HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luxembourg

$313+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LUX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Luxembourg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$475
(Justfly.com)

One-way from

$313
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$962
From Washington, D.C. Dulles Intl to Luxembourg
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Luxembourg
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 15, 2025.

This Justfly.com deal was found by Cheapflights users on 9/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:45 pmIAD - LUX
1 stop11h 40mTAP AIR PORTUGAL
Tue 10/215:45 pmLUX - IAD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 9/14$475
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:30 pmIAD - LUX
1 stop21h 55mTurkish Airlines
Tue 9/306:20 pmLUX - IAD
1 stop31h 25mTurkish Airlines
Deal found 9/13$487
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Wed 10/159:40 pmIAD - LUX
1 stop29h 50mTurkish Airlines
Wed 10/226:20 pmLUX - IAD
1 stop23h 25mTurkish Airlines
Deal found 9/15$505
This FlightHub deal was found by Cheapflights users on 9/13. 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 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 10/136:20 pmLUX - IAD
1 stop23h 25mTurkish Airlines
Deal found 9/13$542
This AirNGo deal was found by Cheapflights users on 9/14. 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 11/69:10 pmIAD - LUX
1 stop30h 45mTurkish Airlines
Wed 11/1910:50 amLUX - IAD
1 stop38h 25mTurkish Airlines
Deal found 9/14$567
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:10 pmIAD - LUX
1 stop30h 45mTurkish Airlines
Tue 11/46:00 pmLUX - IAD
1 stop23h 45mTurkish Airlines
Deal found 9/13$573
This Flighttix deal was found by Cheapflights users on 9/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:09 pmIAD - LUX
2 stops17h 26mScandinavian Airlines
Tue 11/46:15 pmLUX - IAD
1 stop29h 00mScandinavian Airlines
Deal found 9/13$575
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmIAD - LUX
1 stop21h 35mTurkish Airlines
Sat 12/610:50 amLUX - IAD
1 stop38h 25mTurkish Airlines
Deal found 9/14$579
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:20 pmIAD - LUX
2 stops14h 25mTAP AIR PORTUGAL
Tue 10/215:45 pmLUX - IAD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 9/14$580
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:30 pmIAD - LUX
1 stop14h 25mTurkish Airlines
Thu 12/1810:50 amLUX - IAD
1 stop38h 25mTurkish Airlines
Deal found 9/14$587
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:10 pmIAD - LUX
1 stop30h 45mTurkish Airlines
Sat 11/110:50 amLUX - IAD
1 stop30h 55mTurkish Airlines
Deal found 9/13$598
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:30 pmIAD - LUX
2 stops16h 10mTAP AIR PORTUGAL
Fri 12/55:40 pmLUX - IAD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 9/13$600

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 September 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

Sun 10/5

5:45 pm-11:25 am

1 stop11h 40m

Luxembourg

Tue 10/21

5:45 pm-3:20 pm

1 stop27h 35m

$475

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 11/27

5:30 pm-4:50 pm

1 stop17h 20m

Luxembourg

Fri 12/5

5:40 pm-3:15 pm

1 stop27h 35m

$475

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 11/13

1:30 pm-5:05 pm

1 stop21h 35m

Luxembourg

Fri 11/21

6:00 pm-11:45 am

1 stop23h 45m

$505

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Wed 10/15

9:40 pm-9:30 am

1 stop29h 50m

Luxembourg

Wed 10/22

6:20 pm-11:45 am

1 stop23h 25m

$505

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

6:20 pm-11:45 am

1 stop23h 25m

$542

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 11/6

9:10 pm-9:55 am

1 stop30h 45m

Luxembourg

Wed 11/19

10:50 am-7:15 pm

1 stop38h 25m

$567

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Sun 11/30

1:30 pm-9:55 am

1 stop14h 25m

Luxembourg

Sat 12/6

6:00 pm-11:45 am

1 stop23h 45m

$579

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 12/11

1:30 pm-9:55 am

1 stop14h 25m

Luxembourg

Thu 12/18

10:50 am-7:15 pm

1 stop38h 25m

$587

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Fri 11/14

1:30 pm-9:55 am

1 stop14h 25m

Luxembourg

Sat 11/22

6:00 pm-11:45 am

1 stop23h 45m

$616

Washington, D.C.Luxembourg

IAD - LUX

IADLUX

Washington, D.C. Dulles Intl

Thu 11/6

5:30 pm-6:45 pm

2 stops19h 15m

Luxembourg

Wed 11/19

9:40 am-3:15 pm

2 stops35h 35m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
1
2

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 $1,172). 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 September 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 September 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
1,975 reviews

Crew

7.8

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

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
1,975 reviews
TAP AIR PORTUGAL
7.1
Good
1,975 reviews

Crew

7.8

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

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
7,407 reviews
TAP AIR PORTUGAL
7.1
Good
1,975 reviews

Crew

7.8

Comfort

7.1

Food

6.2

Entertainment

6.3

Overall

7.1

Boarding

7.0

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.

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

    For as low as $475, TAP AIR PORTUGAL can have you in Luxembourg from Washington, D.C. Dulles Intl Airport in 11h 40m. There are 3983 mi between Washington, D.C. Dulles Intl Airport and Luxembourg. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $1,172). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Madrid flights
Dulles Intl to Istanbul flights
Reagan-National to Heathrow flights
Dulles Intl to Dublin flights
Dulles Intl to Gatwick flights
Dulles Intl to Lisbon flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to London City flights
Dulles Intl to Orly flights
Baltimore to Gatwick flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Reagan-National to Madrid flights
Dulles Intl to Frankfurt flights
Baltimore to Madrid flights
Reagan-National to Gatwick flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Athens flights
Reagan-National to Orly flights
Dulles Intl to Munich flights
Dulles Intl to Amsterdam flights
Dulles Intl to Bruxelles-National flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Zurich flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Istanbul flights
Dulles Intl to Geneva flights
Baltimore to Keflavik Intl flights
Baltimore to Lisbon flights
Dulles Intl to Stansted flights
Reagan-National to Lisbon flights
Baltimore to Istanbul flights
Baltimore to Dublin flights
Dulles Intl to Vienna flights
Reagan-National to Dublin flights
Dulles Intl to Luton flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Edinburgh flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Malpensa flights
Baltimore to Barcelona-El Prat flights
Dulles Intl to Ivalo flights
Dulles Intl to Linate flights
Dulles Intl to Beauvais-Tille flights
Reagan-National to Athens 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$606Average$1,151FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$672Average$843FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.