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$366+ Cheap flights from Dulles Intl (IAD) to Luxembourg

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LUX
Aug 20 — Aug 271
Wed 8/20
Wed 8/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Luxembourg

Keep the following information in mind while searching for Dulles Intl to Luxembourg flight deals. Data was last updated August 15, 2025.

Round-trip from

$510
(AirNGo)

One-way from

$366
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$947
From Washington, D.C. Dulles Intl to Luxembourg
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One-way flight from Washington, D.C. Dulles Intl to Luxembourg
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Highest demand for flights based on searches. 11% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Luxembourg

Cheapest flights from Dulles Intl to Luxembourg
Explore the most affordable flight options available from Dulles Intl to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 15, 2025.

This AirNGo deal was found by Cheapflights users on 8/14. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:05 pmIAD - LUX
1 stop18h 40mScandinavian Airlines
Wed 10/226:10 amLUX - IAD
2 stops19h 49mScandinavian Airlines
Deal found 8/14$510
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:30 pmIAD - LUX
1 stop20h 10mScandinavian Airlines
Wed 12/31:25 pmLUX - IAD
1 stop33h 50mScandinavian Airlines
Deal found 8/15$531
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:30 pmIAD - LUX
1 stop21h 55mTurkish Airlines
Mon 10/1310:25 amLUX - IAD
1 stop31h 20mTurkish Airlines
Deal found 8/15$552
This oojo deal was found by Cheapflights users on 8/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:40 pmIAD - LUX
1 stop29h 50mTurkish Airlines
Mon 10/66:20 pmLUX - IAD
1 stop23h 25mTurkish Airlines
Deal found 8/15$558
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:05 pmIAD - LUX
1 stop18h 40mScandinavian Airlines
Thu 10/96:25 pmLUX - IAD
1 stop31h 34mScandinavian Airlines
Deal found 8/14$559
This Ovago deal was found by Cheapflights users on 8/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 pmIAD - LUX
1 stop29h 50mTurkish Airlines
Wed 10/810:25 amLUX - IAD
1 stop31h 20mTurkish Airlines
Deal found 8/14$561
This AirNGo deal was found by Cheapflights users on 8/13. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:40 pmIAD - LUX
1 stop29h 50mTurkish Airlines
Tue 10/76:20 pmLUX - IAD
1 stop23h 25mTurkish Airlines
Deal found 8/13$566

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Luxembourg 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 August 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Luxembourg that are best for you.

Fly from

Dulles Intl

Fly to

Luxembourg

Route

Depart

Return

Price

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 10/9

10:05 pm-10:45 pm

1 stop18h 40m

Luxembourg

Wed 10/22

6:10 am-7:59 pm

2 stops19h 49m

$510

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Wed 11/19

8:30 pm-10:40 pm

1 stop20h 10m

Luxembourg

Wed 12/3

1:25 pm-5:15 pm

1 stop33h 50m

$531

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Tue 9/30

1:30 pm-5:25 pm

1 stop21h 55m

Luxembourg

Mon 10/13

10:25 am-11:45 am

1 stop31h 20m

$552

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Mon 9/29

9:40 pm-9:30 am

1 stop29h 50m

Luxembourg

Mon 10/6

6:20 pm-11:45 am

1 stop23h 25m

$558

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 9/25

10:05 pm-10:45 pm

1 stop18h 40m

Luxembourg

Thu 10/9

6:25 pm-7:59 pm

1 stop31h 34m

$559

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Tue 9/23

9:40 pm-9:30 am

1 stop29h 50m

Luxembourg

Wed 10/8

10:25 am-11:45 am

1 stop31h 20m

$561

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Mon 9/22

9:40 pm-9:30 am

1 stop29h 50m

Luxembourg

Tue 10/7

6:20 pm-11:45 am

1 stop23h 25m

$566

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Tue 1/20

1:30 pm-9:55 am

1 stop14h 25m

Luxembourg

Mon 1/26

6:00 pm-11:45 am

1 stop23h 45m

$578

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Sat 9/20

10:35 pm-11:25 am

1 stop30h 50m

$366

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Sat 9/20

5:00 pm-6:25 pm

2 stops19h 25m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 15 results
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Best time to book a flight from Dulles Intl to Luxembourg

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Luxembourg (average of $638). Flying from Washington, D.C. Dulles Intl Airport to Luxembourg in June is currently the most expensive (average of $1,173). 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.

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

Find hourly flight availability from Dulles Intl to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 15, 2025.

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

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. 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 Luxembourg. Reviews last updated August 15, 2025.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL and Lufthansa from Washington, D.C. Dulles Intl Airport to Luxembourg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
1,951 reviews

Crew

7.8

Comfort

7.1

Overall

7.1

Entertainment

6.3

Boarding

7.0

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
TAP AIR PORTUGAL
7.1
Good
1,951 reviews
TAP AIR PORTUGAL
7.1
Good
1,951 reviews

Crew

7.8

Comfort

7.1

Overall

7.1

Entertainment

6.3

Boarding

7.0

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
Lufthansa
6.8
Okay
7,321 reviews
TAP AIR PORTUGAL
7.1
Good
1,951 reviews

Crew

7.8

Comfort

7.1

Overall

7.1

Entertainment

6.3

Boarding

7.0

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Luxembourg 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 Washington, D.C. Dulles Intl Airport to Luxembourg?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Luxembourg (average of $638). Flying from Washington, D.C. Dulles Intl Airport to Luxembourg in June is currently the most expensive (average of $1,173). 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

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Alternative routes for Dulles Intl to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
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Reagan-National to Heathrow flights
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Baltimore to Gatwick flights
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Reagan-National to Madrid flights
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Baltimore to Madrid flights
Baltimore to Charles de Gaulle flights
Baltimore to Dublin flights
Reagan-National to Charles de Gaulle flights
Reagan-National to Dublin flights
Reagan-National to Gatwick flights
Dulles Intl to Keflavik Intl flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Munich flights
Dulles Intl to Edinburgh flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Orly flights
Dulles Intl to Amsterdam flights
Baltimore to Keflavik Intl flights
Baltimore to Stansted flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Dulles Intl to Luton flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Stansted flights
Reagan-National to Keflavik Intl flights
Reagan-National to Istanbul flights
Dulles Intl to Zurich flights
Dulles Intl to Vienna flights
Baltimore to Frankfurt flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Vicenza flights
Reagan-National to Frankfurt flights
Dulles Intl to Malpensa flights
Baltimore to Istanbul flights
Baltimore to Athens flights
Reagan-National to Athens flights
Baltimore to Barcelona-El Prat flights

Top 2 airlines flying from Dulles Intl to Luxembourg

Discover the top 2 airlines that operate flights from Dulles Intl to Luxembourg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$606Average$1,151FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$672Average$907FlexibilityNo cancel feeOn-timeN/A

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