$624+ Cheap flights from District of Columbia to Liège (LGG)
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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LGG
Feb 25 — Mar 41
1 adult, Economy
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One-way flights from District of Columbia to LiègeSearch for one-way flight options from District of Columbia to Liège. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.
Search for one-way flight options from District of Columbia to Liège. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/210:20 pmIAD - LGG
3 stops58h 40mMultiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$653
Find flights from District of Columbia to Liège within your budget
Customize your flight search to find flights from District of Columbia 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 2,558,603 searches. Data last updated February 20, 2025.
Fly from
District of Columbia
Fly to
Liège
Route
Depart
Return
Price
Washington, D.C.Liège
IAD - LGG
IADLGG
Washington, D.C. Dulles Intl
Sun 3/2
10:20 pm-3:00 pm
3 stops58h 40m
$624
Best time to book a flight from District of Columbia to Liège
Have a flexible travel schedule? Discover the best time to fly to Liège from District of Columbia 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 District of Columbia to Liège
Get recent, data-driven insights about flights from District of Columbia to Liège including ideal travel times, pricing trends, and more.
Rainfall in Liège by month
Plan your trip to Liège by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Liège ranges from 1.2 - 2.8 inches per month. July is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Liège when rainfall is around 1.2 in.
Temperature in Liège by month
Plan your trip to Liège by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Liège, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).