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Dulles Intl

$1,011+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLZ — IAD
Feb 26 — Mar 51
Wed 2/26
Wed 3/5
1 adult, Economy
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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 February 21, 2025.

Round-trip from

$1,011
(MaxMilhas)
From São Luiz Mal. Cunha Machado to Washington, D.C. Dulles Intl
Search Deals

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 February 21, 2025.

This MaxMilhas deal was found by Cheapflights users on 2/20. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/42:55 amSLZ - IAD
2 stops22h 33mLATAM Airlines
Mon 4/77:46 pmIAD - SLZ
2 stops19h 29mLATAM Airlines
Deal found 2/20$1,011
This Delta deal was found by Cheapflights users on 2/20. 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.
Sat 4/511:40 amSLZ - IAD
2 stops26h 42mDelta
Mon 4/75:14 pmIAD - SLZ
2 stops22h 01mDelta
Deal found 2/20$1,065
This 123 Milhas deal was found by Cheapflights users on 2/20. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/55:35 pmSLZ - IAD
2 stops22h 29mMultiple Airlines
Sun 4/62:19 amIAD - SLZ
2 stops31h 41mMultiple Airlines
Deal found 2/20$2,351

Find flights from São Luiz to Dulles Intl within your budget

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 February 21, 2025.

Fly from

São Luiz

Fly to

Dulles Intl

Route

Depart

Return

Price

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Fri 4/4

2:55 am-12:28 am

2 stops22h 33m

Washington, D.C. Dulles Intl

Mon 4/7

7:46 pm-4:15 pm

2 stops19h 29m

$1,011

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Sat 4/5

11:40 am-1:22 pm

2 stops26h 42m

Washington, D.C. Dulles Intl

Mon 4/7

5:14 pm-4:15 pm

2 stops22h 01m

$1,065

São LuizWashington, D.C.

SLZ - IAD

SLZIAD

São Luiz Mal. Cunha Machado

Sat 4/5

5:35 pm-3:04 pm

2 stops22h 29m

Washington, D.C. Dulles Intl

Sun 4/6

2:19 am-11:00 am

2 stops31h 41m

$2,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from São Luiz to Dulles Intl

Get recent, data-driven insights about flights from São Luiz to Dulles Intl including ideal travel times, pricing trends, and more.

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 February 21, 2025.
Delta
8.0
Very good
8,213 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,793 reviews
Delta
8.0
Very good
8,213 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 June is currently the most expensive (average of $389). 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
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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