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Cheap flights from Illinois to Estonia from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Estonia departing on 11/19. 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 Illinois to Estonia

Cheap round-trip flights

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Scandinavian Airlines Logo
7:20 pm - 10:30 amORD-TLL
31h 10m2 stops
Scandinavian Airlines Logo
4:20 pm - 4:55 pmTLL-ORD
32h 35m2 stops
$420Scandinavian Airlines
Find Deal
Fri, Feb 6 - Sat, Feb 14
Scandinavian Airlines Logo
7:10 am - 10:20 amORD-TLL
19h 10m2 stops
Scandinavian Airlines Logo
3:45 pm - 4:45 pmTLL-ORD
33h 00m1 stop
$422Scandinavian Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 23
Scandinavian Airlines Logo
7:20 pm - 10:20 amORD-TLL
31h 00m1 stop
Scandinavian Airlines Logo
3:45 pm - 4:45 pmTLL-ORD
33h 00m1 stop
$425Scandinavian Airlines
Find Deal
Thu, Nov 27 - Sat, Dec 13
Multiple Airlines Logo
3:35 pm - 12:50 pmORD-TLL
14h 15m2 stops
Multiple Airlines Logo
6:00 am - 7:55 pmTLL-ORD
21h 55m1 stop
$476Multiple Airlines
Find Deal
Tue, Mar 17 - Tue, Apr 7
Air Canada Logo
12:50 pm - 12:50 pmORD-TLL
17h 00m2 stops
Air Canada Logo
7:30 am - 7:50 pmTLL-ORD
20h 20m2 stops
$479Air Canada
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Tue, Mar 17 - Wed, Apr 8
Multiple Airlines Logo
2:00 pm - 8:05 pmORD-TLL
23h 05m2 stops
Multiple Airlines Logo
1:50 pm - 7:55 pmTLL-ORD
14h 05m1 stop
$483Multiple Airlines
Find Deal
Sun, Mar 22 - Thu, Apr 9
Air Canada Logo
10:35 am - 12:50 pmORD-TLL
18h 15m2 stops
Air Canada Logo
7:00 am - 7:30 pmTLL-ORD
19h 30m2 stops
$484Air Canada
Find Deal
Tue, Mar 3 - Fri, Mar 13
United Airlines Logo
7:15 am - 12:55 pmORD-TLL
22h 40m2 stops
United Airlines Logo
6:00 am - 12:55 pmTLL-ORD
14h 55m1 stop
$487United Airlines
Find Deal
Sun, Mar 15 - Tue, Apr 7
United Airlines Logo
1:02 pm - 12:55 pmORD-TLL
15h 53m2 stops
United Airlines Logo
6:15 am - 4:20 pmTLL-ORD
17h 05m1 stop
$491United Airlines
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Sun, Mar 1 - Tue, Mar 10
KLM Logo
10:00 am - 1:15 pmSTL-TLL
19h 15m2 stops
KLM Logo
2:05 pm - 11:40 pmTLL-STL
17h 35m2 stops
$620KLM
Find Deal
Wed, Apr 1 - Sun, Apr 5

Scandinavian Airlines flights from Illinois to Estonia

Our best Scandinavian Airlines deals on Illinois to Estonia flight tickets
Scandinavian Airlines
Feb 6
ORD7:20 pmChicago O'Hare Intl
31h 10m
2 stops
TLL10:30 amTallinn
Feb 14
TLL4:20 pmTallinn
32h 35m
2 stops
ORD4:55 pmChicago O'Hare Intl
$420
Find similar
Scandinavian Airlines
Dec 7
ORD7:10 amChicago O'Hare Intl
19h 10m
2 stops
TLL10:20 amTallinn
Dec 23
TLL3:45 pmTallinn
33h 00m
1 stop
ORD4:45 pmChicago O'Hare Intl
$422
Find similar
Scandinavian Airlines
Nov 27
ORD7:20 pmChicago O'Hare Intl
31h 00m
1 stop
TLL10:20 amTallinn
Dec 13
TLL3:45 pmTallinn
33h 00m
1 stop
ORD4:45 pmChicago O'Hare Intl
$425
Find similar

