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$285+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 12, 2025.

Round-trip from

$404
(Booking.com)

One-way from

$355
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$837
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 ($192 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 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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.
Mon 11/107:20 pmORD - TLL
1 stop11h 50mScandinavian Airlines
Mon 11/243:40 pmTLL - ORD
2 stops57h 05mScandinavian Airlines
Deal found 6/10$404
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:00 pmORD - TLL
1 stop13h 15mLufthansa
Wed 12/32:00 pmTLL - ORD
1 stop14h 05mLufthansa
Deal found 6/9$498
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 11/1811:20 amORD - TLL
2 stops17h 55mUnited Airlines
Wed 12/36:15 amTLL - ORD
1 stop14h 55mUnited Airlines
Deal found 6/9$499
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:20 amORD - TLL
2 stops21h 30mAir Canada
Wed 12/36:40 amTLL - ORD
2 stops16h 05mAir Canada
Deal found 6/9$515
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:00 pmORD - TLL
2 stops15h 55mMultiple Airlines
Tue 9/96:50 pmTLL - ORD
1 stop33h 05mMultiple Airlines
Deal found 6/12$540
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:20 pmORD - TLL
1 stop27h 10mSWISS
Mon 8/256:00 amTLL - ORD
1 stop17h 55mSWISS
Deal found 6/10$630
This oojo deal was found by Cheapflights users on 6/10. 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.
Thu 8/219:40 pmORD - TLL
1 stop32h 00mLOT
Sun 8/248:55 amTLL - ORD
1 stop14h 15mLOT
Deal found 6/10$682
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/277:50 pmORD - TAY
2 stops34h 35mTurkish Airlines
Sun 8/32:55 pmTAY - ORD
2 stops26h 45mTurkish Airlines
Deal found 6/11$1,189
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/2710:30 pmORD - TAY
2 stops31h 55mMultiple Airlines
Sun 8/32:55 pmTAY - ORD
1 stop10h 55mMultiple Airlines
Deal found 6/11$1,253
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Fri 7/254:55 pmORD - TAY
2 stops37h 35mFinnair
Fri 8/14:25 pmTAY - ORD
1 stop33h 00mFinnair
Deal found 6/10$1,434

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 12, 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

Mon 11/10

7:20 pm-3:10 pm

1 stop11h 50m

Tallinn

Mon 11/24

3:40 pm-4:45 pm

2 stops57h 05m

$404

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 11/18

4:00 pm-1:15 pm

1 stop13h 15m

Tallinn

Wed 12/3

2:00 pm-8:05 pm

1 stop14h 05m

$498

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 11/18

11:20 am-1:15 pm

2 stops17h 55m

Tallinn

Wed 12/3

6:15 am-1:10 pm

1 stop14h 55m

$499

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 11/16

7:20 am-12:50 pm

2 stops21h 30m

Tallinn

Wed 12/3

6:40 am-2:45 pm

2 stops16h 05m

$515

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/3

2:00 pm-1:55 pm

2 stops15h 55m

Tallinn

Tue 9/9

6:50 pm-7:55 pm

1 stop33h 05m

$540

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 8/15

2:20 pm-1:30 am

1 stop27h 10m

Tallinn

Mon 8/25

6:00 am-3:55 pm

1 stop17h 55m

$630

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 8/21

9:40 pm-1:40 pm

1 stop32h 00m

Tallinn

Sun 8/24

8:55 am-3:10 pm

1 stop14h 15m

$682

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 7/27

7:50 pm-2:25 pm

2 stops34h 35m

Tartu

Sun 8/3

2:55 pm-9:40 am

2 stops26h 45m

$1,189

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Sun 7/27

10:30 pm-2:25 pm

2 stops31h 55m

Tartu

Sun 8/3

2:55 pm-5:50 pm

1 stop10h 55m

$1,253

ChicagoTartu

ORD - TAY

ORDTAY

Chicago O'Hare Intl

Fri 7/25

4:55 pm-2:30 pm

2 stops37h 35m

Tartu

Fri 8/1

4:25 pm-5:25 pm

1 stop33h 00m

$1,434

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, 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 $988). 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 12, 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 June 12, 2025.
Peruse reviews from past customers who have flown with LOT, Finnair and SWISS from Chicago to Estonia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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
1,077 reviews
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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
1,290 reviews
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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.
SWISS
7.5
Good
1,623 reviews
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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
8,790 reviews
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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
3,848 reviews
LOT
7.6
Good
1,077 reviews

Food

7.2

Boarding

7.6

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.2

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 $382. SWISS flights start at $401 while deals on Air Canada start at $425 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 $988). 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 Lisbon 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$781FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$539Average$744FlexibilityNo cancel feeOn-time76%

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