ORD - HEL

$334 Find Cheap Flights from Chicago O'Hare Airport to Helsinki

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Helsinki departing on 10/9. 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 Helsinki

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Helsinki, 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 Chicago to Helsinki, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$691
Typical prices: $1,092-$799
Icelandair
Tue 8/11Fri 8/21
ORD - HEL • 1 stop
Cheapest non-stop
$843
Finnair
Mon 10/12Thu 10/15
ORD - HEL • Non-stop
Top airlines
Cheapest • from $650 (round-trip)
Best reviews • 7.6 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with Finnair. Average duration is 8h 45m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $680 (round-trip)
Shortest trip • 12h 43m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 8% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 40% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
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We hope you love your trip to Helsinki!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from O'Hare Intl to Helsinki (ORD-HEL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl to Helsinki 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 O'Hare Intl to Helsinki

Tue, Aug 11 - Fri, Aug 21
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$691Icelandair
Sun, Aug 2 - Mon, Sep 7
Icelandair Logo
10:25 pm - 10:30 pm
ORD
-
HEL
16h 05m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$694Icelandair
Sun, Aug 16 - Fri, Aug 21
Multiple Airlines Logo
7:25 pm - 9:20 pm
ORD
-
HEL
17h 55m
2 stops
Multiple Airlines Logo
9:20 pm - 9:25 pm
HEL
-
ORD
32h 05m
3 stops
$695Multiple Airlines
Sun, Aug 2 - Tue, Sep 8
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$704Icelandair
Mon, Aug 24 - Thu, Sep 10
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
Icelandair Logo
3:00 pm - 6:15 pm
HEL
-
ORD
11h 15m
1 stop
$717Icelandair
Mon, Aug 3 - Wed, Aug 19
Icelandair Logo
10:25 pm - 2:00 pm
ORD
-
HEL
31h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$719Icelandair
Fri, Aug 28 - Mon, Sep 7
Icelandair Logo
7:25 pm - 2:00 pm
ORD
-
HEL
10h 35m
1 stop
Icelandair Logo
3:00 pm - 6:15 pm
HEL
-
ORD
11h 15m
1 stop
$720Icelandair
Mon, Aug 3 - Wed, Aug 19
Icelandair Logo
10:25 pm - 2:00 pm
ORD
-
HEL
31h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$721Icelandair
Mon, Aug 3 - Wed, Aug 19
Icelandair Logo
10:25 pm - 2:00 pm
ORD
-
HEL
31h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$725Icelandair
Tue, Sep 1 - Tue, Sep 8
Icelandair Logo
10:25 pm - 2:00 pm
ORD
-
HEL
31h 35m
1 stop
Icelandair Logo
3:00 pm - 9:25 pm
HEL
-
ORD
14h 25m
1 stop
$726Icelandair
Booking Insights

KAYAK's insights & trends for O'Hare Intl to Helsinki flights

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

How much is a round-trip flight from Chicago O'Hare Intl Airport to Helsinki?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago O'Hare Intl Airport to Helsinki departing in August.

What’s the cheapest day of the week to fly from Chicago O'Hare Airport to Helsinki?

The average price of all round-trip flights from Chicago O'Hare Intl Airport to Helsinki clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Helsinki on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Chicago O'Hare Airport to Helsinki. For your return ticket, we recommend flying on a Sunday and avoiding Thursdays for the best deals.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Helsinki?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to Helsinki, 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 Chicago O'Hare Intl Airport to Helsinki is February, where tickets cost $469 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,227 and $1,002 respectively.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Helsinki?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to Helsinki, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Helsinki, you should book around 3 weeks before departure, which saves you about 8% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Expert advice

Expert advice for your flight from O'Hare Intl to Helsinki

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Good to know

Low seasonJanuary
Cheapest flight$334
Best time to beat the crowds with an average 38% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Chicago O'Hare Airport to Helsinki

When to book flights from O'Hare Intl to Helsinki

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Helsinki based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago O'Hare Airport to Helsinki flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Helsinki?

    In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Helsinki was $334 for a one-way ticket and $650 for a round-trip.

  • Do I need a passport to fly between Chicago O'Hare Airport and Helsinki?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Chicago O'Hare Airport and on arrival in Helsinki.

  • Which airports will I be using when flying from Chicago O'Hare Airport to Helsinki?

    When flying out of Chicago O'Hare Airport you will be using Chicago O'Hare Intl. You will be landing at Helsinki, also known as Helsinki-Vantaa.

  • Which airlines offer Wi-Fi service onboard planes from Chicago O'Hare Airport to Helsinki?

    All the following airlines offer inflight Wi-Fi service on the Chicago O'Hare Airport to Helsinki flight route: Alaska Airlines, JetBlue, Iberia, American Airlines, SWISS, United Airlines, and British Airways.

  • Which aircraft models fly most regularly from Chicago O'Hare Airport to Helsinki?

