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Tallinn

$333+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TLL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$505
(oojo)

One-way from

$333
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$919
From Chicago O'Hare Intl to Tallinn
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One-way flight from Chicago O'Hare Intl to Tallinn
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Highest demand for flights based on searches. 25% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This oojo deal was found by Cheapflights users on 7/27. 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.
Sun 11/27:20 pmORD - TLL
2 stops20h 20mScandinavian Airlines
Tue 12/23:40 pmTLL - ORD
2 stops33h 05mScandinavian Airlines
Deal found 7/27$425
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 9/710:40 amORD - TLL
2 stops18h 25mMultiple Airlines
Tue 9/236:00 amTLL - ORD
1 stop14h 55mMultiple Airlines
Deal found 7/29$515
This Lufthansa deal was found by Cheapflights users on 7/27. 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.
Sun 8/249:40 pmORD - TLL
1 stop12h 45mLufthansa
Fri 9/126:00 amTLL - ORD
1 stop21h 55mLufthansa
Deal found 7/27$527
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:40 amORD - TLL
2 stops19h 15mUnited Airlines
Tue 9/22:35 pmTLL - ORD
1 stop13h 20mUnited Airlines
Deal found 7/28$532
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Wed 9/1711:45 pmORD - TLL
1 stop27h 55mTurkish Airlines
Tue 9/237:35 pmTLL - ORD
1 stop34h 25mTurkish Airlines
Deal found 7/27$548
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Tue 8/263:35 pmORD - TLL
2 stops20h 20mAir Canada
Wed 9/107:30 amTLL - ORD
2 stops20h 41mAir Canada
Deal found 7/27$555

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 July 29, 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

Thu 10/9

7:15 pm-11:40 pm

2 stops20h 25m

Tallinn

Sat 10/18

6:25 am-4:10 pm

2 stops17h 45m

$505

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/3

7:05 pm-1:35 am

1 stop22h 30m

Tallinn

Wed 9/10

2:45 pm-7:55 pm

1 stop13h 10m

$525

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 8/24

9:40 pm-6:25 pm

1 stop12h 45m

Tallinn

Thu 9/11

6:00 am-7:55 pm

1 stop21h 55m

$527

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 8/26

10:40 am-1:55 pm

2 stops19h 15m

Tallinn

Tue 9/2

2:35 pm-7:55 pm

1 stop13h 20m

$532

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/17

11:45 pm-11:40 am

1 stop27h 55m

Tallinn

Tue 9/23

7:35 pm-10:00 pm

1 stop34h 25m

$548

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 8/26

3:35 pm-7:55 pm

2 stops20h 20m

Tallinn

Wed 9/10

7:30 am-8:11 pm

2 stops20h 41m

$555

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/1

7:25 pm-9:05 am

2 stops29h 40m

$333

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 9/1

11:25 am-6:40 pm

1 stop23h 15m

$397

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 8/31

7:05 pm-1:35 am

1 stop22h 30m

$445

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 9/11

3:35 pm-7:55 pm

2 stops20h 20m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

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 $968). 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 July 29, 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.

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 July 29, 2025.
See what other customers who have flown with SWISS, United Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Tallinn have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.5
Good
1,683 reviews
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
United Airlines
7.4
Good
8,899 reviews
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Turkish Airlines
7.3
Good
3,925 reviews
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Scandinavian Airlines
7.3
Good
1,449 reviews
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Air Canada
7.1
Good
9,822 reviews
SWISS
7.5
Good
1,683 reviews

Food

7.1

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

6.8

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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 Tallinn, which is the city’s only airport. Tallinn (TLL) is located 2.1 mi from the center of Tallinn. There are 0 flights from Chicago O'Hare Intl to Tallinn per day from 4 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 $505. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $527 and $532, 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 Turkish Airlines ($397), SWISS ($445), and Air Canada ($487).

  • 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 $968). 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 4 airlines flying from O'Hare Intl to Tallinn

Discover the top 4 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$414Average$460FlexibilityNo cancel feeOn-time77%
FinnairCheapest$507Average$732FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$528Average$680FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$535Average$594FlexibilityNo cancel feeOn-time76%

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