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Cheap flights from Boston to Rio de Janeiro from $291

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 4/13. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Azul Logo
1:10 pm - 1:05 pm
BOS
-
SDU
22h 55m
2 stops
Azul Logo
3:15 pm - 12:53 pm
SDU
-
BOS
22h 38m
2 stops
$672Azul
Mon, Sep 28 - Wed, Oct 28
Azul Logo
4:25 pm - 2:10 pm
BOS
-
GIG
20h 45m
2 stops
Azul Logo
9:00 pm - 5:40 pm
GIG
-
BOS
21h 40m
2 stops
$673Azul
Wed, May 6 - Wed, May 13
Azul Logo
12:10 pm - 2:10 pm
BOS
-
GIG
25h 00m
2 stops
Azul Logo
5:45 am - 12:17 am
GIG
-
BOS
19h 32m
2 stops
$675Azul
Tue, Jun 16 - Wed, Jun 24
Azul Logo
12:16 pm - 12:45 pm
BOS
-
SDU
23h 29m
2 stops
Azul Logo
4:40 pm - 5:40 pm
SDU
-
BOS
26h 00m
2 stops
$678Azul
Thu, May 7 - Wed, May 13
Azul Logo
12:10 pm - 9:10 am
BOS
-
SDU
20h 00m
2 stops
Azul Logo
6:20 am - 12:17 am
SDU
-
BOS
18h 57m
2 stops
$680Azul
Tue, Jun 16 - Wed, Jun 24
Multiple Airlines Logo
7:00 am - 12:30 am
BOS
-
GIG
40h 30m
2 stops
Multiple Airlines Logo
4:40 pm - 7:10 am
GIG
-
BOS
15h 30m
1 stop
$718Multiple Airlines
Thu, May 28 - Wed, Jun 3
Air Canada Logo
6:55 pm - 2:05 pm
BOS
-
GIG
18h 10m
2 stops
Air Canada Logo
8:00 pm - 12:12 pm
GIG
-
BOS
17h 12m
1 stop
$723Air Canada
Mon, Sep 28 - Wed, Oct 28
Multiple Airlines Logo
1:28 pm - 2:40 pm
BOS
-
GIG
24h 12m
2 stops
Multiple Airlines Logo
1:35 am - 6:50 am
GIG
-
BOS
30h 15m
1 stop
$724Multiple Airlines
Fri, Jun 12 - Thu, Jun 18
LATAM Airlines Logo
9:55 am - 12:05 am
BOS
-
GIG
13h 10m
1 stop
LATAM Airlines Logo
7:00 am - 11:25 pm
GIG
-
BOS
17h 25m
2 stops
$727LATAM Airlines
Thu, Sep 10 - Sun, Sep 13
LATAM Airlines Logo
1:29 pm - 12:40 pm
BOS
-
GIG
22h 11m
2 stops
LATAM Airlines Logo
6:35 pm - 7:35 am
GIG
-
BOS
14h 00m
1 stop
$732LATAM Airlines
Thu, Jun 4 - Wed, Jun 10

LATAM Airlines flights from Boston to Rio de Janeiro

Our best LATAM Airlines deals on Boston to Rio de Janeiro flight tickets
LATAM Airlines
Sep 10
BOS9:55 amBoston Logan Intl
13h 10m
1 stop
GIG12:05 amRio de Janeiro–Galeão Intl
Sep 13
GIG7:00 amRio de Janeiro–Galeão Intl
17h 25m
2 stops
BOS11:25 pmBoston Logan Intl
$727
LATAM Airlines
Jun 4
BOS1:29 pmBoston Logan Intl
22h 11m
2 stops
GIG12:40 pmRio de Janeiro–Galeão Intl
Jun 10
GIG6:35 pmRio de Janeiro–Galeão Intl
14h 00m
1 stop
BOS7:35 amBoston Logan Intl
$732
LATAM Airlines
Jun 19
BOS9:55 amBoston Logan Intl
13h 10m
1 stop
GIG12:05 amRio de Janeiro–Galeão Intl
Jul 6
GIG11:10 pmRio de Janeiro–Galeão Intl
33h 25m
2 stops
BOS7:35 amBoston Logan Intl
$750