United Airlines flights from Illinois to Estonia

Our best United Airlines deals on Illinois to Estonia flight tickets
United Airlines
Mar 15
ORD7:15 amChicago O'Hare Intl
22h 40m
2 stops
TLL12:55 pmTallinn
Apr 7
TLL6:00 amTallinn
14h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$487
Find similar
United Airlines
Mar 1
ORD1:02 pmChicago O'Hare Intl
15h 53m
2 stops
TLL12:55 pmTallinn
Mar 10
TLL6:15 amTallinn
17h 05m
1 stop
ORD4:20 pmChicago O'Hare Intl
$491
Find similar
United Airlines
Mar 18
ORD2:00 pmChicago O'Hare Intl
20h 10m
2 stops
TLL5:10 pmTallinn
Apr 10
TLL1:50 pmTallinn
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$492
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 November 6, 2025.
Use the filters below to find and compare flights from Illinois to Estonia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Fri 2/6

7:20 pm-10:30 am

2 stops31h 10m

Tallinn

Sat 2/14

4:20 pm-4:55 pm

2 stops32h 35m

$420

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 12/7

7:10 am-10:20 am

2 stops19h 10m

Tallinn

Tue 12/23

3:45 pm-4:45 pm

1 stop33h 00m

$422

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Thu 11/27

7:20 pm-10:20 am

1 stop31h 00m

Tallinn

Sat 12/13

3:45 pm-4:45 pm

1 stop33h 00m

$425

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/17

3:35 pm-12:50 pm

2 stops14h 15m

Tallinn

Tue 4/7

6:00 am-7:55 pm

1 stop21h 55m

$476

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/17

12:50 pm-12:50 pm

2 stops17h 00m

Tallinn

Wed 4/8

7:30 am-7:50 pm

2 stops20h 20m

$479

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/22

2:00 pm-8:05 pm

2 stops23h 05m

Tallinn

Thu 4/9

1:50 pm-7:55 pm

1 stop14h 05m

$483

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Tue 3/3

10:35 am-12:50 pm

2 stops18h 15m

Tallinn

Fri 3/13

7:00 am-7:30 pm

2 stops19h 30m

$484

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/15

7:15 am-12:55 pm

2 stops22h 40m

Tallinn

Tue 4/7

6:00 am-12:55 pm

1 stop14h 55m

$487

ChicagoTallinn

ORD - TLL

ORDTLL

Chicago O'Hare Intl

Sun 3/1

1:02 pm-12:55 pm

2 stops15h 53m

Tallinn

Tue 3/10

6:15 am-4:20 pm

1 stop17h 05m

$491

St. LouisTallinn

STL - TLL

STLTLL

Lambert-St Louis

Wed 4/1

10:00 am-1:15 pm

2 stops19h 15m

Tallinn

Sun 4/5

2:05 pm-11:40 pm

2 stops17h 35m

$620

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Estonia from

How to get the cheapest flight ticket from Illinois 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 Illinois is in March. Flight prices, which tend to average around $508, 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 February is your next best option. Flight prices from Illinois to Estonia during February average around $546.

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

On average, the least expensive day to fly to Estonia from Illinois is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $651. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Estonia on Monday is $962.

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

Our data shows that the cheapest Illinois to Estonia flights are usually those with departure times in the evening. Our users have found flights to Estonia in the evening for as low as $702. Try not to purchase tickets at noon because they tend to be around $851. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Illinois to Estonia flight deals and tips

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

Direct flights

None
There are no direct flights from Illinois to Estonia. There are no popular flight routes from Illinois to Estonia.
Search flight deals

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

    Prices for flights from Illinois to Estonia were last updated today.

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

  • How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Estonia

Compare and see reviews for airlines that fly from Illinois to Estonia with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $424Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
United AirlinesPriceFrom $554Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

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

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 Illinois to Estonia for you.

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

Yes. momondo allows you to filter the results for Illinois to Estonia flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Illinois and Estonia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Illinois to Estonia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Estonia and let you know when they change.

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