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Tallinn

$357+ Cheap flights from O'Hare Intl (ORD) to Tallinn (TLL)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 66 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 March 26, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
1 star

Round-trip from

$459
(FlightHub)

One-way from

$365
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$565
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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One-way flight from Chicago O'Hare Intl to Tallinn Ulemiste
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Highest demand for flights based on searches. 25% potential increase in price ($259 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This oojo deal was found by Cheapflights users on 3/25. 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.
Mon 9/17:15 pmORD - TLL
1 stop11h 55mScandinavian Airlines
Sat 9/136:25 amTLL - ORD
2 stops41h 45mScandinavian Airlines
Deal found 3/25$487
This Finnair deal was found by Cheapflights users on 3/24. 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.
Tue 4/159:30 pmORD - TLL
1 stop14h 15mFinnair
Wed 4/232:55 pmTLL - ORD
1 stop10h 55mFinnair
Deal found 3/24$544
This British Airways deal was found by Cheapflights users on 3/24. 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.
Tue 4/159:30 pmORD - TLL
1 stop19h 25mBritish Airways
Wed 4/236:00 amTLL - ORD
2 stops25h 49mBritish Airways
Deal found 3/24$574
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/239:30 pmORD - TLL
1 stop10h 40mMultiple Airlines
Tue 4/2910:20 pmTLL - ORD
1 stop27h 30mMultiple Airlines
Deal found 3/25$579
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 5/88:40 amORD - TLL
2 stops21h 05mUnited Airlines
Thu 5/156:00 amTLL - ORD
2 stops22h 12mUnited Airlines
Deal found 3/24$604
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 3/264:27 pmORD - TLL
2 stops14h 48mAmerican Airlines
Wed 4/26:00 amTLL - ORD
2 stops20h 15mAmerican Airlines
Deal found 3/25$643
This Lufthansa deal was found by Cheapflights users on 3/25. 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.
Wed 3/264:55 pmORD - TLL
1 stop16h 50mLufthansa
Wed 4/22:45 pmTLL - ORD
1 stop13h 10mLufthansa
Deal found 3/25$651
This StudentUniverse deal was found by Cheapflights users on 3/24. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:35 pmORD - TLL
2 stops40h 30mEmirates
Sun 8/179:25 pmTLL - ORD
3 stops33h 47mEmirates
Deal found 3/24$2,070
This oojo deal was found by Cheapflights users on 3/24. 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 10/811:25 amORD - TLL
1 stop23h 15mTurkish Airlines
Wed 10/1512:35 pmTLL - ORD
1 stop29h 05mTurkish Airlines
Deal found 3/24$3,439

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 March 26, 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

Mon 9/1

7:15 pm-3:10 pm

1 stop11h 55m

Tallinn Ulemiste

Sat 9/13

6:25 am-4:10 pm

2 stops41h 45m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 4/15

9:30 pm-7:45 pm

1 stop14h 15m

Tallinn Ulemiste

Wed 4/23

2:55 pm-5:50 pm

1 stop10h 55m

$544

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 4/15

9:30 pm-12:55 am

1 stop19h 25m

Tallinn Ulemiste

Wed 4/23

6:00 am-11:49 pm

2 stops25h 49m

$574

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 4/23

9:30 pm-4:10 pm

1 stop10h 40m

Tallinn Ulemiste

Tue 4/29

10:20 pm-5:50 pm

1 stop27h 30m

$579

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 5/8

10:30 pm-12:10 am

1 stop17h 40m

Tallinn Ulemiste

Thu 5/15

6:00 am-8:12 pm

2 stops22h 12m

$604

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 6/2

4:44 pm-4:10 pm

2 stops15h 26m

Tallinn Ulemiste

Tue 6/10

6:55 am-5:50 pm

1 stop18h 55m

$684

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 7/31

8:35 pm-9:05 pm

2 stops40h 30m

Tallinn Ulemiste

Sun 8/17

9:25 pm-11:12 pm

3 stops33h 47m

$2,070

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 5/14

9:08 pm-2:25 pm

3 stops57h 17m

$357

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sat 5/3

6:35 pm-3:10 pm

2 stops36h 35m

$409

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 5/14

9:30 pm-4:55 pm

1 stop11h 25m

$436

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 14 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 March 21, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Tallinn is 63 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 $1,054). 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 March 26, 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 March 26, 2025.
Read through reviews of airlines operating flights from Chicago to Tallinn, such as Delta, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,061 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,891 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Scandinavian Airlines is currently your cheapest option to Tallinn, with prices starting at $459. Additional round-trip tickets that might be worth considering are offered by Finnair and British Airways, with the lowest prices starting at $544 and $553, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Tallinn for 38% less than the average price by searching for these airlines.

  • 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 $1,054). 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 Tallinn

See prices for flight routes from nearby airports that may be better suited for you.
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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$532Average$777FlexibilityNo cancel feeOn-time76%
LOTCheapest$539Average$1,104FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$558Average$818FlexibilityNo cancel feeOn-time76%
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