
Mar 1
BOS3:05 pmBoston Logan Intl
14h 55m
1 stop
GIG8:00 amRio de Janeiro–Galeão Intl
Mar 12
GIG10:10 amRio de Janeiro–Galeão Intl
14h 00m
1 stop
BOS11:10 pmBoston Logan Intl
$592
Find similar
Copa Airlines
Jan 8
BOS7:31 amBoston Logan Intl
22h 29m
1 stop
GIG8:00 amRio de Janeiro–Galeão Intl
Mar 5
GIG5:10 amRio de Janeiro–Galeão Intl
19h 00m
1 stop
BOS10:10 pmBoston Logan Intl
$645
Find similar

LATAM Airlines flights from Boston to Rio de Janeiro

Our best LATAM Airlines deals on Boston to Rio de Janeiro flight tickets
LATAM Airlines
Jan 22
BOS8:55 amBoston Logan Intl
14h 10m
1 stop
GIG1:05 amRio de Janeiro–Galeão Intl
Mar 3
GIG7:35 pmRio de Janeiro–Galeão Intl
13h 00m
1 stop
BOS6:35 amBoston Logan Intl
$600
Find similar
LATAM Airlines
Jan 20
BOS3:30 pmBoston Logan Intl
14h 50m
1 stop
GIG8:20 amRio de Janeiro–Galeão Intl
Jan 30
GIG9:30 pmRio de Janeiro–Galeão Intl
14h 31m
1 stop
BOS10:01 amBoston Logan Intl
$602
Find similar
LATAM Airlines
Jan 22
BOS5:05 pmBoston Logan Intl
15h 10m
1 stop
GIG10:15 amRio de Janeiro–Galeão Intl
Mar 7
GIG9:30 pmRio de Janeiro–Galeão Intl
14h 58m
1 stop
BOS10:28 amBoston Logan Intl
$604
Find similar

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 6, 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 - GIG

BOSGIG

Boston Logan Intl

Thu 3/5

7:55 am-12:40 am

1 stop14h 45m

Rio de Janeiro–Galeão Intl

Sun 3/8

5:05 pm-7:35 am

1 stop15h 30m

$543

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Tue 2/24

7:55 am-12:40 am

1 stop14h 45m

Rio de Janeiro–Galeão Intl

Fri 2/27

9:30 pm-10:02 am

1 stop14h 32m

$566

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Tue 3/10

8:55 am-12:40 am

1 stop14h 45m

Rio de Janeiro–Galeão Intl

Mon 3/23

6:35 pm-7:35 am

2 stops38h 00m

$567

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 3/12

8:55 am-7:05 am

2 stops21h 10m

Rio de Janeiro–Galeão Intl

Thu 3/19

7:35 pm-7:35 am

1 stop13h 00m

$568

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Tue 1/20

3:40 pm-2:10 pm

2 stops20h 30m

Rio de Janeiro Santos Dumont

Wed 1/28

11:20 am-9:32 am

2 stops24h 12m

$622

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Fri 4/17

5:30 am-8:15 pm

2 stops37h 45m

Rio de Janeiro Santos Dumont

Mon 4/27

1:45 pm-9:52 am

2 stops21h 07m

$623

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Wed 3/11

1:00 pm-4:40 pm

2 stops26h 40m

Rio de Janeiro Santos Dumont

Wed 3/18

1:45 pm-9:32 am

2 stops20h 47m

$626

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Wed 1/21

1:00 pm-2:30 pm

2 stops23h 30m

Rio de Janeiro Santos Dumont

Wed 3/4

1:45 pm-10:02 am

2 stops22h 17m

$631

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 3/16

9:55 am-9:25 am

1 stop22h 30m

Rio de Janeiro Santos Dumont

Tue 3/24

2:00 pm-7:35 am

1 stop18h 35m

$636

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

9:20 pm-7:35 am

2 stops35h 15m

$658

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 $629, 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 $656.

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 $853 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 24% 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
Copa AirlinesPriceFrom $533Free CancellationRating
7.6
1,564 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,132 reviews
Search United Airlines flights
DeltaPriceFrom $637Free CancellationRating
7.9
8,017 reviews
Search Delta flights
American AirlinesPriceFrom $637Free CancellationRating
7.2
11,083 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $654Free CancellationRating
7.5
1,902 reviews
Search LATAM Airlines flights
GOLPriceFrom $667Free CancellationRating
7.3
1,149 reviews
Search GOL 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