Cheap flights from Washington to Rio de Janeiro from $398 DCA, IAD → GIG, SDU
Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) → Galeao Antonio Carlos Jobim International Airport (GIG), Santos Dumont Airport (SDU)
The cheapest return found recently is $789 with avianca airlines, 8 May 2027 – 16 May 2027, found 2 days ago. The cheapest one-way found recently is $398 with Frontier Airlines, 11 Jan 2027, found 6 days ago.
- Cheapest one-way found recently
- $398, found 6 days ago
- Cheapest return found recently
- $789, 8 May 2027 to 16 May 2027
- Usual return price
- $810 to $1,196
- Cheapest month to fly
- May 2027, return fares from $789 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $810 to $1,196.
Cheapest return found recently
$789
8 May 2027 – 16 May 2027 · avianca airlines
Washington Dulles International Airport (IAD) → Galeao Antonio Carlos Jobim International Airport (GIG)
Leaves 3:35 p.m. · Return leaves 11:00 p.m. · 47 h 10 min of travel, both ways together
out 2 stops, back 2 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$789 8 May 2027 – 16 May 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 30 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $775 to $2,054.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 19 Nov to 8 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 8-night return fares leaving within 3 days of 8 May 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov – 29 Nov | $1,562 | LATAM Airlines Group | Ronald Reagan National Airport (DCA) → Galeao Antonio Carlos Jobim International Airport (GIG) | out 2 stops, back 2 stops | found 7 days ago | See prices for these dates |
| 1 Mar 2027 – 7 Mar 2027 | $830 | avianca airlines | Washington Dulles International Airport (IAD) → Galeao Antonio Carlos Jobim International Airport (GIG) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 8 May 2027 – 16 May 2027 | $789 | avianca airlines | Washington Dulles International Airport (IAD) → Galeao Antonio Carlos Jobim International Airport (GIG) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
Which month looks cheapest?
May 2027 is the cheapest month — from $789.
Airlines on the cheapest dates: avianca airlines, LATAM Airlines Group.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$398
11 Jan 2027 · Frontier Airlines
Ronald Reagan National Airport (DCA) → Galeao Antonio Carlos Jobim International Airport (GIG)
Leaves 1:30 p.m. · 39 h 30 min trip
3 stops · via Denver International Airport (DEN), Miami International Airport (MIA), Jorge Chavez International Airport (LIM) · separate tickets likely: collect your bags and check in again · overnight connection · 9 h connection
found 6 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$398 11 Jan 2027found 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 31 days, 24 Sept to 10 Nov, the cheapest one-way we saw each day was $376 to $417.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 11 Jan 2027 to compare.
Every date we hold
16 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Jan 2027 | $398 | Frontier Airlines | Ronald Reagan National Airport (DCA) → Galeao Antonio Carlos Jobim International Airport (GIG) | 3 stops | found 6 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Washington to Rio de Janeiro
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 8 May 2027 – 16 May 2027 in another cabin: Premium economy · Business · First
Today's prices for 11 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Washington to Rio de Janeiro?
Return
Not enough history yet: in 30 days of return prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Fares 90 to 179 days before departure were typically 8% lower than 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 10 Nov (31 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $407 | $398 | +8% | 14 |
| 90–179 days | $376 | $376 | Cheapest seen | 7 |
| 180+ days | $390 | $390 | +4% | 10 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Rio de Janeiro
57 km from Washington
$1,163
$374 more than flying from Washington
8 May 2027 – 16 May 2027 · BWI → GIG · out 2 stops, back 2 stops
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Baltimore → Rio de Janeiro
57 km from Washington
$348
$50 less than flying from Washington
11 Jan 2027 · BWI → GIG · 2 stops
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 8 May 2027 – 16 May 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Washington to Rio de Janeiro?
The cheapest return found recently is $789 with avianca airlines, 8 May 2027 to 16 May 2027, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $810 to $1,196.
How much is a one-way flight from Washington to Rio de Janeiro?
The cheapest one-way found recently is $398 with Frontier Airlines, 11 Jan 2027, found 6 days ago.
What is the cheapest month to fly from Washington to Rio de Janeiro?
May 2027 is the cheapest month for a return, from $789, 8 May 2027 to 16 May 2027, found 2 days ago.
How far ahead should I book a flight from Washington to Rio de Janeiro?
In 31 days of prices between 24 Sept and 10 Nov, one-way fares 90 to 179 days before departure were typically 8% lower than 60 to 89 days before departure.
How long is the flight from Washington to Rio de Janeiro?
The cheapest one-way found recently, with Frontier Airlines on 11 Jan 2027, takes 39 h 30 min with 3 stops, including a 9 h connection.
Which airlines have the cheapest flights from Washington to Rio de Janeiro?
Between 19 Nov and 8 May 2027, avianca airlines has the cheapest return on 2 of the 3 departure dates we hold, and LATAM Airlines Group on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work