    The Airbus A330-300 is the aircraft model that flies most regularly on the Chicago O'Hare Airport to Helsinki flight route.

  • Which airline alliances offer flights from Chicago O'Hare Airport to Helsinki?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Chicago O'Hare Airport and Helsinki, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Chicago O'Hare Airport to Helsinki?

    There are nonstop flights from Chicago O'Hare Airport to Helsinki on a daily basis.

  • Which is the best airline for flights from Chicago to Helsinki, Finnair or Scandinavian Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Helsinki are Finnair and Scandinavian Airlines. With an average price for the route of $1,029 and an overall rating of 7.6, Finnair is the most popular choice. Scandinavian Airlines is also a great choice for the route, with an average price of $560 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport to Helsinki?

    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 Chicago O'Hare Airport to Helsinki.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helsinki from Chicago O'Hare Airport 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 Chicago O'Hare Airport to Helsinki?

    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 to Helsinki with an airline and back to Chicago O'Hare Airport with another airline. Booking your flights between Chicago O'Hare Airport and HEL can sometimes prove cheaper using this method.

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

    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 to Helsinki from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to Helsinki

  • Looking for a cheap flight? 25% of our users found flights on this route for $499 or less one-way and $887 or less round-trip.

Prefer to fly direct from Chicago O'Hare Airport to Helsinki?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago O'Hare Intl to Helsinki-Vantaa.
Find which airlines fly direct from Chicago O'Hare Intl Airport to Helsinki-Vantaa Airport, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to Helsinki-Vantaa

Monday

Finnair

Finnair

Tuesday

Finnair

Finnair

Wednesday

Finnair

Finnair

Thursday

Finnair

Finnair

Friday

Finnair

Finnair

Saturday

Finnair

Finnair

Sunday

Finnair

Finnair

See more direct flights

Direct returns

Helsinki-Vantaa to Chicago O'Hare Intl

Monday

Finnair

Finnair

Tuesday

Finnair

Finnair

Wednesday

Finnair

Finnair

Thursday

Finnair

Finnair

Friday

Finnair

Finnair

Saturday

Finnair

Finnair

Sunday

Finnair

Finnair

See more direct flights

Reviews of the top 5 airlines serving from O'Hare Intl to Helsinki

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Helsinki. 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 O'Hare Intl to Helsinki? 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 1412 reviews
6.7Food
6.9Entertainment
8.2Crew
7.7Boarding
7.4Comfort
Airline reviews

Late, dirty cabin, charging ports broken, uncomfortable, no tomato juice, barely edible food

4.0 OkayAnonymous, Jun 2026
HEL - LAX
Read more Finnair reviews

Late, dirty cabin, charging ports broken, uncomfortable, no tomato juice, barely edible food

Finnair was not able to get our luggage on a connecting flight and there was a substantial delay of two days to obtain our lugguage. They did not communicate well, and we had to travel a significant distance to finally get our luggage. It has been a very negative experience.

Flight on time, landed well ahead of schedule. Attendants were excellent and responsive

The crew was friendly, and the flight landed on time

Comfort. Not good very little space after the person in front of you lay back.

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

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.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

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

Terrible airlines, kept lying to me about the fact that my connection flight was cancelled. Left me hanging until last min. NEVER AGAIN

Mediocre. Maybe due to Economy light. Staff was great. Space shrunk, not for me, and definitely not for Vikings. Food was decent. Assistance lagging. There was a possibility to upgrade to Premium economy, however my bid was immediately classified as low and not even considered (though well over minimum bid). Thus I was no bleeding dry.

Upon departing and landing, the man seating in front of me had his seat leaning back. Taking off nobody told him anything. Landing someone from the crew said something but the passenger ignored him and nobody followed up. Felt a bit unsecured. If this that is some of the basics are missed, what else was overlooked?

On time, reasonably comfortable for economy, decent food. All in all a very good experience.

Every flight got canceled or delayed. Customer service was awful.

They lost my luggage and can’t find it. My trip is ruined. Online tracking of lost luggage doesn’t work

No free Wi-Fi. I have SkyMiles but not a high status, having an account has been enough for Wi-Fi on other flights, but this one was going to charge me to use it. Also turbulence was really bad toward the end, but I didn't count this in my ratings since I know Delta cannot control the weather - it's 2026 and lack of WiFi alone is enough for a poor rating.

The stewardess was incredibly rude. The gave you only one drink with dinner.

Cancelled flight, wasn't refunded paid selected seats. Poor customer service. Called airline and they didn't realize the flight was cancelled until several hours after the email notice was sent.

