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Tallinn

$533+ Cheap flights from O'Hare Intl (ORD) to Tallinn (TLL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
abr. 21 — abr. 281
lun. 4/21
lun. 4/28
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Tallinn Ulemiste are usually found in December or March, booked 44 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from O'Hare Intl to Tallinn

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Tallinn (TLL). 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 abril 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$533
(Finnair)

Popular in

June

Cheapest in

December

Average price

$633
Provider with most accurate pricing for Chicago O'Hare Intl-Tallinn Ulemiste flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Tallinn Ulemiste flights.
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From Chicago O'Hare Intl to Tallinn Ulemiste
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Highest demand for flights based on searches. 23% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Tallinn

Cheapest flights from O'Hare Intl to Tallinn
Explore the most affordable flight options available from O'Hare Intl to Tallinn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 16, 2025.

This Finnair deal was found by Cheapflights users on 4/15. 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.
mié. 5/78:30 pmORD - TLL
2 stops15h 05mFinnair
mié. 5/1411:35 amTLL - ORD
1 stop14h 15mFinnair
Deal found 4/15$533
This oojo deal was found by Cheapflights users on 4/16. 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.
mié. 9/35:45 pmORD - TLL
2 stops20h 10mBritish Airways
mié. 9/1010:00 amTLL - ORD
2 stops21h 46mBritish Airways
Deal found 4/16$548
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/37:00 amORD - TLL
2 stops34h 25mScandinavian Airlines
mié. 9/103:45 pmTLL - ORD
1 stop32h 25mScandinavian Airlines
Deal found 4/16$551
This Lufthansa deal was found by Cheapflights users on 4/15. 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. 9/37:05 pmORD - TLL
1 stop22h 25mMultiple Airlines
mié. 9/102:45 pmTLL - ORD
1 stop13h 10mMultiple Airlines
Deal found 4/15$581
This FlightHub deal was found by Cheapflights users on 4/16. 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.
mié. 9/34:00 pmORD - TLL
1 stop13h 55mLufthansa
mié. 9/106:00 amTLL - ORD
1 stop14h 55mLufthansa
Deal found 4/16$582
This United Airlines deal was found by Cheapflights users on 4/15. 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.
mié. 9/310:40 amORD - TLL
2 stops19h 15mUnited Airlines
mié. 9/102:45 pmTLL - ORD
1 stop13h 10mUnited Airlines
Deal found 4/15$587
This American Airlines deal was found by Cheapflights users on 4/15. 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.
jue. 4/245:45 pmORD - TLL
2 stops14h 20mAmerican Airlines
vie. 5/22:55 pmTLL - ORD
2 stops16h 54mAmerican Airlines
Deal found 4/15$637
This Flightnetwork deal was found by Cheapflights users on 4/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/302:20 pmORD - TLL
1 stop27h 10mSWISS
vie. 6/66:00 amTLL - ORD
1 stop17h 55mSWISS
Deal found 4/15$707
This oojo deal was found by Cheapflights users on 4/15. 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. 4/2911:25 amORD - TLL
1 stop16h 15mTurkish Airlines
vie. 5/212:35 pmTLL - ORD
1 stop29h 05mTurkish Airlines
Deal found 4/15$964
This Air Canada deal was found by Cheapflights users on 4/15. 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.
sáb. 7/59:14 pmORD - TLL
2 stops38h 41mAir Canada
sáb. 8/27:30 amTLL - ORD
2 stops39h 21mAir Canada
Deal found 4/15$1,152

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Tallinn 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 abril 16, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Tallinn that are best for you.

