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Cheap flights from Chicago to Estonia from $644

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 Estonia departing on 5/19. 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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Find the cheapest flights from Chicago to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:00 am - 10:45 am
ORD
-
TLL
19h 45m
2 stops
Scandinavian Airlines Logo
6:15 am - 10:06 pm
TLL
-
ORD
23h 51m
2 stops
$655Scandinavian Airlines
Sun, Sep 6 - Sat, Sep 19
SWISS Logo
7:05 pm - 1:35 am
ORD
-
TLL
22h 30m
1 stop
SWISS Logo
5:05 am - 12:35 pm
TLL
-
ORD
15h 30m
1 stop
$657SWISS
Thu, Sep 3 - Sat, Sep 12
Turkish Airlines Logo
8:10 pm - 10:20 am
ORD
-
TLL
30h 10m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$659Turkish Airlines
Wed, Sep 2 - Fri, Oct 2
Finnair Logo
9:30 pm - 10:50 pm
ORD
-
TLL
17h 20m
1 stop
Finnair Logo
6:00 am - 5:50 pm
TLL
-
ORD
19h 50m
1 stop
$663Finnair
Wed, Sep 2 - Tue, Sep 8
Turkish Airlines Logo
11:25 am - 10:20 am
ORD
-
TLL
14h 55m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$674Turkish Airlines
Tue, Sep 1 - Wed, Sep 9
Finnair Logo
10:35 pm - 10:50 pm
ORD
-
TLL
16h 15m
2 stops
Finnair Logo
6:00 am - 5:50 pm
TLL
-
ORD
19h 50m
1 stop
$677Finnair
Wed, Sep 2 - Tue, Sep 8
Scandinavian Airlines Logo
7:15 pm - 3:15 pm
ORD
-
TLL
12h 00m
1 stop
Scandinavian Airlines Logo
6:15 am - 10:06 pm
TLL
-
ORD
23h 51m
2 stops
$678Scandinavian Airlines
Sun, Sep 6 - Sat, Sep 19
Multiple Airlines Logo
9:30 pm - 12:50 am
ORD
-
TLL
19h 20m
1 stop
Multiple Airlines Logo
6:00 am - 5:50 pm
TLL
-
ORD
19h 50m
1 stop
$690Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Turkish Airlines Logo
11:25 am - 6:40 pm
ORD
-
TLL
23h 15m
1 stop
Turkish Airlines Logo
11:15 am - 9:40 am
TLL
-
ORD
30h 25m
1 stop
$706Turkish Airlines
Sun, Aug 30 - Wed, Sep 9
Multiple Airlines Logo
11:05 am - 7:55 pm
ORD
-
TLL
24h 50m
2 stops
Multiple Airlines Logo
5:05 am - 12:35 pm
TLL
-
ORD
15h 30m
1 stop
$713Multiple Airlines
Wed, Sep 2 - Fri, Oct 2

Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Sep 6
ORD7:00 amChicago O'Hare Intl
19h 45m
2 stops
TLL10:45 amTallinn
Sep 19
TLL6:15 amTallinn
23h 51m
2 stops
ORD10:06 pmChicago O'Hare Intl
$655
Scandinavian Airlines
Sep 6
ORD7:15 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:15 pmTallinn
Sep 19
TLL6:15 amTallinn
23h 51m
2 stops
ORD10:06 pmChicago O'Hare Intl
$678
Scandinavian Airlines
Aug 30
ORD7:15 pmChicago O'Hare Intl
16h 35m
2 stops
TLL7:50 pmTallinn
Sep 8
TLL3:50 pmTallinn
32h 20m
1 stop
ORD4:10 pmChicago O'Hare Intl
$722

SWISS flights from Chicago to Estonia

Our best SWISS deals on Chicago to Estonia flight tickets
SWISS
Sep 3
ORD7:05 pmChicago O'Hare Intl
22h 30m
1 stop
TLL1:35 amTallinn
Sep 12
TLL5:05 amTallinn
15h 30m
1 stop
ORD12:35 pmChicago O'Hare Intl
$657
SWISS
Sep 1
ORD7:05 pmChicago O'Hare Intl
22h 30m
1 stop
TLL1:35 amTallinn
Sep 10
TLL5:05 amTallinn
18h 50m
1 stop
ORD3:55 pmChicago O'Hare Intl
$732
SWISS
Aug 30
ORD7:05 pmChicago O'Hare Intl
22h 30m
1 stop
TLL1:35 amTallinn
Sep 11
TLL5:05 amTallinn
15h 30m
1 stop
ORD12:35 pmChicago O'Hare Intl
$762

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Estonia 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 May 12, 2026.
Use the filters below to find and compare flights from Chicago to Estonia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/6

7:00 am-10:45 am

2 stops19h 45m

Tallinn

Sat 9/19

6:15 am-10:06 pm

2 stops23h 51m

$655

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 9/3

7:05 pm-1:35 am

1 stop22h 30m

Tallinn

Sat 9/12

5:05 am-12:35 pm

1 stop15h 30m

$657

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/2

8:10 pm-10:20 am

1 stop30h 10m

Tallinn

Fri 10/2

11:15 am-9:40 am

1 stop30h 25m

$659

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/2

9:30 pm-10:50 pm

1 stop17h 20m

Tallinn

Tue 9/8

6:00 am-5:50 pm

1 stop19h 50m

$663

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 9/1

11:25 am-10:20 am

1 stop14h 55m

Tallinn

Wed 9/9

11:15 am-9:40 am

1 stop30h 25m

$674

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/2

10:35 pm-10:50 pm

2 stops16h 15m

Tallinn

Tue 9/8

6:00 am-5:50 pm

1 stop19h 50m

$677
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 9/6

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Sat 9/19

6:15 am-10:06 pm

2 stops23h 51m

$678

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/2

9:30 pm-12:50 am

1 stop19h 20m

Tallinn

Tue 9/8

6:00 am-5:50 pm

1 stop19h 50m

$690

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 8/30

11:25 am-6:40 pm

1 stop23h 15m

Tallinn

Wed 9/9

11:15 am-9:40 am

1 stop30h 25m

$706

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Wed 9/2

11:05 am-7:55 pm

2 stops24h 50m

Tallinn

Fri 10/2

5:05 am-12:35 pm

1 stop15h 30m

$713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Estonia from

How to get the cheapest flight ticket from Chicago to Estonia

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 Estonia?

The cheapest month to fly to Estonia from Chicago is in February. Flight prices, which tend to average around $389, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in February, then November is your next best option. Flight prices from Chicago to Estonia during November average around $424.

Cheap Chicago to Estonia flight deals and tips

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Chicago to Estonia takes 15h 00m
There are no direct flights from Chicago to Estonia. There are no popular flight routes from Chicago to Estonia.
Search flight deals

Frequently asked questions about flying from Chicago to Estonia

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

    Prices for flights from Chicago to Estonia refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Estonia.

  • What documentation or ID do you need to fly to Estonia?

    The travel and health documents you'll need for your trip to Estonia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Estonia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago to Estonia

Compare and see reviews for airlines that fly from Chicago to Estonia with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $433Free CancellationRating
7.4
1,775 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,704 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,993 reviews
Search Lufthansa flights
FinnairPriceFrom $817Free CancellationRating
7.6
1,393 reviews
Search Finnair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Estonia. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Estonia from Chicago with this policy.

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

Once you have performed a search for Chicago to Estonia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Estonia, momondo offers a useful price alert feature which will track prices for flights to Estonia from Chicago and alert you when they change.

An easier way to manage your Estonia trip

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