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Cheap flights from Chicago to Estonia from $328

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 11/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Estonia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:15 pm - 1:30 amORD  Chicago O'Hare Intl-TLL Tallinn
22h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
6:15 am - 4:10 pmTLL  Tallinn-ORD Chicago O'Hare Intl
17h 55m1 stop Kastrup Copenhagen
$652Scandinavian Airlines
Fr, Okt 2 - Do, Okt 15
Scandinavian Airlines Logo
7:15 pm - 1:30 amORD  Chicago O'Hare Intl-TLL Tallinn
22h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
6:15 am - 4:10 pmTLL  Tallinn-ORD Chicago O'Hare Intl
17h 55m1 stop Kastrup Copenhagen
$657Scandinavian Airlines
Fr, Okt 2 - Do, Okt 15
Scandinavian Airlines Logo
7:15 pm - 3:15 pmORD  Chicago O'Hare Intl-TLL Tallinn
12h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:00 am - 4:10 pmTLL  Tallinn-ORD Chicago O'Hare Intl
17h 10m2 stops Stockholm Arlanda Kastrup Copenhagen
$658Scandinavian Airlines
Fr, Okt 2 - Do, Okt 15
Multiple Airlines Logo
3:45 pm - 2:25 pmORD  Chicago O'Hare Intl-TLL Tallinn
38h 40m2 stops Dublin Berlin Brandenburg
Multiple Airlines Logo
10:55 am - 5:50 pmTLL  Tallinn-ORD Chicago O'Hare Intl
14h 55m1 stop Helsinki-Vantaa
$663Multiple Airlines
Mo, Sep 28 - Mo, Okt 5
Scandinavian Airlines Logo
7:15 pm - 1:30 amORD  Chicago O'Hare Intl-TLL Tallinn
22h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:00 am - 4:10 pmTLL  Tallinn-ORD Chicago O'Hare Intl
17h 10m2 stops Stockholm Arlanda Kastrup Copenhagen
$664Scandinavian Airlines
Fr, Okt 2 - Do, Okt 15
Multiple Airlines Logo
10:25 pm - 4:15 pmORD  Chicago O'Hare Intl-TLL Tallinn
33h 50m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
10:55 am - 5:50 pmTLL  Tallinn-ORD Chicago O'Hare Intl
14h 55m1 stop Helsinki-Vantaa
$676Multiple Airlines
Fr, Okt 2 - Do, Okt 15
Multiple Airlines Logo
3:45 pm - 2:15 pmORD  Chicago O'Hare Intl-TLL Tallinn
14h 30m1 stop Dublin
Multiple Airlines Logo
1:40 pm - 5:50 pmTLL  Tallinn-ORD Chicago O'Hare Intl
12h 10m1 stop Helsinki-Vantaa
$683Multiple Airlines
So, Sep 27 - So, Okt 4
Finnair Logo
9:30 pm - 8:55 pmORD  Chicago O'Hare Intl-TLL Tallinn
15h 25m1 stop Helsinki-Vantaa
Finnair Logo
10:55 am - 5:50 pmTLL  Tallinn-ORD Chicago O'Hare Intl
14h 55m1 stop Helsinki-Vantaa
$708Finnair
Fr, Okt 2 - Do, Okt 15
Finnair Logo
10:25 pm - 10:50 pmORD  Chicago O'Hare Intl-TLL Tallinn
16h 25m2 stops London Heathrow Helsinki-Vantaa
Finnair Logo
6:00 am - 7:16 pmTLL  Tallinn-ORD Chicago O'Hare Intl
21h 16m2 stops Helsinki-Vantaa Dallas/Fort Worth
$846Finnair
Fr, Okt 2 - Do, Okt 15
Finnair Logo
9:30 pm - 8:55 pmORD  Chicago O'Hare Intl-TLL Tallinn
15h 25m1 stop Helsinki-Vantaa
Finnair Logo
10:10 am - 5:50 pmTLL  Tallinn-ORD Chicago O'Hare Intl
15h 40m1 stop Helsinki-Vantaa
$948Finnair
Fr, Aug 28 - So, Sep 6

