Cheap flights from Chicago O'Hare Intl Airport to Estonia from $439
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 O'Hare Intl Airport to Estonia departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Chicago O'Hare Intl Airport to Estonia that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago O'Hare Intl Airport to Estonia.
Cheap last minute flights
Planning a quick getaway from Chicago O'Hare Intl Airport to Estonia? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Estonia, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Chicago O'Hare Intl Airport to Estonia
Find recent round-trip train or bus tickets from Chicago O'Hare Intl Airport to Estonia.
All round-trip flight deals from Chicago O'Hare Intl Airport to Estonia
The cheapest plane tickets from Chicago O'Hare Intl Airport to Estonia found on KAYAK recently.
American Airlines flights from Chicago O'Hare Intl Airport to Estonia
Our best American Airlines deals on Chicago O'Hare Intl Airport to Estonia flight tickets
American Airlines![American Airlines]()
Mar 12![American Airlines]()
Mar 20
ORD10:15 amChicago O'Hare Intl
21h 55m
2 stops
TLL3:10 pmTallinn Ulemiste
TLL6:00 amTallinn Ulemiste
22h 06m
2 stops
ORD9:06 pmChicago O'Hare Intl
American Airlines![American Airlines]()
Mar 12![American Airlines]()
Mar 20
ORD12:05 pmChicago O'Hare Intl
20h 05m
2 stops
TLL3:10 pmTallinn Ulemiste
TLL6:00 amTallinn Ulemiste
22h 06m
2 stops
ORD9:06 pmChicago O'Hare Intl
Finnair flights from Chicago O'Hare Intl Airport to Estonia
Our best Finnair deals on Chicago O'Hare Intl Airport to Estonia flight tickets
Finnair![Finnair]()
Apr 14![Finnair]()
Apr 22
ORD9:30 pmChicago O'Hare Intl
10h 40m
1 stop
TLL4:10 pmTallinn Ulemiste
TLL12:55 pmTallinn Ulemiste
12h 55m
1 stop
ORD5:50 pmChicago O'Hare Intl
Finnair![Finnair]()
Apr 23![Finnair]()
Apr 29
ORD9:30 pmChicago O'Hare Intl
14h 05m
1 stop
TLL7:35 pmTallinn Ulemiste
TLL10:55 amTallinn Ulemiste
14h 55m
1 stop
ORD5:50 pmChicago O'Hare Intl
See travel insights to Estonia from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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
Prices
Airlines
What is the cheapest month to fly to Estonia?
The cheapest month to fly to Estonia from Chicago O'Hare Intl Airport is in December. Flight prices, which tend to average around $553, are often lower during this time because this is during the off-season. If you’re not able to fly to Estonia in December, then February is your next best option. Flight prices from Chicago O'Hare Intl Airport to Estonia during February average around $592.
What is the cheapest day to depart on your flight to Estonia?
On average, the least expensive day to fly to Estonia from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.
How far in advance should I book a flight to Estonia?
You are more likely to see cheaper flights to Estonia from Chicago O'Hare Intl Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Estonia for around $746 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Estonia from Chicago O'Hare Intl Airport for as low as $532 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Estonia?
SWISS and Finnair are the most popular carriers operating from Chicago O'Hare Intl to Estonia
What airlines fly to Estonia?
Finnair, Lufthansa and United Airlines are the top three most popular airlines that fly to Estonia from Chicago O'Hare Intl Airport according to our data. Finnair is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Estonia. Keep in mind that there are 5 different airlines that fly to Estonia on a routine basis, so you have a few additional options to choose from.
Cheap Chicago O'Hare Intl Airport to Estonia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Estonia
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Estonia?
Prices for flights from Chicago O'Hare Intl Airport to Estonia were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Estonia?
The number of operators available for flights from Chicago O'Hare Intl Airport to Estonia is 5 as of January 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Estonia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Estonia.
What documentation or ID do you need to fly to Estonia?
The required travel and health documents for your Estonia 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 Estonia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Chicago O'Hare Intl Airport to Estonia
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Estonia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $428 | Free Cancellation | Rating 7.3 1,320 reviews | |||
| PriceFrom $529 | Free Cancellation | Rating 7.4 8,984 reviews | |||
| PriceFrom $532 | Free Cancellation | Rating 7.6 1,286 reviews | |||
| PriceFrom $568 | Free Cancellation | Rating 6.7 7,111 reviews | |||
| PriceFrom $722 | Free Cancellation | Rating 7.6 1,117 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Estonia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Estonia from Chicago.
Can I find flights from Chicago to Estonia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to Estonia flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Estonia?
momondo provides multiple filters to help you find the best flight to Estonia from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Estonia right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Estonia 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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