$458 Find Cheap Flights from Helsinki to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Helsinki to Illinois departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helsinki to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helsinki to Illinois, as well as popular online travel agencies
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Flight Deals

Book Cheap Helsinki to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Helsinki to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helsinki to Illinois

Thu, Oct 22 - Sat, Oct 31
Turkish Airlines Logo
8:20 am - 9:40 am
HEL
-
ORD
33h 20m
1 stop
Turkish Airlines Logo
12:50 pm - 6:05 pm
ORD
-
HEL
22h 15m
1 stop
$730Turkish Airlines
Wed, Aug 19 - Wed, Sep 2
Multiple Airlines Logo
6:10 am - 6:15 pm
HEL
-
ORD
44h 05m
2 stops
Multiple Airlines Logo
7:25 pm - 1:30 am
ORD
-
HEL
22h 05m
2 stops
$739Multiple Airlines
Mon, May 18 - Tue, Jun 2
KLM Logo
6:25 pm - 2:15 pm
HEL
-
ORD
27h 50m
1 stop
KLM Logo
4:20 pm - 5:40 pm
ORD
-
HEL
17h 20m
1 stop
$749KLM
Thu, May 14 - Fri, May 29
Delta Logo
7:00 am - 2:15 pm
HEL
-
ORD
15h 15m
1 stop
Delta Logo
2:00 pm - 1:05 pm
ORD
-
HEL
15h 05m
2 stops
$758Delta
Thu, May 14 - Fri, May 29
Delta Logo
7:00 am - 2:15 pm
HEL
-
ORD
15h 15m
1 stop
Delta Logo
9:25 am - 1:05 pm
ORD
-
HEL
19h 40m
2 stops
$759Delta
Thu, May 14 - Fri, May 29
Delta Logo
7:00 am - 8:14 pm
HEL
-
ORD
21h 14m
2 stops
Delta Logo
9:25 am - 1:05 pm
ORD
-
HEL
19h 40m
2 stops
$764Delta
Wed, Aug 19 - Wed, Sep 2
Icelandair Logo
3:00 pm - 6:15 pm
HEL
-
ORD
11h 15m
1 stop
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
$767Icelandair
Thu, May 14 - Fri, May 29
Icelandair Logo
3:00 pm - 6:15 pm
HEL
-
ORD
11h 15m
1 stop
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
$781Icelandair
Thu, May 14 - Fri, May 29
Air France Logo
7:00 am - 6:33 pm
HEL
-
MDW
19h 33m
2 stops
Air France Logo
1:22 pm - 1:05 pm
MDW
-
HEL
15h 43m
2 stops
$837Air France
Wed, Aug 19 - Wed, Sep 2
Air France Logo
7:00 am - 4:27 pm
HEL
-
MDW
17h 27m
2 stops
Air France Logo
1:05 pm - 1:05 pm
MDW
-
HEL
16h 00m
2 stops
$1,080Air France
Booking Insights

KAYAK's insights & trends for Helsinki to Illinois flights

Get data-powered insights and trends into flights from Helsinki to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Helsinki to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Helsinki to Illinois departing in October.

What is the cheapest Helsinki to Illinois flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Helsinki found in the last 72 hours was to Chicago, at $811 round-trip. The most popular route is from Helsinki (HEL) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $811.

What is the cheapest time of day to fly to Illinois?

The average price for all round-trip flights from Helsinki to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $1,150 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,150.

Can I save money by flying with a layover from Helsinki to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $863 on average.

What is the cheapest month to fly from Helsinki to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Helsinki to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Helsinki to Illinois is December, when tickets cost $445 (return) on average. On the other hand, the most expensive months are July and January, when the average cost of round-trip tickets is $694 and $632 respectively.

What’s the cheapest day of the week to fly from Helsinki to Illinois?

The average price of all round-trip flights from Helsinki to Illinois clicked on KAYAK for each day over the last 12 months.

When flying from Helsinki to Illinois, you should consider leaving on a Sunday and avoid Mondays if you are looking for the best rates. For your return to Helsinki, you’ll find the best rates on Sundays and the most expensive ones on Fridays.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$458
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Helsinki to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Helsinki to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helsinki to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helsinki to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Helsinki to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Helsinki to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Helsinki to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helsinki to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Helsinki to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Helsinki to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Helsinki to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Helsinki to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
FinnairOverall score based on 1392 reviews
7.7Boarding
7.4Comfort
6.7Food
8.2Crew
6.9Entertainment
Airline reviews

Rude Iberia security crew at the Madrid terminal. No Iberia officials to be found to redress complaints at the gate. No supervisors. Nothing for processing upgrades at the gate Iberia app did not work to let me upgrade my options to higher classes. No water was offered on a hot day in Madrid. Madrid airport air conditioning was so weak that people were sweating. Never book on any airlines that codeshare with Iberia.

2.0 MediocreShiva, Apr 2026
MAD - EWR
Read more Finnair reviews

Rude Iberia security crew at the Madrid terminal. No Iberia officials to be found to redress complaints at the gate. No supervisors. Nothing for processing upgrades at the gate Iberia app did not work to let me upgrade my options to higher classes. No water was offered on a hot day in Madrid. Madrid airport air conditioning was so weak that people were sweating. Never book on any airlines that codeshare with Iberia.

On a more than 8 hours flight was only one meal included, which I have never experienced before. Always two meals on the overseas flight. It was very weird.

Great if not for the boarding by bus at Heathrow terminal 3. Medieval disappointing time-consuming and very hard on handicapped flyers. It was awful

Positive: It was refreshingly easy and polite check-in and boarding staff. Flight was on time and Helsinki is a very well-signposted airport. Shopping was nice as well. Flight was not full and I had lots of space in economy. Flight was perfectly on time. Negative: Food and drink not very good, but that it is normal on any airline. Didn't expect anything else.

Business seating is soooo uncomfortable. You can sit straight up or lay down. You need pillows behind you because the back doesn’t lay down. Those are need to “prop” you up. The chair has no padding whatsoever. Food was gross. I’ve eaten on Finnair before and the food was exceptional. This time it gave 2 people in our party diarrhea. It was the chicken dish. I took 2 bites and didn’t eat anything more. The flight attendants were nice. You needed an additional lounge in Terminal D at DFW Airport. After waiting 40 minutes to enter, we finally gave up and went to a bar across from the club doors. I’m unsure if I’ll ever book a Finnair flight again.

Very good seat, very comfortable, good food, and good service.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Everything you need to know for your flight from Helsinki to Illinois

Information on your arrival and departure airports

Helsinki (HEL)