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Scandinavian Airlines flights from Chicago to Estonia

Our best Scandinavian Airlines deals on Chicago to Estonia flight tickets
Scandinavian Airlines
Oct 2
ORD7:15 pmChicago O'Hare Intl
22h 15m
1 stop
TLL1:30 amTallinn
Oct 15
TLL6:15 amTallinn
17h 55m
1 stop
ORD4:10 pmChicago O'Hare Intl
$652
Scandinavian Airlines
Oct 2
ORD7:15 pmChicago O'Hare Intl
22h 15m
1 stop
TLL1:30 amTallinn
Oct 15
TLL6:15 amTallinn
17h 55m
1 stop
ORD4:10 pmChicago O'Hare Intl
$657
Scandinavian Airlines
Oct 2
ORD7:15 pmChicago O'Hare Intl
12h 00m
1 stop
TLL3:15 pmTallinn
Oct 15
TLL7:00 amTallinn
17h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$658

SWISS flights from Chicago to Estonia

Our best SWISS deals on Chicago to Estonia flight tickets
SWISS
Aug 16
ORD3:55 pmChicago O'Hare Intl
25h 40m
1 stop
TLL1:35 amTallinn
Aug 21
TLL5:05 amTallinn
18h 50m
1 stop
ORD3:55 pmChicago O'Hare Intl
$2,365
SWISS
Aug 16
ORD4:30 pmChicago O'Hare Intl
25h 05m
2 stops
TLL1:35 amTallinn
Aug 21
TLL5:05 amTallinn
18h 50m
1 stop
ORD3:55 pmChicago O'Hare Intl
$2,385

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 August 14, 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 Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Do 10/15

6:15 am-4:10 pm

1 stop17h 55m

$652

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Do 10/15

6:15 am-4:10 pm

1 stop17h 55m

$657

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

7:15 pm-3:15 pm

1 stop12h 00m

Tallinn

Do 10/15

7:00 am-4:10 pm

2 stops17h 10m

$658

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Mo 9/28

3:45 pm-2:25 pm

2 stops38h 40m

Tallinn

Mo 10/5

10:55 am-5:50 pm

1 stop14h 55m

$663

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Do 10/15

7:00 am-4:10 pm

2 stops17h 10m

$664

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

10:25 pm-4:15 pm

2 stops33h 50m

Tallinn

Do 10/15

10:55 am-5:50 pm

1 stop14h 55m

$676
Quickest round-trip

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

So 9/27

3:45 pm-2:15 pm

1 stop14h 30m

Tallinn

So 10/4

1:40 pm-5:50 pm

1 stop12h 10m

$683

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

9:30 pm-8:55 pm

1 stop15h 25m

Tallinn

Do 10/15

10:55 am-5:50 pm

1 stop14h 55m

$708

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 10/2

10:25 pm-10:50 pm

2 stops16h 25m

Tallinn

Do 10/15

6:00 am-7:16 pm

2 stops21h 16m

$846

ChicagoTallinn

ORD Chicago O'Hare Intl - TLL Tallinn

ORDTLL

Chicago O'Hare Intl

Fr 8/28

9:30 pm-8:55 pm

1 stop15h 25m

Tallinn

So 9/6

10:10 am-5:50 pm

1 stop15h 40m

$948

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 March. Flight prices, which tend to average around $492, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in March, then April is your next best option. Flight prices from Chicago to Estonia during April average around $496.

Can stopping save me money on Chicago to Estonia flights?

You could potentially save up to 51% on your flight if you consider stops on a Chicago to Estonia flight.

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

12h 05m

Direct flights

None
The fastest flight from Chicago to Estonia takes 12h 05m
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 $434Free CancellationRating
7.4
1,950 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
10,114 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,186 reviews
Search Lufthansa flights
FinnairPriceFrom $785Free CancellationRating
7.6
1,426 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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So 9/13
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