Dulles Intl

$582+ Cheap flights from São Luiz (SLZ) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLZ — IAD
Jun 17 — Jun 241
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Find 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sat 6/215:00 pmSLZ - IAD
3 stops34h 45mMultiple Airlines
Mon 6/233:25 pmIAD - SLZ
2 stops31h 00mMultiple Airlines
Deal found 6/12$1,058
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/202:55 amSLZ - IAD
2 stops34h 04mLATAM Airlines
Mon 6/2312:49 pmIAD - SLZ
2 stops23h 51mLATAM Airlines
Deal found 6/12$2,089

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 June 12, 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

Sat 6/21

5:00 pm-2:45 am

3 stops34h 45m

$582

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Tue 7/15

5:35 pm-2:00 pm

2 stops45h 25m

$663

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Tue 7/29

5:00 pm-12:02 pm

2 stops20h 02m

$1,026

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Mon 7/28

3:15 am-11:16 pm

2 stops21h 01m

$1,057

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from São Luiz to Washington, D.C. Dulles Intl Airport

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from São Luiz to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is GOL, with whom users have recently found tickets for as low as $663. However, be on the lookout for offers from LATAM Airlines and Delta, as they are both options that can get you from São Luiz to Washington, D.C. Dulles Intl Airport for a low price.

  • 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.

  • What is the cheapest month to book a flight from São Luiz to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from São Luiz to Washington, D.C. Dulles Intl Airport (average of $309). Flying from São Luiz to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

See more FAQs

Traveling to a place near São Luiz?

Book flights to São Luiz if you plan to visit one of these locations
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Alexandria
Woodbridge
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Silver Spring
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Fredericksburg
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Fairfax
Falls Church
Easton
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National Harbor
Springfield
Manassas

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