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

A quick flight from Luxembourg to Washington, D.C. Dulles Intl Airport can take about 14h 15m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $536. There are 3983 mi between Luxembourg and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

What is the cheapest time of day to fly from LU to IAD?

When flying from Luxembourg to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Luxembourg to Dulles Intl that include hotel bookings?

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

How can I find direct flights from Luxembourg to Dulles Intl?

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

Can I find deals for business class flights from Luxembourg to Dulles Intl?

Yes. Cheapflights offers flight deals from Luxembourg 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.

$510+ Cheap Flights from Luxembourg to Washington, D.C. Dulles Intl Airport

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Find flight deals from Luxembourg to Dulles Intl

Cheapest flights from Luxembourg to Dulles Intl
Explore the most affordable flight options available from Luxembourg to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Thu 12/115:40 pmLUX - IAD

1 stop33h 20mTAP AIR PORTUGAL

Tue 1/205:30 pmIAD - LUX

1 stop11h 45mTAP AIR PORTUGAL

Deal found 10/28

$548

Sat 12/1310:50 amLUX - IAD

1 stop11h 50mSWISS

Tue 1/208:30 pmIAD - LUX

1 stop30h 10mSWISS

Deal found 10/28

$611

Sat 12/1310:55 amLUX - IAD

1 stop11h 10mMultiple Airlines

Mon 1/196:50 pmIAD - LUX

1 stop9h 45mMultiple Airlines

Deal found 10/31

$631

Fri 11/1410:55 amLUX - IAD

1 stop11h 10mDelta

Thu 11/2712:36 pmIAD - LUX

2 stops15h 49mDelta

Deal found 10/31

$636

Thu 11/1310:55 amLUX - IAD

1 stop11h 10mDelta

Thu 11/276:05 pmIAD - LUX

1 stop17h 45mDelta

Deal found 10/30

$638

Fri 11/216:00 amLUX - IAD

1 stop16h 05mDelta

Wed 11/266:05 pmIAD - LUX

1 stop17h 45mDelta

Deal found 10/29

$639

Fri 11/2110:55 amLUX - IAD

1 stop11h 10mKLM

Wed 11/266:05 pmIAD - LUX

1 stop10h 20mKLM

Deal found 10/29

$644

Thu 12/119:30 amLUX - IAD

1 stop12h 05mUnited Airlines

Thu 1/112:31 pmIAD - LUX

2 stops21h 49mUnited Airlines

Deal found 10/30

$658

Best flights from Luxembourg to Dulles Intl
Discover carefully curated flight deals from Luxembourg to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2025.

Thu 4/2312:20 pmLUX - IAD

1 stop14h 15mTAP AIR PORTUGAL

Thu 5/710:35 pmIAD - LUX

1 stop12h 20mTAP AIR PORTUGAL

Deal found 10/31

$536

Mon 2/99:55 pmLUX - IAD

1 stop23h 40mAmerican Airlines

Wed 2/259:45 pmIAD - LUX

1 stop13h 05mAmerican Airlines

Deal found 10/29

$630

Sat 11/152:45 pmLUX - IAD

1 stop31h 20mMultiple Airlines

Mon 12/16:50 pmIAD - LUX

1 stop13h 00mMultiple Airlines

Deal found 10/30

$631

Sat 12/1310:55 amLUX - IAD

1 stop11h 10mDelta

Mon 1/1912:40 pmIAD - LUX

2 stops15h 45mDelta

Deal found 10/31

$636

Thu 12/115:40 pmLUX - IAD

1 stop33h 20mTAP AIR PORTUGAL

Tue 1/205:30 pmIAD - LUX

2 stops16h 20mTAP AIR PORTUGAL

Deal found 10/28

$609

Mon 12/19:55 pmLUX - IAD

1 stop28h 00mAmerican Airlines

Mon 12/156:20 pmIAD - LUX

1 stop20h 45mAmerican Airlines

Deal found 10/30

$631

Thu 4/239:05 pmLUX - IAD

1 stop24h 45mAmerican Airlines

Thu 5/72:12 pmIAD - LUX

2 stops14h 13mAmerican Airlines

Deal found 10/29

$631

Last-minute flights from Luxembourg to Dulles Intl
Discover last-minute flight deals from Luxembourg to Dulles Intl. Data last updated October 31, 2025 and is based on user searches.

