$326+ Cheap flights from Guarulhos Intl, Brazil (GRU) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRU — IAD
Oct 9 — Oct 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Guarulhos Intl to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Sao Paulo Guarulhos Intl to Washington, D.C. Dulles Intl are usually found in January or March, booked 8 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Guarulhos Intl to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Guarulhos Intl to Dulles IntlExplore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Guarulhos Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:15 pm -
1 stop13h 05m
Sun 10/183:35 pm -
1 stop12h 50m
Deal found 9/5![Avianca logo]()
$681
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 am -
2 stops20h 10m
Mon 10/55:45 am -
2 stops18h 25m
Deal found 9/5![Avianca logo]()
$682
This Avianca deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:55 am -
2 stops19h 40m
Sat 1/165:50 am -
1 stop15h 05m
Deal found 9/4![Avianca logo]()
$688
This Avianca deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:25 pm -
1 stop21h 45m
Sun 11/155:50 am -
1 stop17h 25m
Deal found 9/6![Avianca logo]()
$689
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:35 am -
2 stops20h 10m
Mon 10/193:35 pm -
1 stop12h 50m
Deal found 9/5![Avianca logo]()
$691
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:40 pm -
2 stops16h 35m
Fri 10/306:50 am -
1 stop17h 25m
Deal found 9/5![Avianca logo]()
$693
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am -
1 stop31h 40m
Mon 9/286:50 am -
1 stop17h 20m
Deal found 9/9![GOL logo]()
$696
This Avianca deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:15 pm -
1 stop13h 05m
Tue 10/135:45 am -
2 stops18h 25m
Deal found 9/8![Avianca logo]()
$697
This Avianca deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:35 am -
2 stops20h 10m
Mon 9/286:50 am -
1 stop21h 35m
Deal found 9/9![Avianca logo]()
$698
Best flights from Guarulhos Intl to Dulles IntlDiscover carefully curated flight deals from Guarulhos Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Guarulhos Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/45:25 pm -
1 stop13h 05m
Mon 2/85:50 am -
1 stop32h 25m
Deal found 9/9![GOL logo]()
$696
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:30 pm -
Nonstop9h 55m
Tue 10/2711:30 pm -
Nonstop9h 50m
Deal found 9/8![United Airlines logo]()
$849
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am -
1 stop22h 45m
Wed 9/306:50 am -
1 stop21h 35m
Deal found 9/9![GOL logo]()
$699
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:05 pm -
2 stops32h 25m
Sat 1/305:50 am -
1 stop17h 25m
Deal found 9/9![GOL logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:30 pm -
Nonstop9h 55m
Mon 11/910:25 pm -
Nonstop9h 55m
Deal found 9/8![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:25 pm -
Nonstop10h 05m
Sun 11/158:34 am -
1 stop22h 56m
Deal found 9/6![United Airlines logo]()
$849
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2112:25 am -
1 stop14h 45m
Sat 1/25:50 am -
1 stop15h 05m
Deal found 9/9![GOL logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 pm -
Nonstop9h 55m
Mon 10/2611:30 pm -
Nonstop9h 50m
Deal found 9/8![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:25 pm -
Nonstop10h 05m
Sun 11/2910:25 pm -
Nonstop9h 55m
Deal found 9/6![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1210:25 pm -
Nonstop10h 05m
Fri 1/810:25 pm -
Nonstop9h 55m
Deal found 9/6![United Airlines logo]()
$983
Last-minute flights from Guarulhos Intl to Dulles IntlDiscover last-minute flight deals from Guarulhos Intl to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Guarulhos Intl to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:35 am -
2 stops20h 10m
Mon 9/286:50 am -
1 stop21h 35m
Deal found 9/9![Avianca logo]()
$698
This GOL deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am -
1 stop31h 40m
Mon 9/286:50 am -
1 stop17h 20m
Deal found 9/9![GOL logo]()
$696
This Avianca deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:35 am -
2 stops20h 10m
Sun 9/273:35 pm -
1 stop12h 50m
Deal found 9/6![Avianca logo]()
$700
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 am -
2 stops20h 10m
Mon 10/55:45 am -
2 stops18h 25m
Deal found 9/5![Avianca logo]()
$682
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:35 am -
2 stops20h 10m
Mon 10/193:35 pm -
1 stop12h 50m
Deal found 9/5![Avianca logo]()
$691
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:40 pm -
2 stops16h 35m
Fri 10/306:50 am -
1 stop17h 25m
Deal found 9/5![Avianca logo]()
$693
This Avianca deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:15 pm -
1 stop13h 05m
Tue 10/135:45 am -
2 stops18h 25m
Deal found 9/8![Avianca logo]()
$697
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:15 pm -
1 stop13h 05m
Sun 10/183:35 pm -
1 stop12h 50m
Deal found 9/5![Avianca logo]()
$681
This Avianca deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:15 pm -
1 stop22h 00m
Mon 10/263:30 pm -
1 stop13h 35m
Deal found 9/7![Avianca logo]()
$689
This Avianca deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 pm -
1 stop22h 00m
Tue 10/273:30 pm -
1 stop13h 35m
Deal found 9/5![Avianca logo]()
