$453 Find Cheap Flights from Chicago to Estonia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Estonia departing on 2/12. 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

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Cheap Flights from Chicago to Estonia

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Tallinn
Tallinn1 stop$453
Tartu
Tartu2 stops$1,017
Tallinn
Tallinn1 stop$453
Tartu
Tartu2 stops$1,017

Book Cheap Chicago to Estonia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Estonia 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 Chicago to Estonia

Thu, Feb 12 - Mon, Feb 16
Scandinavian Airlines Logo
7:20 pm - 10:20 amORD-TLL
31h 00m1 stop
Scandinavian Airlines Logo
8:00 pm - 4:45 pmTLL-ORD
52h 45m2 stops
$453Scandinavian Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 17
Scandinavian Airlines Logo
7:20 pm - 11:40 pmORD-TLL
20h 20m2 stops
Scandinavian Airlines Logo
7:00 am - 4:45 pmTLL-ORD
41h 45m2 stops
$494Scandinavian Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Lufthansa Logo
3:35 pm - 6:25 pmORD-TLL
18h 50m1 stop
Lufthansa Logo
6:00 am - 12:55 pmTLL-ORD
14h 55m1 stop
$498Lufthansa
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Tue, Oct 7 - Tue, Oct 14
Lufthansa Logo
9:40 pm - 6:25 pmORD-TLL
12h 45m1 stop
Lufthansa Logo
2:35 pm - 7:55 pmTLL-ORD
13h 20m1 stop
$499Lufthansa
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Tue, Oct 14 - Tue, Oct 21
 Logo
7:05 pm - 1:35 amORD-TLL
22h 30m1 stop
 Logo
7:20 am - 2:48 pmTLL-ORD
15h 28m2 stops
Tue, Oct 14 - Tue, Oct 21
Air Canada Logo
9:55 am - 12:50 pmORD-TLL
18h 55m2 stops
Air Canada Logo
7:20 am - 8:11 pmTLL-ORD
20h 51m2 stops
$518Air Canada
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Tue, Oct 7 - Tue, Oct 14
 Logo
10:40 am - 7:55 pmORD-TLL
25h 15m2 stops
 Logo
6:00 am - 3:55 pmTLL-ORD
17h 55m1 stop
Sun, Sep 28 - Sun, Oct 5
Finnair Logo
5:40 pm - 4:10 pmORD-TLL
14h 30m2 stops
Finnair Logo
6:00 am - 3:45 pmTLL-ORD
17h 45m2 stops
$597Finnair
Find Deal
Fri, Oct 17 - Sun, Oct 26
United Airlines Logo
4:20 pm - 1:40 pmORD-TLL
37h 20m2 stops
United Airlines Logo
1:55 pm - 5:00 amTLL-ORD
22h 05m2 stops
$684United Airlines
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Wed, Sep 17 - Sun, Sep 28
United Airlines Logo
11:12 am - 1:55 pmORD-TLL
18h 43m2 stops
United Airlines Logo
6:00 am - 6:30 amTLL-ORD
32h 30m2 stops
$715United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Chicago to Estonia flights

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

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

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 Estonia, 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 Estonia is April, when tickets cost $548 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,030 and $919 respectively.

What’s the cheapest day of the week to fly from Chicago to Estonia?

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

When flying from Chicago to Estonia, you should consider leaving on a Wednesday and avoid Mondays if you are looking for the best rates. For your return to Chicago, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

Good to know

Low seasonMarch
Cheapest flight$453
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 47% increase in price.
Flight from Chicago to Tallinn

FAQs - booking Estonia flights

  • How does KAYAK find such low prices on flights from Chicago to Estonia?

    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 to Estonia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Chicago to Estonia 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 to Estonia?

    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 Chicago to Estonia 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 Chicago to Estonia?

    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 Chicago to Estonia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Estonia?

    The cheapest time of day to fly to Estonia is generally at night, when round-trip flights cost $702 on average. Morning departures are around 6% more expensive than evening flights, on average. The most expensive time of day to fly to Estonia is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $851.

Reviews of the top 4 airlines serving from Chicago to Estonia

 
Need help choosing which airline to fly with from Chicago to Estonia? 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 1321 reviews
7.5Comfort
6.9Entertainment
8.1Crew
6.7Food
7.6Boarding
Airline reviews

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

10.0 ExcellentSarah, Aug 2025CPH - HEL
Read more Finnair reviews

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.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

Crew very lovely. Arrived an hour late due to bad weather. We were given new tickets to an other flight but it could have been organised better, so we did not have to run through the whole airport to.

Flight delayed over an hour. They said they would hold our connection but then did not.

Major problems checking in at Alaska counter. They could not find our booking code because it came from Finnair.

Do not use KAYAK or Finair for future travel. Unless you purchase the tickets directly from the airline, you were going to have a difficult time checking in. Kayak canceled my flights twice and ended up causing great difficulty in me getting back from Europe because they double sold my tickets between American Airlines and Finair. The event caused significant delays and led to me having to rebook my flights.

The staff were all particularly great. The plane was clean and fresh. The bassinet worked great. It was all very nice.