Fly from

O'Hare Intl

Fly to

Tallinn

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 5/7

8:30 pm-7:35 pm

2 stops15h 05m

Tallinn Ulemiste

mié. 5/14

11:35 am-5:50 pm

1 stop14h 15m

$533

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 9/3

5:45 pm-9:55 pm

2 stops20h 10m

Tallinn Ulemiste

mié. 9/10

10:00 am-11:46 pm

2 stops21h 46m

$548

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 9/3

7:00 am-1:25 am

2 stops34h 25m

Tallinn Ulemiste

mié. 9/10

3:45 pm-4:10 pm

1 stop32h 25m

$551

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 9/3

7:05 pm-1:30 am

1 stop22h 25m

Tallinn Ulemiste

mié. 9/10

2:45 pm-7:55 pm

1 stop13h 10m

$581

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 9/3

4:00 pm-1:55 pm

1 stop13h 55m

Tallinn Ulemiste

mié. 9/10

6:00 am-12:55 pm

1 stop14h 55m

$582

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mié. 9/3

10:40 am-1:55 pm

2 stops19h 15m

Tallinn Ulemiste

mié. 9/10

2:45 pm-7:55 pm

1 stop13h 10m

$587

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

vie. 5/30

2:20 pm-1:30 am

1 stop27h 10m

Tallinn Ulemiste

vie. 6/6

6:00 am-3:55 pm

1 stop17h 55m

$707

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

mar. 4/29

11:25 am-11:40 am

1 stop16h 15m

Tallinn Ulemiste

vie. 5/2

12:35 pm-9:40 am

1 stop29h 05m

$964

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

sáb. 7/5

9:14 pm-7:55 pm

2 stops38h 41m

Tallinn Ulemiste

sáb. 8/2

7:30 am-2:51 pm

2 stops39h 21m

$1,152

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

dom. 6/1

2:20 pm-1:30 am

1 stop27h 10m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Tallinn flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago O'Hare Intl Airport-Tallinn flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Tallinn flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Tallinn flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Tallinn flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Tallinn 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 Tallinn

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Tallinn?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Tallinn. Price data was last updated on April 11, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Tallinn is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Tallinn (average of $550). Flying from Chicago O'Hare Intl Airport to Tallinn 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 TLL?

Find hourly flight availability from O'Hare Intl to Tallinn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Chicago O'Hare Intl Airport to Tallinn by exploring options for tickets in the evening.

Rainfall in Tallinn by month

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

In terms of precipitation, rainfall in Tallinn 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 Tallinn when rainfall is around 1.3 in.

Temperature in Tallinn by month

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

If weather is an important factor for your trip to Tallinn, 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 Tallinn

Get insights into the airlines that provide service to Tallinn. 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 Tallinn. Reviews last updated abril 16, 2025.
Read through reviews of airlines operating flights from Chicago to Tallinn, such as Finnair, SWISS and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,269 reviews
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
SWISS
7.5
Good
1,580 reviews
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
United Airlines
7.4
Good
8,665 reviews
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Turkish Airlines
7.3
Good
3,767 reviews
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Scandinavian Airlines
7.3
Good
1,335 reviews
Finnair
7.6
Good
1,269 reviews

Comfort

7.4

Overall

7.6

Boarding

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

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

  • What airport do you fly into for flights to Tallinn from Chicago O'Hare Intl?

    If you book a flight to Tallinn from Chicago O'Hare Intl, you will be flying to Ulemiste, which is the city’s only airport. Tallinn Ulemiste (TLL) is located 2.1 mi from the center of Tallinn. There are 0 flights from Chicago O'Hare Intl to Ulemiste per day from 5 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Tallinn round-trip?

    Flying on Finnair is currently your cheapest option to Tallinn, with prices starting at $533. Additional round-trip tickets that might be worth considering are offered by British Airways and Scandinavian Airlines, with the lowest prices starting at $548 and $551, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Tallinn for 27% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Tallinn are SWISS ($594), Scandinavian Airlines ($603), and United Airlines ($635).

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

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

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

    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 Tallinn.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Tallinn 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 Tallinn?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Tallinn (average of $550). Flying from Chicago O'Hare Intl Airport to Tallinn 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.

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Alternative routes for O'Hare Intl to Tallinn

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O'Hare Intl to Tartu flights

Top 5 airlines flying from O'Hare Intl to Tallinn

Discover the top 5 airlines that operate flights from O'Hare Intl to Tallinn. 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 abril 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$532Average$763FlexibilityNo cancel feeOn-time76%
LOTCheapest$539Average$1,104FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$539Average$643FlexibilityNo cancel feeOn-time76%

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