Thu 11/1310:55 amLUX - IAD

1 stop11h 10mDelta

Thu 11/276:05 pmIAD - LUX

1 stop17h 45mDelta

Deal found 10/30

$638

Thu 11/137:05 pmLUX - IAD

2 stops25h 30mSWISS

Thu 11/275:25 pmIAD - LUX

1 stop15h 05mSWISS

Deal found 10/30

$679

Fri 11/1410:55 amLUX - IAD

1 stop11h 10mDelta

Thu 11/2712:36 pmIAD - LUX

2 stops15h 49mDelta

Deal found 10/31

$636

Sat 11/152:45 pmLUX - IAD

1 stop31h 20mMultiple Airlines

Mon 12/16:50 pmIAD - LUX

1 stop13h 00mMultiple Airlines

Deal found 10/30

$631

Sat 11/156:00 amLUX - IAD

2 stops19h 08mDelta

Mon 12/15:03 pmIAD - LUX

2 stops15h 12mDelta

Deal found 10/30

$692

Fri 11/216:00 amLUX - IAD

1 stop16h 05mDelta

Wed 11/266:05 pmIAD - LUX

1 stop17h 45mDelta

Deal found 10/29

$639

Fri 11/2110:55 amLUX - IAD

1 stop11h 10mKLM

Wed 11/266:05 pmIAD - LUX

1 stop10h 20mKLM

Deal found 10/29

$644

One-way flights from Luxembourg to Dulles Intl
Search for one-way flight options from Luxembourg to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 31, 2025.

Mon 12/17:10 pmLUX - IAD

2 stops53h 35mMultiple Airlines

Deal found 10/29

$510

Sun 11/305:05 pmLUX - IAD

3 stops51h 30mMultiple Airlines

Deal found 10/29

$518

Cheap flight deals from Luxembourg to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$536 (TAP AIR PORTUGAL)
One-way from	$510 (Trip.com)
Popular in	December
Cheapest in	June
Average price	$623

Provider with most accurate pricing for Luxembourg-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Luxembourg-Washington, D.C. (WAS) flights.

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From Luxembourg to Washington, D.C. Dulles Intl

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One-way flight from Luxembourg to Washington, D.C. Dulles Intl

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High demand for flights, 2% potential price rise

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Luxembourg to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Thu 4/23

12:20 pm-8:35 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Thu 5/7

10:35 pm-4:55 pm

1 stop12h 20m

$536

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Thu 12/11

5:40 pm-9:00 pm

1 stop33h 20m

Washington, D.C. Dulles Intl

Tue 1/20

5:30 pm-3:50 pm

2 stops16h 20m

$609

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Mon 2/9

9:55 pm-3:35 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Wed 2/25

9:45 pm-4:50 pm

1 stop13h 05m

$630

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Sat 11/15

2:45 pm-4:05 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Mon 12/1

6:50 pm-1:50 pm

1 stop13h 00m

$631

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Mon 12/1

9:55 pm-7:55 pm

1 stop28h 00m

Washington, D.C. Dulles Intl

Mon 12/15

6:20 pm-9:05 pm

1 stop20h 45m

$631

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Thu 4/23

9:05 pm-3:50 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Thu 5/7

2:12 pm-10:25 am

2 stops14h 13m

$631

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Sat 12/13

10:55 am-4:05 pm

1 stop11h 10m

Washington, D.C. Dulles Intl

Mon 1/19

12:40 pm-10:25 am

2 stops15h 45m

$636

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Mon 12/1

7:10 pm-6:45 pm

2 stops53h 35m

$510

LuxembourgWashington, D.C.

LUX - IAD

LUXIAD

Luxembourg

Sun 11/30

5:05 pm-2:35 pm

3 stops51h 30m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Luxembourg to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Luxembourg 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 Luxembourg to Washington, D.C. Dulles Intl Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Luxembourg to Washington, D.C. Dulles Intl Airport?
A quick flight from Luxembourg to Washington, D.C. Dulles Intl Airport can take about 14h 15m. TAP AIR PORTUGAL provides one of the quickest options available for as low as $536. There are 3983 mi between Luxembourg and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Luxembourg to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Luxembourg to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Luxembourg to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luxembourg to Dulles Intl.
Can I find deals for business class flights from Luxembourg to Dulles Intl?
Yes. Cheapflights offers flight deals from Luxembourg 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.

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$510+ Cheap flights from Luxembourg 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Luxembourg to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Luxembourg to Dulles Intl

Cheapest flights from Luxembourg to Dulles IntlExplore the most affordable flight options available from Luxembourg to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Explore the most affordable flight options available from Luxembourg to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

Cheap flight deals from Luxembourg to Dulles Intl

Keep the following information in mind while searching for Luxembourg to Dulles Intl flight deals. Data was last updated October 31, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Luxembourg to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Luxembourg to Dulles Intl

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

Cheapflights Insights

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

Related info for your journey

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

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

Can I find deals for flights from Luxembourg to Dulles Intl that include hotel bookings?

How can I find direct flights from Luxembourg to Dulles Intl?

Can I find deals for business class flights from Luxembourg to Dulles Intl?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from Luxembourg to Dulles Intl
Explore the most affordable flight options available from Luxembourg to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.