O'Hare Intl

$472+ Cheap flights from Tallinn (TLL) to O'Hare Intl (ORD)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
TLL — ORD
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tallinn to O'Hare Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Tallinn Ulemiste to Chicago O'Hare Intl are usually found in May or April, booked 86 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Tallinn to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Tallinn (TLL) to O'Hare Intl (ORD). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$472
(Finnair)

Popular in

July

Cheapest in

May

Average price

$597
Provider with most accurate pricing for Tallinn Ulemiste-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for Tallinn Ulemiste-Chicago O'Hare Intl flights.
From Tallinn Ulemiste to Chicago O'Hare Intl
Highest demand for flights based on searches. 20% potential increase in price ($166 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Tallinn to O'Hare Intl

Cheapest flights from Tallinn to O'Hare Intl
Explore the most affordable flight options available from Tallinn to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:55 amTLL - ORD
1 stop18h 55mFinnair
Sat 5/109:30 pmORD - TLL
1 stop19h 25mFinnair
Deal found 2/20$472
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 5/16:55 amTLL - ORD
1 stop18h 55mAmerican Airlines
Sat 5/104:55 pmORD - TLL
2 stops15h 10mAmerican Airlines
Deal found 2/20$520
This oojo deal was found by Cheapflights users on 2/20. 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.
Wed 11/55:45 amTLL - ORD
1 stop22h 15mLOT
Wed 11/199:55 pmORD - TLL
1 stop31h 30mLOT
Deal found 2/20$534
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 5/110:00 amTLL - ORD
2 stops19h 15mMultiple Airlines
Sat 5/104:55 pmORD - TLL
2 stops15h 10mMultiple Airlines
Deal found 2/20$545
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 11/56:25 amTLL - ORD
2 stops22h 00mUnited Airlines
Wed 11/193:55 pmORD - TLL
1 stop17h 20mUnited Airlines
Deal found 2/20$618

Find flights from Tallinn to O'Hare Intl within your budget

Customize your flight search to find flights from Tallinn to O'Hare Intl 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 February 20, 2025.

Fly from

Tallinn

Fly to

O'Hare Intl

Route

Depart

Return

Price

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Thu 5/1

6:55 am-5:50 pm

1 stop18h 55m

Chicago O'Hare Intl

Sat 5/10

9:30 pm-12:55 am

1 stop19h 25m

$472

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Thu 5/1

6:55 am-5:50 pm

1 stop18h 55m

Chicago O'Hare Intl

Sat 5/10

4:55 pm-4:05 pm

2 stops15h 10m

$520

TallinnChicago

TLL - ORD

TLLORD

Tallinn Ulemiste

Thu 5/1

10:00 am-9:15 pm

2 stops19h 15m

Chicago O'Hare Intl

Sat 5/10

4:55 pm-4:05 pm

2 stops15h 10m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Tallinn-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tallinn-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tallinn-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tallinn-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Tallinn-Chicago O'Hare Intl Airport 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 Tallinn to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Tallinn 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 Tallinn to O'Hare Intl

Get recent, data-driven insights about flights from Tallinn to O'Hare Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Tallinn to O'Hare Intl. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Tallinn to Chicago O'Hare Intl Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Tallinn to Chicago O'Hare Intl Airport (average of $245). Flying from Tallinn to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 TLL to ORD?

Find hourly flight availability from Tallinn to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s typically best to fly out from Tallinn to Chicago O'Hare Intl Airport in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated February 20, 2025.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20

6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20

6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.4

Reviews

1 / 20

6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Tallinn to O'Hare Intl. 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 from for flights from Tallinn to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Tallinn, you will be flying from 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 Ulemiste to Chicago O'Hare Intl per day from 2 different airlines.

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

    Our cheapest airline available from Tallinn to Chicago O'Hare Intl Airport is Finnair. Our recent data shows that you can find tickets from as low as $472 on this airline. An additional option worth looking into is American Airlines, starting at $520. Finnair is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tallinn to O'Hare Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Tallinn to Chicago O'Hare Intl Airport (average of $245). Flying from Tallinn to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Tallinn?

Book flights to Tallinn if you plan to visit one of these locations
Naperville
Rosemont
Schaumburg
Beloit
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Arlington Heights
Northbrook
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Evanston
Des Plaines
Elgin

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Tallinn to O'Hare Intl

Discover the top 2 airlines that operate flights from Tallinn to O'Hare Intl. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$441Average$674FlexibilityNo cancel feeOn-time76%
LOTCheapest$547Average$691FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.