Cheap flights from Helsinki to Illinois from $542
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Illinois departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Helsinki to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Delta flights from Helsinki to Illinois
Our best Delta deals on Helsinki to Illinois flight tickets
United Airlines flights from Helsinki to Illinois
Our best United Airlines deals on Helsinki to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Helsinki 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 Helsinki is in February. Flight prices, which tend to average around $546, 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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $594.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Helsinki to Illinois is on a Monday when prices can be found for as low as $647. Flights from Helsinki to Illinois on a Saturday will generally be more expensive and average around $1,150. 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 at noon. Flights from Helsinki to Illinois during this time can be as low as $642. Flights in the afternoon are often more expensive with an average ticket price of $885.
What is the cheapest Helsinki-Vantaa to Illinois flight route?
Fly from Helsinki-Vantaa to Chicago O'Hare Intl for the best Helsinki-Vantaa - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Helsinki when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $743 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Helsinki for as low as $559 on momondo.
What cabin class options are available on Helsinki-Vantaa to Illinois flights?
There are 3 cabin classes available to choose from on Helsinki-Vantaa to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Helsinki to Illinois on average per day?
As of June 2025, 3 flights take off from Helsinki and land in Illinois each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from Helsinki to Illinois on average per week?
As of June 2025, 25 flights take off from Helsinki and land in Illinois each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.
Cheap Helsinki to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helsinki to Illinois
When did momondo last update prices for flights from Helsinki-Vantaa Airport to Illinois?
Prices for flights from Helsinki-Vantaa Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Helsinki-Vantaa Airport to Illinois?
There are 2 operators available for flights from Helsinki-Vantaa Airport to Illinois as of June 2025.
How old do you have to be to fly from Helsinki-Vantaa Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helsinki-Vantaa Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Helsinki to Illinois?
Based on momondo bookings for flights between Helsinki and Illinois, the leading plane model is Airbus A330-300, making up 75.26% of the total bookings. Other popular models include Airbus A330 with 20.82%, ATR 72-201 / 202 with 2.47%, and Airbus A350-900 with 1.03%.
Best airlines flying from Helsinki to Illinois
Compare and see reviews for airlines that fly from Helsinki to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $695 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom $838 | Free Cancellation | Rating 6.6 7,028 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Helsinki to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Helsinki to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Helsinki to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois from Helsinki with this policy.
How can momondo help me find flights from Helsinki to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helsinki to Illinois.
I’m not ready to book a flight from Helsinki to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Helsinki and alert you when they change.