HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$1,075+ Cheap flights from São Luiz (SLZ) 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLZ — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from São Luiz 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.

Cheap flight deals from São Luiz to Dulles Intl

Cheapest flights from São Luiz to Dulles Intl
Explore the most affordable flight options available from São Luiz to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:15 am
SLZ
-
IAD
2 stops31h 36m
LATAM Airlines
Mon 5/256:00 am
IAD
-
SLZ
2 stops34h 30m
LATAM Airlines
Deal found 1/26$1,075
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:00 pm
SLZ
-
IAD
2 stops32h 21m
Delta
Tue 2/177:52 pm
IAD
-
SLZ
2 stops28h 48m
Delta
Deal found 1/28$1,253
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/123:30 am
SLZ
-
IAD
2 stops22h 02m
Multiple Airlines
Tue 2/174:25 pm
IAD
-
SLZ
3 stops31h 40m
Multiple Airlines
Deal found 1/28$1,514

Find flight deals from São Luiz to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from São Luiz (SLZ) 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 January 29, 2026.

Round-trip from

$1,075
(LATAM Airlines)
From São Luiz Mal. Cunha Machado to Washington, D.C. Dulles Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from São Luiz 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from São Luiz to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

São Luiz

Fly to

Dulles Intl

Route

Depart

Return

Price

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Thu 5/21

5:15 am-11:51 am

2 stops31h 36m

Washington, D.C. Dulles Intl

Mon 5/25

6:00 am-5:30 pm

2 stops34h 30m

$1,075

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Fri 2/13

6:00 pm-12:21 am

2 stops32h 21m

Washington, D.C. Dulles Intl

Tue 2/17

7:52 pm-2:40 am

2 stops28h 48m

$1,253

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Thu 2/12

3:30 am-11:32 pm

2 stops22h 02m

Washington, D.C. Dulles Intl

Tue 2/17

4:25 pm-2:05 am

3 stops31h 40m

$1,514

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from São Luiz to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from São Luiz with our price prediction graph.
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.

Related info for your journey

Find useful and relevant information for your journey from São Luiz to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from São Luiz to Washington, D.C. Dulles Intl?

    Located just 5.5 mi from the city center, São Luiz Mal. Cunha Machado is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from São Luiz. Booking flights from Mal. Cunha Machado (SLZ) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from São Luiz to Washington, D.C. Dulles Intl Airport?

    LATAM Airlines and Delta can get you from São Luiz to Washington, D.C. Dulles Intl Airport in just under 31h 36m. Your travel time can differ by up to 45m. Airlines will cover a distance of 3560 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from São Luiz to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on São Luiz to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from São Luiz to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from São Luiz to Dulles Intl.

  • Can I find deals for business class flights from São Luiz to Dulles Intl?

    Yes. Cheapflights offers flight deals from São Luiz to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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 locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.

Alternative routes for São Luiz to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
São Luiz to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.