Cheap flights from Boston to Rio de Janeiro from $299
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 8/19. 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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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 cheapest month to fly to Rio de Janeiro?
The cheapest month to fly to Rio de Janeiro from Boston is in September. Flight prices, which tend to average around $642, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Rio de Janeiro, with average flight prices from Boston averaging around $696.
What is the cheapest day to depart on your flight to Rio de Janeiro?
According to our data, Wednesday is the cheapest day to fly to Rio de Janeiro from Boston. The lowest ticket price found for a Wednesday departure recently was $785. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Thursday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $941.
What is the cheapest time of day to depart on your flight to Rio de Janeiro?
In the evening is the cheapest time of day to fly from Boston to Rio de Janeiro when you can find flight prices for as low as $835. Flying to Rio de Janeiro in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Rio de Janeiro, so prices are often more expensive at around $930 per ticket.
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 11 weeks ahead of your departure date. In general, you can expect to find flights to Rio de Janeiro for around $844 when searching 11 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 $712 on momondo.
Can stopping save me money on Boston to Rio de Janeiro flights?
You could potentially save up to 1% 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 June 2025, prices for Boston to Rio de Janeiro flights are approximately 5% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Boston Logan Intl to Rio de Janeiro?
Avianca, LATAM Airlines, and Copa Airlines are the most popular carriers operating from Boston Logan Intl to Rio de Janeiro
What airlines fly to Rio de Janeiro?
American Airlines, GOL and LATAM Airlines are the top three most popular airlines that fly to Rio de Janeiro from Boston according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Rio de Janeiro. Keep in mind that there are 7 different airlines that fly to Rio de Janeiro on a routine basis, so you have a few additional options to choose from.
When to book flights from Boston to Rio de Janeiro
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
Best Price Found | $299 |
|---|---|
Fastest flight time | 12h 35m |
Direct flights | None |
Airports in Rio de Janeiro | 2 airports |
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 12h 35m.
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?
The number of operators available for flights from Boston Logan Intl Airport to Rio de Janeiro is 7 as of June 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Rio de Janeiro is American Airlines (29% of total bookings). The next most popular airlines are LATAM Airlines (21%), GOL (16%), and Copa Airlines (13%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $485 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $514 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $565 | Free Cancellation | Rating 6.7 2,345 reviews | |||
| PriceFrom $610 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 7.5 1,785 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $701 | Free Cancellation | Rating 7.3 1,073 reviews |
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.