HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Estonia

$448+ Cheap flights from O'Hare Intl (ORD) to Estonia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Estonia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Estonia

Keep the following information in mind while searching for O'Hare Intl to Estonia flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(British Airways)

One-way from

$448
(oojo)

Popular in

July

Cheapest in

March

Average price

$580
Provider with most accurate pricing for Chicago (CHI)-Tallinn Ulemiste flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Tallinn Ulemiste flights.
Search Deals
From Chicago O'Hare Intl to Estonia
Search Deals
One-way flight from Chicago O'Hare Intl to Estonia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from O'Hare Intl to Estonia

Cheapest flights from O'Hare Intl to Estonia
Explore the most affordable flight options available from O'Hare Intl to Estonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Booking.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:15 pmORD - TLL
1 stop11h 55mScandinavian Airlines
Tue 9/98:00 pmTLL - ORD
2 stops52h 10mScandinavian Airlines
Deal found 3/31$459
This British Airways deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:30 pmORD - TLL
1 stop16h 25mBritish Airways
Tue 4/296:00 amTLL - ORD
1 stop19h 50mBritish Airways
Deal found 4/1$535
This Finnair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:10 pmORD - TLL
2 stops15h 00mFinnair
Tue 4/2910:55 amTLL - ORD
2 stops16h 27mFinnair
Deal found 4/1$578
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:10 pmORD - TLL
2 stops15h 00mMultiple Airlines
Tue 4/2910:20 pmTLL - ORD
1 stop27h 30mMultiple Airlines
Deal found 3/31$608
This United deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:39 amORD - TLL
2 stops19h 16mUnited Airlines
Wed 9/106:00 amTLL - ORD
3 stops25h 42mUnited Airlines
Deal found 3/31$631
This Gotogate deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:40 amORD - TLL
2 stops25h 15mAir Canada
Thu 5/227:30 amTLL - ORD
2 stops20h 42mAir Canada
Deal found 3/31$648
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:44 pmORD - TLL
2 stops14h 56mAmerican Airlines
Fri 5/236:55 amTLL - ORD
2 stops20h 45mAmerican Airlines
Deal found 3/31$677
This Lufthansa deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:15 pmORD - TLL
2 stops31h 45mLufthansa
Tue 1/66:05 pmTLL - ORD
1 stop34h 00mLufthansa
Deal found 3/31$684
This KLM deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/44:20 pmORD - TLL
1 stop12h 55mKLM
Tue 6/177:30 amTLL - ORD
1 stop14h 40mKLM
Deal found 3/31$718
This oojo deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:40 pmORD - TLL
1 stop12h 05mLOT
Mon 4/72:20 pmTLL - ORD
1 stop13h 20mLOT
Deal found 4/1$928
This oojo deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/411:25 amORD - TLL
1 stop16h 15mTurkish Airlines
Thu 5/87:35 pmTLL - ORD
1 stop30h 20mTurkish Airlines
Deal found 4/1$931

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Estonia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Estonia that are best for you.

Fly from

O'Hare Intl

Fly to

Estonia

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/2

7:15 pm-3:10 pm

1 stop11h 55m

Tallinn Ulemiste

Tue 9/9

8:00 pm-4:10 pm

2 stops52h 10m

$459

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 4/23

9:30 pm-9:55 pm

1 stop16h 25m

Tallinn Ulemiste

Tue 4/29

6:00 am-5:50 pm

1 stop19h 50m

$535

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 4/23

5:10 pm-4:10 pm

2 stops15h 00m

Tallinn Ulemiste

Tue 4/29

10:55 am-7:22 pm

2 stops16h 27m

$578

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 4/23

5:10 pm-4:10 pm

2 stops15h 00m

Tallinn Ulemiste

Tue 4/29

10:20 pm-5:50 pm

1 stop27h 30m

$608

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/3

8:59 am-1:55 pm

2 stops20h 56m

Tallinn Ulemiste

Wed 9/10

6:00 am-11:42 pm

3 stops25h 42m

$631

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 5/16

4:44 pm-3:40 pm

2 stops14h 56m

Tallinn Ulemiste

Fri 5/23

6:55 am-7:40 pm

2 stops20h 45m

$677

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 6/4

4:20 pm-1:15 pm

1 stop12h 55m

Tallinn Ulemiste

Tue 6/17

7:30 am-2:10 pm

1 stop14h 40m

$718

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 6/5

10:30 pm-12:10 am

1 stop17h 40m

Tallinn Ulemiste

Thu 6/19

6:00 am-7:55 pm

1 stop21h 55m

$831

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 6/5

2:00 pm-7:55 pm

2 stops21h 55m

Tallinn Ulemiste

Thu 6/19

7:30 am-9:08 am

2 stops33h 38m

$856

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 5/4

11:25 am-11:40 am

1 stop16h 15m

Tallinn Ulemiste

Thu 5/8

7:35 pm-5:55 pm

1 stop30h 20m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 18 results
1
2

Best time to book a flight from O'Hare Intl to Estonia

Have a flexible travel schedule? Discover the best time to fly to Estonia from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Estonia

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Estonia?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Estonia (average of $550). Flying from Chicago O'Hare Intl Airport to Estonia in June is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to EE?

Find hourly flight availability from O'Hare Intl to Estonia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

When flying from Chicago O'Hare Intl Airport to Estonia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Estonia by month

Plan your trip to Estonia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Estonia ranges from 1.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Estonia when rainfall is around 1.3 in.

Temperature in Estonia by month

Plan your trip to Estonia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Estonia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Estonia

Get insights into the airlines that provide service to Estonia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Estonia. Reviews last updated April 1, 2025.
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,065 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,267 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,572 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,615 reviews
KLM
7.8
Good
1,323 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Estonia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Estonia one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $448. United Airlines flights start at $597 while deals on SWISS start at $613 one-way.

  • Can I find deals for flights from O'Hare Intl to Estonia that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Estonia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Estonia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Estonia.

  • Can I find deals for business class flights from O'Hare Intl to Estonia?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Estonia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Estonia?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Estonia (average of $550). Flying from Chicago O'Hare Intl Airport to Estonia in June is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Estonia

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Athens flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Dublin flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Madrid flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Orly flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Lisbon flights
O'Hare Intl to London City flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Amsterdam flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Malpensa flights
Midway to Heathrow flights
Midway to Charles de Gaulle flights
O'Hare Intl to Krakow flights
O'Hare Intl to Zurich flights
Midway to Athens flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Munich flights
Midway to Dublin flights
O'Hare Intl to Oslo Gardermoen flights
O'Hare Intl to Copenhagen flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Linate flights
O'Hare Intl to Vienna flights
O'Hare Intl to Sabiha Gokcen flights
Midway to Madrid flights
O'Hare Intl to Belgrade flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Stansted flights
Midway to Lisbon flights
Midway to Istanbul flights
O'Hare Intl to Florence flights
O'Hare Intl to Tirana flights
O'Hare Intl to Skopje flights
Midway to Amsterdam flights
Midway to Oslo Gardermoen flights
O'Hare Intl to Prague flights
O'Hare Intl to Luton flights
O'Hare Intl to Berlin flights
Midway to Frankfurt flights
O'Hare Intl to Sarajevo flights
O'Hare Intl to Budapest flights

Top 5 airlines flying from O'Hare Intl to Estonia

Discover the top 5 airlines that operate flights from O'Hare Intl to Estonia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$532Average$777FlexibilityNo cancel feeOn-time76%
LOTCheapest$539Average$1,104FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$558Average$818FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.