Cheap Flights from Helena (HLN) to Lille (LIL)

Popular airlines from Helena, MT (HLN-Helena Regional) to Lille (LIL-Lesquin)

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Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to Lesquin Airport (LIL) cost?
Get a cheap one-way flight or cheap return flight from Helena Regional Airport (HLN) to Lesquin Airport (LIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Helena Regional Airport (HLN) to Lesquin Airport (LIL)?
is the cheapest month to fly from HLN to LIL. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Lesquin Airport (LIL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from HLN to LIL. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Helena Regional Airport (HLN) to Lesquin Airport (LIL)?
Direct flights from Helena Regional Airport (HLN) to Lesquin Airport (LIL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HLN to LIL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Lesquin Airport (LIL)?
To avoid potential delays on the Helena Regional Airport (HLN) to Lesquin Airport (LIL) route, aim to travel before 3 PM. Flights after this time 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 Helena Regional Airport (HLN) to Lesquin Airport (LIL) last-minute?
Holding off until just before your trip to book your flight from HLN to LIL generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a HLN to LIL flight and hotel package?
Compared with arranging flights and hotels separately, booking a HLN to LIL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Lesquin Airport (LIL)?
In most cases, you can reschedule or cancel your HLN to LIL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Helena Regional
Destination airport
Lesquin
Distance
4690 mi

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Helena to Lille Flights

The cheapest times to fly from Helena to Lille

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 Helena to Lille are during the month of . You can find some of the cheapest flights from Helena to Lille with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Lille

Sunday is one of the best days to book for cheap flights from Helena to Lille: 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 Helena to Lille

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 Helena to Lille 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 Helena to Lille 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 Helena to Lille 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.

 

Helena to Lille Flights

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*Available to One Key members.