The cheapest times to fly from TLL to ORD are

  • January 15th to February 11th
  • February 26th to May 20th (except the weeks of April 2nd and April 9th)
  • September 10th to December 2nd

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TLL to ORD is late October to early November. Prices can be as high as $1242 for Sunday flights during early August, or as low as $452 for Tuesday flights around late October to early November.


When to Fly to Chicago

Flying from Tallinn (TLL) to Chicago, IL (ORD) will usually cost between $480 to $1043 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $485. Due to high demand the most expensive time to fly is early August, with an average price of $1133. Planning your trip to low-cost times can easily save you $649 on economy flights and even more on first-class flights. Generally, any price below $586 can be considered a good price for a round-trip TLL to ORD flight.

See below for a graph of average weekly prices for the TLL to ORD route. All prices are for round-trip tickets in USD.

TLL to ORD Flight Prices

Compared to other flights, the TLL to ORD flight is cheaper than the average and costs less than the average flight leaving from Tallinn. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to ORD, and Wednesday the cheapest day to fly back into TLL. Sundays are the most expensive days to fly to Chicago, and Saturdays are the most expensive days to return to Tallinn. Selecting flights on the least expensive days could save you up to $58 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $608. Return trip prices are from the ORD to TLL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from TLL to ORD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 1 minutes may not be realistic.


Flight Hacking TLL to ORD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from TLL to ORD — but Champion Traveler does!

Hack #1: Stockholm (TLL > ARN > ORD)

  • Price for both tickets: $508
  • Average savings: $78 (13.31%)

See TLL to OSL flights

Hack #2: Oslo (TLL > OSL > ORD)

  • Price for both tickets: $523
  • Average savings: $64 (10.84%)

See TLL to ARN flights

Hack #3: London (TLL > LHR > ORD)

  • Price for both tickets: $578
  • Average savings: $8 (1.37%)

See TLL to LHR flights


Flight Questions Answered

Still have questions about flying from TLL to ORD? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air Baltic, Air Canada, Air France, American, Austrian, British Airways, Brussels Airlines, Finnair, Iberia, KLM, LOT, Lufthansa, SAS, Singapore Airlines, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to Lennart Meri Tallinn Airport?

The distance between the two airports is roughly 4460 miles or 7178 kilometers.

How long does it take to fly from TLL to ORD?

The real-world flight time for a nonstop TLL to ORD flight is about 9 hour 1 minutes.

How many flights go between Tallinn and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from TLL to ORD.


Airport Location Info


Departing Airport

Origination code TLL
Origination airport name Lennart Meri Tallinn Airport
City Tallinn
Country Estonia
Latitude 59.4
Longitude 24.8

Return Airport

Destination code ORD
Destination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.