$699
One-way flights from Guarulhos Intl to Dulles IntlSearch for one-way flight options from Guarulhos Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Guarulhos Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:20 am -
2 stops30h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:20 am -
3 stops37h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:00 am -
3 stops56h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:13 am -
2 stops30h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:20 am -
3 stops28h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$373
Find flight deals from Guarulhos Intl to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Guarulhos Intl (GRU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $681 (Avianca) |
One-way from | $326 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $699 |
Good round-trip deal | $840 or less |
Good one-way deal | $453 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Guarulhos Intl to Dulles Intl 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, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Fri 10/23
4:45 am-12:32 am
1 stop20h 47m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Thu 11/19
5:05 am-11:33 pm
1 stop20h 28m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Tue 11/10
11:10 am-3:15 am
1 stop18h 05m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Mon 10/19
1:30 am-4:20 am
1 stop27h 50m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Wed 11/11
5:05 am-3:15 am
1 stop24h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Sun 10/4
5:00 am-4:20 am
1 stop24h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Wed 11/11
10:05 pm-4:30 am
2 stops32h 25m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$427
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Fri 10/23
10:00 pm-2:10 pm
2 stops41h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$427
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Sat 9/19
4:35 am-5:20 am
2 stops25h 45m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$464
Sao PauloWashington, D.C.
GRU Sao Paulo Guarulhos Intl - IAD Washington, D.C. Dulles Intl
GRUIAD
Sao Paulo Guarulhos Intl
Sun 9/20
5:00 am-4:20 am
1 stop24h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$470
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Guarulhos Intl to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Guarulhos Intl to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Sao Paulo Guarulhos Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sao Paulo Guarulhos Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sao Paulo Guarulhos Intl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sao Paulo Guarulhos Intl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sao Paulo Guarulhos Intl Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Guarulhos Intl to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Guarulhos Intl with our price prediction graph.
GRU-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport
Prices
Airlines
How far ahead should I book a flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?
The price you pay for your flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport (average of $604). Flying from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $914). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from GRU to IAD?
Find hourly flight availability from Guarulhos Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport as you normally would.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated September 9, 2026.
Read through reviews of airlines operating flights from Sao Paulo Guarulhos Intl Airport to Washington, D.C. Dulles Intl Airport, such as United Airlines,GOL, andAvianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Food
6.6
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Food
6.6
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Food
6.6
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Food
6.6
Crew
8.1
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Guarulhos Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
Tysons
Lanham
Reston
Chantilly
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Dulles Intl flight routes
Flights by cabin class
Other flight options
Other flights from Guarulhos Intl
Popular flights
Complete your trip
Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Search flights from Guarulhos Intl to Dulles Intl by cabin class
Find flights from Guarulhos Intl to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Guarulhos Intl and Dulles Intl flights
Browse other Guarulhos Intl and Dulles Intl flight options. Last updated on September 9, 2026.
Other flights from Guarulhos Intl
Browse through other flights departing from Guarulhos Intl. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Guarulhos Intl to Dulles Intl
Discover the top 3 airlines that operate flights from Guarulhos Intl to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$485 | Average$640 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$591 | Average$688 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$690 | Average$940 | FlexibilityNo cancel fee | On-time69% |