Will not recommend SAS for business travel. Food was so-so. Service was very good. First leg was very good. Second leg from Copenhagen to Barcelona was terrible. We paid a LOT for business class and to have seats worse than most coach seats with no entertainment and no charging available for 1/3rd of the whole trip was not acceptable. Very disappointing. I thought they were coming back in the U.S. with style, NOT YET.

I do not have a problem with the airline but both my two suitcases that were supposed to go from Hawaii to Copenhagen didn’t get on the plane in Seattle. I arrive on Monday the 21st at 10:30 in the morning. I did not get my two suitcases before Friday late afternoon that is unacceptable.

Love thiscsirlibe. So civilized and kind. Good food. Good treatment. On time. Excellent communication.

No choice of food. Needed to pay more even for a can of coke!!!

The seats were really close together and hard to get comfortable. The food was okay. The cheese was amazing! I loved the cold towels they gave us.

When my flight was changed from delays they were quick to rebook me.

I really enjoyed how clean and big the aircraft was, as well as how friendly the crew was.

Airline left me stranded in the U.S. gave me an unrequested refund of 40% of booking and canceled my trip back! When I asked why, the said “we don’t have to tell you why”. “But you can rebook”. Never again! Paid 2x and rebooked on Austrian. What a joke!

Painful seats for a 10 hour flight. There’s a very hard flat board in the seat that goes up to half the back and after 7 hours it gets impossible to find the right position to avoid the pain.

I liked the free wifi in business class and the food and beverages.

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

We had a layover from YVR to Denver. We bought 4 bottles of Absolut Vodka at the YVR Duty Free for $116.20, after going through security and American Customs Pre Clearance at YVR, Vancouver. When we landed in Denver, United put us behind the American Customs as well as TSA again for some reason. We were forced to go through American Customs and TSA again. TSA confiscated our rightfully owned Duty Free Absolut Vodka bottles. Because United incorrectly forced our flight behind American border and TSA again, we missed the connecting flight. After United put us on a later flight, we eventually arrived in Chicago very late, with hardly any sleep. I am looking for compensation from United for our incorrectly confiscated Absolut Vodka bottles worth $116.20, as well as compensation for incorrectly putting us behind American Customs and TSA again, causing us to miss our connecting flight, making us arrive extremely late in Chicago.

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

It was delayed instead of departing at 9:20pm, we departed at 11pm… putting us in Columbus after 2am! It was awful. Had I known about the delay, I could have spent some time in the United Lounge… I was starving because I started my journey in Budapest… so I was exhausted and hungry. Plus I had to make new arrangements to be picked up at the airport in Columbus, instead of midnight it was 2:30 am after getting luggage and out of airport. Not feasible. I would have just stayed in Chicago for the night and gotten a morning flight.

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Evidently, my seat had the only broken TV. I couldn’t plug it in, get it to come on, or watch anything, and of course, no one could fix it while we were on the plane. The service was good and the boarding was quick

The boarding of took of late.The presentation of the food was horrable as was the tast of the food was cold and tastless.

Delay and keep changing gates. I have to run around from B to C then to E.

I was charged for my daughters bag when I am supposed to receive two free checked bags with my United Explorer card.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

The flight and crew were good. The customer experience on the ground could have been better. We had to reschedule our flight because of a delay on the previous flight. The attendants working the desk in Washington DC were not helpful. They told us to scan a QR code and that would get us rebooked. Why couldn't two people standing at their computers do this? We had to chat with someone to get everything figured out. It was extremely confusing.

The plane was delayed by two hours in Chicago which led to us missing the next flight. Lufthansa rebooked the flight and booked us a hotel for the night in Frankfurt. The level of customer service and getting us taken care of was superb. The flight crew and the service on the ground was superb.

It was a short flight, everything was good with it.

Flight was delayed over one hour and I had to pay to select my seat, even though my booking supposedly had free selection (I paid extra for this at time of booking)

Stop charging for alcohol overseas flights and start taking cash again not everyone wants to pay with card if the person is bigger give him seat on the outside seats not the middle in between the people is common sense and mainly if you fly for Lufthansa provides the sam service and experience...

good entertainment package but rather small seats for business class

The male attendant has zero personality. It seemed like he was over worked or hated his job, not once did he smile or made any contact with the people on the plane. Strictly business and call it a day!

Booked Economy but it translated to economy light for Lufthansa so now we are stuck paying an extra $75 per person both ways for our checked bags. If I had known that, I would have never booked these tickets because it came out to be more than other options. The booking in the kayak side clearly says Economy and has a link to the inormation for Lufthansa which states Economy included a checked bag. Super annoyed about that.

The flight from Dulles to Munich was just okay. The seats were comfortable and extra foot room was noticeable in comfort plus. Disappointed in the booking in so much I requested an aisle seat and then was assigned a middle seat. The food was inedible. Movie choices were moderate. I usually fly Delta, but this WA flight was cheaper. Next time, I'll happily pay the extra to fly Delta.

Flight was late arriving. So, we left 25 min late. Pilot made some time up during the flight. Therefore, we arrived alittle past original time.

Everything you need to know for your flight from Chicago to Estonia

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