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Dulles Intl

$1,060+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SLZ — IAD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from São Luiz to Dulles Intl

Best flights from São Luiz to Dulles Intl
Discover carefully curated flight deals from São Luiz to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/26. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:35 pmSLZ - IAD
2 stops35h 38mCopa Airlines
Sun 4/54:25 pmIAD - SLZ
2 stops41h 35mCopa Airlines
Deal found 10/26$1,060
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:15 amSLZ - IAD
2 stops36h 36mDelta
Sun 4/57:00 amIAD - SLZ
2 stops26h 55mDelta
Deal found 10/26$1,162

Cheap 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 October 29, 2025.

Round-trip from

$1,060
(Copa Airlines)
From São Luiz Mal. Cunha Machado to Washington, D.C. Dulles Intl
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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 October 29, 2025.
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

Wed 4/1

5:35 pm-4:13 am

2 stops35h 38m

Washington, D.C. Dulles Intl

Sun 4/5

4:25 pm-11:00 am

2 stops41h 35m

$1,060

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Tue 3/31

3:15 am-2:51 pm

2 stops36h 36m

Washington, D.C. Dulles Intl

Sun 4/5

7:00 am-10:55 am

2 stops26h 55m

$1,162

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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?

    Copa Airlines and Delta can get you from São Luiz to Washington, D.C. Dulles Intl Airport in just under 35h 38m. Your travel time can differ by up to 58m. 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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