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Cheap flights from Chicago to Tallinn from $325

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Tallinn departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:30 am - 3:10 pmORD-TLL
23h 40m2 stops
Scandinavian Airlines Logo
8:00 pm - 5:45 pmTLL-ORD
28h 45m2 stops
$404Scandinavian Airlines
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Thu, Feb 19 - Tue, Mar 10
Scandinavian Airlines Logo
7:20 pm - 10:20 amORD-TLL
31h 00m1 stop
Scandinavian Airlines Logo
8:00 pm - 4:45 pmTLL-ORD
28h 45m2 stops
$421Scandinavian Airlines
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Thu, Nov 27 - Thu, Dec 4
Lufthansa Logo
10:35 pm - 11:50 pmORD-TLL
17h 15m1 stop
Lufthansa Logo
1:55 pm - 8:05 pmTLL-ORD
14h 10m1 stop
$441Lufthansa
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Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
8:00 am - 8:05 pmORD-TLL
28h 05m2 stops
Multiple Airlines Logo
6:00 am - 1:10 pmTLL-ORD
15h 10m1 stop
$457Multiple Airlines
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Wed, Nov 26 - Wed, Dec 3
LOT Logo
9:55 pm - 1:45 amORD-TLL
19h 50m1 stop
LOT Logo
6:30 pm - 8:00 pmTLL-ORD
33h 30m1 stop
$465LOT
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Mon, Dec 8 - Mon, Dec 15
Lufthansa Logo
10:35 pm - 11:40 pmORD-TLL
17h 05m1 stop
Lufthansa Logo
6:05 am - 1:10 pmTLL-ORD
15h 05m1 stop
$466Lufthansa
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Fri, Nov 28 - Fri, Dec 5
LOT Logo
9:55 pm - 1:45 amORD-TLL
19h 50m1 stop
LOT Logo
6:30 pm - 4:20 pmTLL-ORD
29h 50m1 stop
$475LOT
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Mon, Dec 8 - Wed, Dec 17
United Airlines Logo
12:50 pm - 5:10 pmORD-TLL
20h 20m2 stops
United Airlines Logo
6:00 am - 8:10 pmTLL-ORD
22h 10m2 stops
$487United Airlines
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Sun, Dec 7 - Wed, Dec 17
United Airlines Logo
4:20 pm - 1:10 pmORD-TLL
12h 50m1 stop
United Airlines Logo
6:05 am - 4:20 pmTLL-ORD
17h 15m1 stop
$488United Airlines
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Tue, Feb 17 - Fri, Mar 13
Multiple Airlines Logo
12:50 pm - 12:50 pmORD-TLL
16h 00m2 stops
Multiple Airlines Logo
1:40 pm - 8:05 pmTLL-ORD
14h 25m1 stop
$501Multiple Airlines
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Sun, Dec 7 - Mon, Dec 15

Scandinavian Airlines flights from Chicago to Tallinn

Our best Scandinavian Airlines deals on Chicago to Tallinn flight tickets
Scandinavian Airlines
Feb 19
ORD7:30 amChicago O'Hare Intl
23h 40m
2 stops
TLL3:10 pmTallinn
Mar 10
TLL8:00 pmTallinn
28h 45m
2 stops
ORD5:45 pmChicago O'Hare Intl
$404
Find similar
Scandinavian Airlines
Nov 27
ORD7:20 pmChicago O'Hare Intl
31h 00m
1 stop
TLL10:20 amTallinn
Dec 4
TLL8:00 pmTallinn
28h 45m
2 stops
ORD4:45 pmChicago O'Hare Intl
$421
Find similar
Scandinavian Airlines
Feb 18
ORD7:20 pmChicago O'Hare Intl
22h 05m
1 stop
TLL1:25 amTallinn
Mar 11
TLL11:00 amTallinn
13h 45m
1 stop
ORD5:45 pmChicago O'Hare Intl
$426
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Air Canada flights from Chicago to Tallinn

Our best Air Canada deals on Chicago to Tallinn flight tickets
Air Canada
Feb 16
ORD3:55 pmChicago O'Hare Intl
20h 10m
2 stops
TLL8:05 pmTallinn
Mar 11
TLL6:40 amTallinn
35h 38m
2 stops
ORD11:18 amChicago O'Hare Intl
$486
Find similar
Air Canada
Feb 18
ORD3:55 pmChicago O'Hare Intl
20h 10m
2 stops
TLL8:05 pmTallinn
Mar 10
TLL7:25 amTallinn
17h 23m
2 stops
ORD5:48 pmChicago O'Hare Intl
$493
Find similar
Air Canada
Dec 7
ORD12:50 pmChicago O'Hare Intl
16h 00m
2 stops
TLL12:50 pmTallinn
Dec 15
TLL7:25 amTallinn
20h 05m
2 stops
ORD7:30 pmChicago O'Hare Intl
$511
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momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Chicago to Tallinn that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 2/19

