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$324+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$420
(oojo)

One-way from

$324
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$575
Provider with most accurate pricing for Chicago (CHI)-Tallinn flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Tallinn flights.
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From Chicago O'Hare Intl to Estonia
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One-way flight from Chicago O'Hare Intl to Estonia
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Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 6, 2025.

This SmartFares deal was found by Cheapflights users on 11/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:10 amORD - TLL
2 stops19h 10mScandinavian Airlines
Tue 12/233:45 pmTLL - ORD
1 stop33h 00mScandinavian Airlines
Deal found 11/6$422
This oojo deal was found by Cheapflights users on 11/5. 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.
Wed 11/267:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Wed 12/33:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 11/5$430
This oojo deal was found by Cheapflights users on 11/6. 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 12/67:20 pmORD - TLL
1 stop31h 00mScandinavian Airlines
Sat 12/134:20 pmTLL - ORD
2 stops32h 25mScandinavian Airlines
Deal found 11/6$440
This Scandinavian Airlines deal was found by Cheapflights users on 11/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:10 amORD - TLL
2 stops19h 10mScandinavian Airlines
Tue 12/28:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 11/5$442
This lol.travel deal was found by Cheapflights users on 11/6. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Fri 12/126:25 amTLL - ORD
1 stop18h 20mScandinavian Airlines
Deal found 11/6$444
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:10 amORD - TLL
2 stops19h 10mScandinavian Airlines
Tue 12/23:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 11/5$454
This Scandinavian Airlines deal was found by Cheapflights users on 11/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Tue 12/28:00 pmTLL - ORD
2 stops28h 45mScandinavian Airlines
Deal found 11/6$470
This United Airlines deal was found by Cheapflights users on 11/6. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:00 amORD - TLL
2 stops18h 55mUnited Airlines
Tue 12/236:15 amTLL - ORD
2 stops32h 15mUnited Airlines
Deal found 11/6$500

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 November 6, 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

Fri 2/6

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Sat 2/14

4:20 pm-4:55 pm

2 stops32h 35m

$453

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/2

7:20 pm-1:25 am

1 stop22h 05m

Tallinn

Fri 3/13

11:00 am-5:55 pm

1 stop13h 55m

$468

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/17

3:35 pm-12:50 pm

2 stops14h 15m

Tallinn

Wed 4/8

6:10 am-12:55 pm

1 stop14h 45m

$476

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/23

12:50 pm-5:10 pm

2 stops21h 20m

Tallinn

Fri 4/10

1:50 pm-7:55 pm

1 stop14h 05m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/17

5:20 pm-1:10 pm

1 stop12h 50m

Tallinn

Wed 4/8

6:10 am-12:55 pm

1 stop14h 45m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/16

12:50 pm-5:10 pm

2 stops21h 20m

Tallinn

Thu 4/9

1:50 pm-7:55 pm

1 stop14h 05m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/1

4:20 pm-5:10 pm

1 stop16h 50m

Tallinn

Tue 3/10

6:15 am-2:10 pm

1 stop14h 55m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/1

4:20 pm-5:10 pm

1 stop16h 50m

Tallinn

Fri 3/13

6:05 am-9:05 pm

1 stop22h 00m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 3/23

12:50 pm-5:10 pm

2 stops21h 20m

Tallinn

Wed 4/8

6:10 am-12:55 pm

1 stop14h 45m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/3

10:35 am-1:10 pm

2 stops18h 35m

Tallinn

Thu 3/12

6:20 am-4:20 pm

1 stop17h 00m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 17 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Estonia (average of $423). Flying from Chicago O'Hare Intl Airport to Estonia in July is currently the most expensive (average of $805). 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 November 6, 2025.

When flying from Chicago O'Hare Intl Airport to Estonia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight at noon.

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 November 6, 2025.
See what other customers who have flown with Finnair, Scandinavian Airlines, and United Airlines from Chicago O'Hare Intl Airport to Estonia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Scandinavian Airlines
7.4
Good
1,564 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,007 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,558 reviews
Finnair
7.6
Good
1,335 reviews

Entertainment

6.9

Food

6.7

Comfort

7.4

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Estonia?

    A quick flight from Chicago O'Hare Intl Airport to Estonia can take about 11h 50m. Scandinavian Airlines provides one of the quickest options available for as low as $453. The distance between Chicago O'Hare Intl Airport and Estonia is about 4456 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $370. Air Canada flights start at $403 while deals on Lufthansa start at $413 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Estonia (average of $423). Flying from Chicago O'Hare Intl Airport to Estonia in July is currently the most expensive (average of $805). 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

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Alternative routes for O'Hare Intl to Estonia

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Top 4 airlines flying from O'Hare Intl to Estonia

Discover the top 4 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$424Average$460FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$486Average$725FlexibilityNo cancel feeOn-time76%
FinnairCheapest$513Average$763FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$554Average$680FlexibilityNo cancel feeOn-time69%

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