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$368+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$425
(oojo)

One-way from

$368
(Flightnetwork)

Popular in

July

Cheapest in

March

Average price

$862
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. 21% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This oojo deal was found by Cheapflights users on 6/28. 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 9/277:15 pmORD - TLL
2 stops31h 25mScandinavian Airlines
Tue 9/307:00 amTLL - ORD
2 stops17h 10mScandinavian Airlines
Deal found 6/28$425
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:30 pmORD - TAY
1 stop19h 15mFinnair
Tue 8/192:50 pmTAY - ORD
2 stops40h 53mFinnair
Deal found 6/28$889
This Turkish Airlines deal was found by Cheapflights users on 6/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:25 amORD - TAY
2 stops29h 20mTurkish Airlines
Tue 8/192:50 pmTAY - ORD
2 stops39h 10mTurkish Airlines
Deal found 6/28$976
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/149:30 pmORD - TAY
1 stop19h 15mMultiple Airlines
Thu 8/216:00 amTAY - ORD
2 stops22h 58mMultiple Airlines
Deal found 6/30$995

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 June 30, 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

Sat 9/27

7:15 pm-10:40 am

2 stops31h 25m

Tallinn

Tue 9/30

7:00 am-4:10 pm

2 stops17h 10m

$425

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Tue 8/12

9:30 pm-12:45 am

1 stop19h 15m

Tartu

Tue 8/19

2:50 pm-11:43 pm

2 stops40h 53m

$889

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Tue 8/12

11:25 am-12:45 am

2 stops29h 20m

Tartu

Tue 8/19

2:50 pm-10:00 pm

2 stops39h 10m

$976

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Thu 8/14

9:30 pm-12:45 am

1 stop19h 15m

Tartu

Thu 8/21

6:00 am-8:58 pm

2 stops22h 58m

$995

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 8/14

7:15 pm-3:10 pm

1 stop11h 55m

$368

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 11/15

3:45 pm-1:00 pm

2 stops37h 15m

$441

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 11/15

4:00 pm-8:15 am

3 stops32h 15m

$447

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 11/15

8:20 pm-6:00 pm

1 stop37h 40m

$462

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Thu 8/14

10:35 pm-12:45 am

2 stops18h 10m

$667

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Thu 8/14

9:30 pm-12:45 am

1 stop19h 15m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $981). 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 June 30, 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.

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 June 30, 2025.
See what other customers who have flown with LOT, Finnair, 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.
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,088 reviews
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Finnair
7.6
Good
1,299 reviews
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
United Airlines
7.4
Good
8,852 reviews
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Turkish Airlines
7.3
Good
3,884 reviews
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Scandinavian Airlines
7.3
Good
1,413 reviews
LOT
7.6
Good
1,088 reviews

Food

7.2

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 $368. United Airlines flights start at $496 while deals on Finnair start at $725 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 $981). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Midway to Heathrow flights
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Midway to Leonardo da Vinci/Fiumicino flights
Midway to Dublin flights
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Midway to Charles de Gaulle flights
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Midway to Athens flights
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Midway to Madrid flights
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Midway to Barcelona-El Prat flights
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Midway to Lisbon flights
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Midway to Keflavik Intl flights
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Midway to Bruxelles-National flights
Midway to Frederic Chopin flights
Midway to Frankfurt flights
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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$745FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$539Average$643FlexibilityNo cancel feeOn-time76%

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