The worst with the trip was the space in economy, my knees are still hurting. There was no way to control personal air by turning a knob above you, it was way to hot on both rides. During the night flight they allowed 2 people from across the aile which was narrow to sit and talk for 7 hours while also using tablets and the flashlight from their phones pointing into the row where I sat at times. They allowed people with way too large baggage to bring onboard. I paid way too much for the ticket ($1,364} for economy. Kayak misinformed me to get cancellation insurance that was only valid for a very short time (less than 12 hours) and was over one hundred dollars. Hotel booking was incorrect, I had the room booked myself at the hotel, only double or larger rooms available which I paid over 400 dollars for. I will never fly with SAS again unless there is no other alternative.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

Smooth travel. Immediate update prior flight delay so I can arrange myself properly without too rush.

Boarded early; and arrived home 40 mins early. After a long flight, it’s nice to be back home early. These flights have no amenities; no snacks. So need to bring your own

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

The crew was great. Very friendly and responsive. The plane was old, small and tight. We ran out of overhead space and I had to check. Middle seat was particularly tight.

Several missed and almost missed connections. It felt like everything was being patched together last minute without enough resources and it ended up being an extremely stressful experience that basically ruined our weekend on the west coast. What a waste.

Crew was friendly. Seats are too narrow, particularly when a big person is in the adjacent seat, but I understand this is due to smaller planes usually flight into Lincoln. I have experienced several flight delays going out and coming into Lincoln airport, I say maybe 50% or higher of the flights I've taken out of this airport have been delayed.

Great flight. Boarded efficiently. Arrived early at CLT. There was no in flight entertainment on this aircraft. Great crew.

The seat was comfortable. There was a lot of turbulence. If it weren't for that,it would have been okay.

I liked the crew but not the uncomfortable seats and lack of movie and tv selection.

They cancelled our connecting flight resulting in another layover reaching our final destination 8 hours later than scheduled.

Repurchased food and it was moldy and expensive. But I figured it was bad luck so I purchased a cup-o-noodles, halfway through them we hit turbulence and the flight attendant was passing with the garbage, it would have been two seconds to grab it, but he was snarky grabbed someone else’s plastic cups and went to buckle up… I used the puke bags to secure the soup before it became an accessory. When he finally came around he gave me a face like a petulant child as I handed him the soup neatly wrapped in the paper then plastic bag. I watched a movie in silence as the rental or headphones was ridiculous at 4€ for those .10€ cheap plastic toys. No English subtitles on an American movie… crazy. I disliked the whinny little tourist trap and now I hope that it sinks into the ocean or erupts in a catastrophic eruption for their beloved “I live on an active volcano” pride.

On-time arrivals and departures. Crew helpful and friendly. Yet everything costs extra: seat selection, food, even airphones!

Friendly flight crew. Airplane (757) configured as a domestic flight (no lie-flat seats) & no advanced meal selection.

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

Screen didn't work, and neither did the button to tilt the seat even though the seat was comfortable

Second time with Saga Premium, everything was fab, but the entertainment centre on both my flights didn't work, plus the seat on the NY to Rek flight (Airbus) was so solid and so uncomfortable. The 737Max flight's seat was much, much better.

The most uncomfortable seat i’ve ever had on a flight

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

We sat in our seats on the tarmac for almost 3 hours due to storms. They would not give us water or a snack. We were to depart at 7.30 pm and it was about 10.30 when we took off. No dinner until much after that. Beef type noodle dish was terrible with about a teaspoon of beef in it. The breakfast sweet waffle with egg and sausage inside was horrible. An English muffin sandwich would have been much better. Food was the worst in all of our years of traveling the world.

Our screen kept turning off ...3 times...had to get crew attention to turn it on again

They messed up my seat so I didn’t get the one I paid for

Put me on standby; flight was late; missed my connecting flight; disaster

Flight attendants were fine, seats a bit hard but I use a cushion for extra support. The only issue was it was a bit too cool and I needed to ask for and received and extra blanket. I survived!!!

Very few things and/or people are excellent. It was very good.

Extremely uncomfortable seats. Experience was like a Frontier Airlines flight. Would not fly it again.

Very, very tight legroom. They must’ve jammed in an additional few rows of seat seating. Denver to Munich was the least legroom I’ve ever had on any flight, let alone a multi hour international journey. I will not take that flight again.

In my first flight with Air Canada we sat in the plane for 4:00pm to 6:30pm. Finally we were asked to get off the plane and we were told the flight was cancelled after 7:00pm There was o clear explanation of what was the problem. I was booked without my permission on a Delta Flight at 7:30pm that was leaving at 8:00pm and I still had to go get my luggage(my final destination was Rome with one stop in Toronto. The luggage claim for Canada was closed so had to return to finally get it on the luggage belt.. Of course I missed the Delta flight and all the next day flights were booked. I also lost what I paid for my stay in Rome because I did nt cancel in time. A complete nightmare.

Good food, overall very comfy. The flight was full so obviously not optimal, but it is what it is.

Everything you need to know for your flight from O'Hare Intl to Helsinki

Information on your arrival and departure airports