Cheap flights from Washington, D.C. (WAS) to Liège (LGG) from $1,669

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 6/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — LGG
Jun 4 — Jun 111

How far in advance should I book a flight from Washington, D.C. to Liège?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 15 days in advance, which can save you up to 15% on flights from Washington, D.C. to Liège compared to booking the week you need them. Waiting 15 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $644. For sooner than that we have options available in the next 3 days from $644.

What is the cheapest month to fly from Washington, D.C. to Liège?

The best pricing can be found in the month of February. Prices to Liège from Washington, D.C. average $825. You can even find prices in February for less than $825, as users have found deals to Liège from as low as $418. The month of June appears to be one of the more expensive times to travel to Liège from Washington, D.C.. Flying in the targeted month can save you up to 39%.

What is the cheapest time of day to fly from WAS to LGG?

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

Cheap Washington, D.C. to Liège flights in May & June 2024

Find cheap flight options from Washington, D.C. to Liège specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Wed 6/2610:20 pmIAD - LGG
2 stops20h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
3 stops41h 40mMultiple Airlines
Deal found 5/30$1,669
Wed 6/269:20 pmIAD - LGG
1 stop21h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
2 stops39h 20mMultiple Airlines
Deal found 5/30$1,838
Wed 6/269:20 pmIAD - LGG
1 stop21h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
3 stops41h 40mMultiple Airlines
Deal found 5/30$1,920

Washington, D.C. to Liège 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Liège in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Wed 6/2610:20 pmIAD - LGG
2 stops20h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
3 stops41h 40mMultiple Airlines
Deal found 5/30$1,669
Wed 6/269:20 pmIAD - LGG
1 stop21h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
2 stops39h 20mMultiple Airlines
Deal found 5/30$1,838
Wed 6/269:20 pmIAD - LGG
1 stop21h 10mMultiple Airlines
Fri 6/286:00 amLGG - IAD
3 stops41h 40mMultiple Airlines
Deal found 5/30$1,920

Find flights from Washington, D.C. to Liège within your budget

Customize your flight search to find flights from Washington, D.C. to Liège 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,669 - $1,920

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLiège Bierset

IAD - LGG

IADLGG

Washington, D.C. Dulles Intl

Wed 6/26

2 stops20h 10m

Liège Bierset

Fri 6/28

3 stops41h 40m

$1,669

Washington, D.C. Dulles IntlLiège Bierset

IAD - LGG

IADLGG

Washington, D.C. Dulles Intl

Wed 6/26

1 stop21h 10m

Liège Bierset

Fri 6/28

2 stops39h 20m

$1,838

Washington, D.C. Dulles IntlLiège Bierset

IAD - LGG

IADLGG

Washington, D.C. Dulles Intl

Wed 6/26

1 stop21h 10m

Liège Bierset

Fri 6/28

3 stops41h 40m

$1,920

Flights are sorted by cheapest first

Deals found on 5/30

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

Best time to book a flight from Washington, D.C. to Liège

Have a flexible travel schedule? Discover the best time to fly to Liège from Washington, D.C. 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.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Liège. 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 into for flights to Liège from Washington, D.C.?

    Liège Bierset (LGG) is the airport you will fly into if you book a flight from Washington, D.C. to Liège. You should not have trouble finding flights to Bierset from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Liège airport from Washington, D.C.. It is only a 6.0 mi journey from Bierset (LGG) to Liège’s city center.

  • Can I find flights from Washington, D.C. to Liège for under $1,700 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Liège for under $1,700. The cheapest flight booked recently is on Multiple Airlines for just $1,669, but on average you can expect to pay $1,809.

  • What does IAD to LGG mean?

    IAD stands for Washington, D.C. Dulles Intl Airport, while LGG stands for Liège Bierset Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Washington, D.C. to Liège that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to Liège flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to Liège with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to Liège flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington, D.C. to Liège that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Liège flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Liège?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Liège.

  • Can I find deals for business class flights from Washington, D.C. to Liège?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Liège by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington, D.C. to Liège that allow pets onboard?

    Many airlines flying from Washington, D.C. to Liège offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to Liège?

    Yes, you can often find last-minute deals on Washington, D.C. to Liège flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to Liège flight deals updated?

    The Washington, D.C. to Liège flight deals you see on this page were last updated on 5/30.

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Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Liège by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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Yes! Cheapflights helps users easily find flights from Washington, D.C. to Liège with no change fees.

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