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$439+ Cheap flights from Chicago (CHI) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — TLL
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Chicago to Estonia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Estonia (EE0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$462
(oojo)

One-way from

$439
(SWISS)
From Chicago (CHI) to Estonia
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One-way flight from Chicago (CHI) to Estonia
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Find flight deals from Chicago to Estonia

Cheapest flights from Chicago to Estonia
Explore the most affordable flight options available from Chicago to Estonia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This oojo deal was found by Cheapflights users on 1/19. 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.
mar. 4/157:15 pmORD - TLL
1 stop22h 10mScandinavian Airlines
mié. 4/233:45 pmTLL - ORD
1 stop32h 25mScandinavian Airlines
Deal found 1/19$462
This Finnair deal was found by Cheapflights users on 1/21. 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.
lun. 4/149:30 pmORD - TLL
1 stop10h 40mFinnair
mar. 4/2212:55 pmTLL - ORD
1 stop12h 55mFinnair
Deal found 1/21$496
This American Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 3/1210:15 amORD - TLL
2 stops21h 55mAmerican Airlines
jue. 3/206:00 amTLL - ORD
2 stops22h 06mAmerican Airlines
Deal found 1/20$511
This British Airways deal was found by Cheapflights users on 1/21. 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.
lun. 4/149:30 pmORD - TLL
1 stop19h 25mBritish Airways
mar. 4/226:00 amTLL - ORD
2 stops25h 50mBritish Airways
Deal found 1/21$518
This Gotogate deal was found by Cheapflights users on 1/20. 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.
mié. 3/128:05 pmORD - TLL
1 stop22h 00mMultiple Airlines
jue. 3/207:35 amTLL - ORD
2 stops19h 02mMultiple Airlines
Deal found 1/20$519
This SWISS deal was found by Cheapflights users on 1/20. 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.
mié. 3/57:05 pmORD - TLL
1 stop22h 00mSWISS
mié. 3/122:20 pmTLL - ORD
1 stop33h 55mSWISS
Deal found 1/20$532
This Lufthansa deal was found by Cheapflights users on 1/21. 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.
mié. 3/2611:35 pmORD - TLL
1 stop17h 20mLufthansa
mié. 4/22:45 pmTLL - ORD
1 stop13h 10mLufthansa
Deal found 1/21$542
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mar. 3/47:20 amORD - TLL
2 stops25h 55mUnited Airlines
lun. 3/101:45 pmTLL - ORD
2 stops36h 52mUnited Airlines
Deal found 1/20$550
This oojo deal was found by Cheapflights users on 1/20. 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.
mar. 3/49:55 pmORD - TLL
1 stop31h 30mLOT
lun. 3/106:20 pmTLL - ORD
1 stop33h 40mLOT
Deal found 1/20$551
This Ticket deal was found by Cheapflights users on 1/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/74:25 pmORD - TLL
1 stop13h 05mKLM
vie. 3/147:35 amTLL - ORD
1 stop14h 55mKLM
Deal found 1/20$704

Find flights from Chicago to Estonia within your budget

Customize your flight search to find flights from Chicago 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 enero 21, 2025.

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Fly to

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Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mar. 4/15

7:15 pm-1:25 am

1 stop22h 10m

Tallinn Ulemiste

mié. 4/23

3:45 pm-4:10 pm

1 stop32h 25m

$462

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

lun. 4/14

9:30 pm-4:10 pm

1 stop10h 40m

Tallinn Ulemiste

mar. 4/22

12:55 pm-5:50 pm

1 stop12h 55m

$496

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 3/12

10:15 am-3:10 pm

2 stops21h 55m

Tallinn Ulemiste

jue. 3/20

6:00 am-9:06 pm

2 stops22h 06m

$511

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

lun. 4/14

9:30 pm-12:55 am

1 stop19h 25m

Tallinn Ulemiste

mar. 4/22

6:00 am-11:50 pm

2 stops25h 50m

$518

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 3/12

8:05 pm-1:05 am

1 stop22h 00m

Tallinn Ulemiste

jue. 3/20

7:35 am-7:37 pm

2 stops19h 02m

$519

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 3/5

7:05 pm-1:05 am

1 stop22h 00m

Tallinn Ulemiste

mié. 3/12

2:20 pm-5:15 pm

1 stop33h 55m

$532

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 3/26

11:35 pm-11:55 pm

1 stop17h 20m

Tallinn Ulemiste

mié. 4/2

2:45 pm-7:55 pm

1 stop13h 10m

$542

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mar. 3/4

7:20 am-5:15 pm

2 stops25h 55m

Tallinn Ulemiste

lun. 3/10

1:45 pm-7:37 pm

2 stops36h 52m

$550

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mar. 3/4

9:55 pm-1:25 pm

1 stop31h 30m

Tallinn Ulemiste

lun. 3/10

6:20 pm-9:00 pm

1 stop33h 40m

$551

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 3/7

4:25 pm-1:30 pm

1 stop13h 05m

Tallinn Ulemiste

vie. 3/14

7:35 am-3:30 pm

1 stop14h 55m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
1
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Best time to book a flight from Chicago to Estonia

Have a flexible travel schedule? Discover the best time to fly to Estonia from Chicago 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.

Travel insights for flights from Chicago to Estonia

Get recent, data-driven insights about flights from Chicago to Estonia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Chicago to Estonia?

Currently, November is the cheapest month in which you can book a flight from Chicago to Estonia (average of $550). Flying from Chicago to Estonia in June is currently the most expensive (average of $1,100). 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 CHI to EE?

Find hourly flight availability from Chicago 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 enero 21, 2025.

When flying from Chicago 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 enero 21, 2025.
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT
7.6
Good
1,117 reviews
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Finnair
7.6
Good
1,286 reviews
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,600 reviews
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,985 reviews
KLM
7.8
Good
1,341 reviews

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

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

  • Can I find deals for flights from Chicago to Estonia that include hotel bookings?

    Yes. In addition to deals on Chicago to Estonia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Estonia?

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

  • Can I find deals for business class flights from Chicago to Estonia?

    Yes. Cheapflights offers flight deals from Chicago 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 to Estonia?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Estonia (average of $550). Flying from Chicago to Estonia in June is currently the most expensive (average of $1,100). 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 Chicago to Estonia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Chicago to Estonia

Discover the top 5 airlines that operate flights from Chicago 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$428Average$460FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$765FlexibilityNo cancel feeOn-time69%
FinnairCheapest$532Average$656FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$568Average$811FlexibilityNo cancel feeOn-time76%
LOTCheapest$722Average$1,111FlexibilityNo cancel feeOn-time81%
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