Cheap Flights from Liege (LGG) to Boston (BOS)

Popular airlines from Liege (LGG) to Boston

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Frequently asked questions

How much does a flight from Liege Airport (LGG) to Logan Intl. Airport (BOS) cost?
Snag a cheap one-way flight or cheap return flight from Liege Airport (LGG) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Liege Airport (LGG) to Logan Intl. Airport (BOS)?
Flying in may help you find better deals, as it's the cheapest month for flights between LGG and BOS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Liege Airport (LGG) to Logan Intl. Airport (BOS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LGG to BOS flight.
How many flights per day from Liege Airport (LGG) to Logan Intl. Airport (BOS)?
You'll have to hop on a flight with a layover when traveling from Liege Airport (LGG) to Logan Intl. Airport (BOS). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from LGG to BOS?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liege Airport (LGG) to Logan Intl. Airport (BOS)?
To avoid potential delays on the Liege Airport (LGG) to Logan Intl. Airport (BOS) route, travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Liege Airport (LGG) to Logan Intl. Airport (BOS) last-minute?
Booking your plane ticket from LGG to BOS just before your journey is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a LGG to BOS flight and hotel package?
You'll generally save money by securing a LGG to BOS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Liege Airport (LGG) to Logan Intl. Airport (BOS)?
In most cases, you can modify or cancel your LGG to BOS flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Liege
Destination airport
Logan Intl.
Distance
3517 mi

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Liege to Boston Flights

The cheapest times to fly from Liege to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Liege to Boston are during the month of . You can find some of the cheapest flights from Liege to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Liege to Boston

Sunday is one of the best days to book for cheap flights from Liege to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Liege to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Liege to Boston in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Liege to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Liege to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Liege to Boston Flights

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*Available to One Key members.