Copa Airlines flights from Boston to Rio de Janeiro

Our best Copa Airlines deals on Boston to Rio de Janeiro flight tickets
Copa Airlines
Aug 13
BOS3:57 pmBoston Logan Intl
31h 28m
1 stop
GIG12:25 amRio de Janeiro–Galeão Intl
Aug 25
GIG1:25 amRio de Janeiro–Galeão Intl
22h 45m
1 stop
BOS11:10 pmBoston Logan Intl
$789
Copa Airlines
Aug 14
BOS3:57 pmBoston Logan Intl
14h 43m
1 stop
GIG7:40 amRio de Janeiro–Galeão Intl
Sep 30
GIG5:10 amRio de Janeiro–Galeão Intl
18h 52m
1 stop
BOS11:02 pmBoston Logan Intl
$802
Copa Airlines
Apr 22
BOS8:43 amBoston Logan Intl
18h 22m
1 stop
GIG4:05 amRio de Janeiro–Galeão Intl
Aug 10
GIG5:10 amRio de Janeiro–Galeão Intl
19h 00m
1 stop
BOS11:10 pmBoston Logan Intl
$1,033

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 April 9, 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

Cheapest round-trip

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Mon 9/28

1:10 pm-1:05 pm

2 stops22h 55m

Rio de Janeiro Santos Dumont

Wed 10/28

3:15 pm-12:53 pm

2 stops22h 38m

$672

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Wed 5/6

4:25 pm-2:10 pm

2 stops20h 45m

Rio de Janeiro–Galeão Intl

Wed 5/13

9:00 pm-5:40 pm

2 stops21h 40m

$673

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Tue 6/16

12:10 pm-2:10 pm

2 stops25h 00m

Rio de Janeiro–Galeão Intl

Wed 6/24

5:45 am-12:17 am

2 stops19h 32m

$675

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Thu 5/7

12:16 pm-12:45 pm

2 stops23h 29m

Rio de Janeiro Santos Dumont

Wed 5/13

4:40 pm-5:40 pm

2 stops26h 00m

$678

BostonRio de Janeiro

BOS - SDU

BOSSDU

Boston Logan Intl

Tue 6/16

12:10 pm-9:10 am

2 stops20h 00m

Rio de Janeiro Santos Dumont

Wed 6/24

6:20 am-12:17 am

2 stops18h 57m

$680

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 5/28

7:00 am-12:30 am

2 stops40h 30m

Rio de Janeiro–Galeão Intl

Wed 6/3

4:40 pm-7:10 am

1 stop15h 30m

$718

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Mon 9/28

6:55 pm-2:05 pm

2 stops18h 10m

Rio de Janeiro–Galeão Intl

Wed 10/28

8:00 pm-12:12 pm

1 stop17h 12m

$723

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Fri 6/12

1:28 pm-2:40 pm

2 stops24h 12m

Rio de Janeiro–Galeão Intl

Thu 6/18

1:35 am-6:50 am

1 stop30h 15m

$724
Quickest round-trip

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 9/10

9:55 am-12:05 am

1 stop13h 10m

Rio de Janeiro–Galeão Intl

Sun 9/13

7:00 am-11:25 pm

2 stops17h 25m

$727

BostonRio de Janeiro

BOS - GIG

BOSGIG

Boston Logan Intl

Thu 6/4

1:29 pm-12:40 pm

2 stops22h 11m

Rio de Janeiro–Galeão Intl

Wed 6/10

6:35 pm-7:35 am

1 stop14h 00m

$732

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 $857 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 $674 on momondo.

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

As of April 2026, prices for Boston to Rio de Janeiro flights are approximately 30% 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

14h 43m

Direct flights

None
The fastest flight from Boston to Rio de Janeiro takes 14h 43m
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

Frequently asked questions about flying from Boston to Rio de Janeiro

  • 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 14h 43m.

  • 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
9,554 reviews
Search United Airlines flights
DeltaPriceFrom $350Free CancellationRating
7.9
8,392 reviews
Search Delta flights
LATAM AirlinesPriceFrom $447Free CancellationRating
7.4
1,909 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $462Free CancellationRating
7.5
1,575 reviews
Search Copa Airlines flights
GOLPriceFrom $620Free CancellationRating
7.3
1,199 reviews
Search GOL flights
American AirlinesPriceFrom $637Free CancellationRating
7.1
11,559 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