Cheap flights from Billund to Illinois from $481
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billund to Illinois departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from Billund to Illinois
Our best KLM deals on Billund to Illinois flight tickets
British Airways flights from Billund to Illinois
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How to get the cheapest flight ticket from Billund to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Billund is in November. Flight prices, which tend to average around $450, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $456.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Billund to Illinois is on a Tuesday when prices can be found for as low as $408. Flights from Billund to Illinois on a Saturday will generally be more expensive and average around $850. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Billund to Illinois during this time can be as low as $564. Flights at noon are often more expensive with an average ticket price of $595.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Billund when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $640 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Billund for as low as $443 on momondo.
Cheap Billund to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Billund to Illinois
When did momondo last update prices for flights from Billund Airport to Illinois?
Prices for flights from Billund Airport to Illinois were last updated today.
How many operators does momondo search for flights from Billund Airport to Illinois?
As of May 2025, there are 2 operators available to choose from for flights from Billund Airport to Illinois.
How old do you have to be to fly from Billund Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billund Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Billund to Illinois
Compare and see reviews for airlines that fly from Billund to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $427 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $559 | Free Cancellation | Rating 6.7 7,055 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Billund to Illinois?
Finding the right flight to Illinois from Billund is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.
Can I find flights from Billund to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Billund with this policy.
How can momondo help me find flights from Billund to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Billund.
I’m not ready to book a flight from Billund to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Billund. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.