7:30 am-3:10 pm

2 stops23h 40m

Tallinn

Tue 3/10

8:00 pm-5:45 pm

2 stops28h 45m

$404

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 11/27

7:20 pm-10:20 am

1 stop31h 00m

Tallinn

Thu 12/4

8:00 pm-4:45 pm

2 stops28h 45m

$421

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 11/26

10:35 pm-11:50 pm

1 stop17h 15m

Tallinn

Wed 12/3

1:55 pm-8:05 pm

1 stop14h 10m

$441

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 11/26

8:00 am-8:05 pm

2 stops28h 05m

Tallinn

Wed 12/3

6:00 am-1:10 pm

1 stop15h 10m

$457

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 12/8

9:55 pm-1:45 am

1 stop19h 50m

Tallinn

Mon 12/15

6:30 pm-8:00 pm

1 stop33h 30m

$465

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 11/28

10:35 pm-11:40 pm

1 stop17h 05m

Tallinn

Fri 12/5

6:05 am-1:10 pm

1 stop15h 05m

$466

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 12/8

9:55 pm-1:45 am

1 stop19h 50m

Tallinn

Wed 12/17

6:30 pm-4:20 pm

1 stop29h 50m

$475

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 12/7

12:50 pm-5:10 pm

2 stops20h 20m

Tallinn

Wed 12/17

6:00 am-8:10 pm

2 stops22h 10m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 2/17

4:20 pm-1:10 pm

1 stop12h 50m

Tallinn

Fri 3/13

6:05 am-4:20 pm

1 stop17h 15m

$488

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 12/7

12:50 pm-12:50 pm

2 stops16h 00m

Tallinn

Mon 12/15

1:40 pm-8:05 pm

1 stop14h 25m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Tallinn from

How to get the cheapest flight ticket from Chicago to Tallinn

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Tallinn?

The month of March is, on average, the cheapest month to fly to Tallinn from Chicago, with most prices found around $513. If you aren’t able to travel during the month of March, then book flights to Tallinn from Chicago during February instead. Flights to Tallinn in February, while not as cheap as those in March, still average around $547.

What is the cheapest day to depart on your flight to Tallinn?

The cheapest day to depart from Chicago to Tallinn is on a Monday when prices can be found for as low as $663. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Tallinn for around $1,035.

What is the cheapest time of day to depart on your flight to Tallinn?

Flying to Tallinn from Chicago in the morning is the least expensive time of day to depart. momondo users have found prices as low as $678 when looking at flights departing in the morning. Flights at noon are often more expensive with an average ticket price of $851.

When to book flights from Chicago to Tallinn

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Tallinn according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Tallinn (CHI to TLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Tallinn

Direct flights

None
There are no direct flights from Chicago to Tallinn. There are no popular flight routes from Chicago to Tallinn.
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  • How far is Chicago to Tallinn by plane?

    The straight-line distance from Chicago to Tallinn is 4453.0 mi. Typically, this will take 11h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Tallinn Airport?

    Prices for flights from Chicago to Tallinn Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chicago to Tallinn Airport?

  • How old do you have to be to fly from Chicago to Tallinn Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Tallinn Airport.

  • What documentation or ID do you need to fly to Tallinn Airport?

    The required travel and health documents for your Tallinn Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tallinn Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago to Tallinn?

Best airlines flying from Chicago to Tallinn

Compare and see reviews for airlines that fly from Chicago to Tallinn with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $424Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
United AirlinesPriceFrom $529Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
LufthansaPriceFrom $535Free CancellationRating
6.8
7,542 reviews
Search Lufthansa flights

Traveling to a place near Tallinn?

Book flights to Tallinn if you plan to visit one of these locations
Pärnu

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Tallinn?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Tallinn for you.

Can I find flights from Chicago to Tallinn with flexible booking policies on momondo?

momondo does allow users to show only those flights to Tallinn from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Tallinn?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Tallinn.

I’m not ready to book a flight from Chicago to Tallinn right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Tallinn flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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