Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Estonia from $435

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 8/2. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 3:20 pm
ORD
-
TLL
12h 05m
1 stop
Scandinavian Airlines Logo
8:35 pm - 4:45 pm
TLL
-
ORD
52h 10m
2 stops
$585Scandinavian Airlines
Tue, Nov 3 - Tue, Feb 9
Scandinavian Airlines Logo
7:15 pm - 1:25 am
ORD
-
TLL
22h 10m
1 stop
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$597Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
6:25 am - 4:45 pm
TLL
-
ORD
18h 20m
1 stop
$604Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
8:35 pm - 4:45 pm
TLL
-
ORD
52h 10m
2 stops
$609Scandinavian Airlines
Tue, Nov 3 - Tue, Feb 9
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
TLL
20h 30m
2 stops
Scandinavian Airlines Logo
8:35 pm - 4:45 pm
TLL
-
ORD
28h 10m
2 stops
$639Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Scandinavian Airlines Logo
7:15 pm - 1:30 am
ORD
-
TLL
22h 15m
1 stop
Scandinavian Airlines Logo
6:25 am - 5:45 pm
TLL
-
ORD
18h 20m
1 stop
$663Scandinavian Airlines
Fri, Oct 23 - Sat, Oct 31
Scandinavian Airlines Logo
7:15 pm - 11:50 pm
ORD
-
TLL
20h 35m
2 stops
Scandinavian Airlines Logo
6:25 am - 5:45 pm
TLL
-
ORD
18h 20m
1 stop
$670Scandinavian Airlines
Fri, Oct 23 - Sat, Oct 31
Turkish Airlines Logo
12:50 pm - 11:30 am
ORD
-
TLL
14h 40m
1 stop
Turkish Airlines Logo
6:55 pm - 10:05 am
TLL
-
ORD
23h 10m
1 stop
$693Turkish Airlines
Tue, Nov 3 - Tue, Feb 9
Scandinavian Airlines Logo
7:15 pm - 11:50 pm
ORD
-
TLL
20h 35m
2 stops
Scandinavian Airlines Logo
3:40 pm - 5:45 pm
TLL
-
ORD
33h 05m
2 stops
$701Scandinavian Airlines
Fri, Oct 23 - Sat, Oct 31
Scandinavian Airlines Logo
6:50 pm - 10:50 am
ORD
-
TLL
32h 00m
2 stops
Scandinavian Airlines Logo
6:15 am - 10:06 pm
TLL
-
ORD
23h 51m
2 stops
$712Scandinavian Airlines
Fri, Sep 4 - Sat, Sep 12

Lufthansa flights from Chicago to Estonia

Our best Lufthansa deals on Chicago to Estonia flight tickets
Lufthansa
Aug 5
ORD4:05 pmChicago O'Hare Intl
13h 05m
1 stop
TLL1:10 pmTallinn
Aug 12
TLL6:10 pmTallinn
26h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$750
Lufthansa
Aug 15
ORD9:16 pmChicago O'Hare Intl
31h 49m
2 stops
TLL1:05 pmTallinn
Aug 31
TLL5:55 pmTallinn
34h 00m
1 stop
ORD7:55 pmChicago O'Hare Intl
$765
Lufthansa
Aug 15
ORD10:30 pmChicago O'Hare Intl
17h 55m
1 stop
TLL12:25 amTallinn
Aug 31
TLL1:50 pmTallinn
31h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$808

British Airways flights from Chicago to Estonia

Our best British Airways deals on Chicago to Estonia flight tickets
British Airways
Aug 28
ORD9:30 pmChicago O'Hare Intl
17h 20m
1 stop
TLL10:50 pmTallinn
Sep 2
TLL12:50 pmTallinn
13h 00m
1 stop
ORD5:50 pmChicago O'Hare Intl
$764
British Airways
Sep 4
ORD9:30 pmChicago O'Hare Intl
17h 20m
1 stop
TLL10:50 pmTallinn
Sep 13
TLL6:00 amTallinn
21h 49m
2 stops
ORD7:49 pmChicago O'Hare Intl
$775
British Airways
Sep 4
ORD9:30 pmChicago O'Hare Intl
17h 20m
1 stop
TLL10:50 pmTallinn
Sep 12
TLL4:10 pmTallinn
33h 40m
1 stop
ORD5:50 pmChicago O'Hare Intl
$796

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 18, 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

Tue 11/3

7:15 pm-3:20 pm

1 stop12h 05m

Tallinn

Tue 2/9

8:35 pm-4:45 pm

2 stops52h 10m

$585

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 11/2

7:15 pm-1:25 am

1 stop22h 10m

Tallinn

Mon 11/9

6:25 am-4:45 pm

1 stop18h 20m

$597

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 11/2

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Mon 11/9

6:25 am-4:45 pm

1 stop18h 20m

$604

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 11/3

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Tue 2/9

8:35 pm-4:45 pm

2 stops52h 10m

$609

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Mon 11/2

7:15 pm-11:45 pm

2 stops20h 30m

Tallinn

Mon 11/9

8:35 pm-4:45 pm

2 stops28h 10m

$639

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/23

7:15 pm-1:30 am

1 stop22h 15m

Tallinn

Sat 10/31

6:25 am-5:45 pm

1 stop18h 20m

$663

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/23

7:15 pm-11:50 pm

2 stops20h 35m

Tallinn

Sat 10/31

6:25 am-5:45 pm

1 stop18h 20m

$670
Quickest round-trip

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 11/3

12:50 pm-11:30 am

1 stop14h 40m

Tallinn

Tue 2/9

6:55 pm-10:05 am

1 stop23h 10m

$693

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 10/23

7:15 pm-11:50 pm

2 stops20h 35m

Tallinn

Sat 10/31

3:40 pm-5:45 pm

2 stops33h 05m

$701

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 9/4

6:50 pm-10:50 am

2 stops32h 00m

Tallinn

Sat 9/12

6:15 am-10:06 pm

2 stops23h 51m

$712

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

12h 00m

Direct flights

None
The fastest flight from Chicago to Estonia takes 12h 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
1,781 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $486Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
8,009 reviews
Search Lufthansa flights
FinnairPriceFrom $817Free CancellationRating
7.7
1,396 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/17
Wed 6/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Estonia

Popular cities in Estonia

Popular flights according to clicks in the last 7 days on momondo
Flights to Tallinnfrom $547
Flights to Tartufrom $662