The cheapest times to fly from SNN to ORD are

  • January 8th to March 25th (except the week of March 12th)
  • April 16th to May 27th (except the week of April 23rd)
  • August 27th to September 23rd
  • October 8th to December 9th (except the weeks of October 22nd and November 26th)

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 SNN to ORD is mid May. Prices can be as high as $943 for Sunday flights during early August, or as low as $448 for Tuesday flights around mid May.


When to Fly to Chicago

Flying from Shannon (SNN) to Chicago, IL (ORD) will usually cost between $503 to $822 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $494. Due to high demand the most expensive time to fly is early August, with an average price of $856. Planning your trip to low-cost times can easily save you $362 on economy flights and even more on first-class flights. Generally, any price below $556 can be considered a good price for a round-trip SNN to ORD flight.

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

SNN to ORD Flight Prices

Compared to other flights, the SNN to ORD flight is cheaper than the average and costs less than the average flight leaving from Shannon. The average price per mile (for a direct flight) is $0.1, 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 SNN. Sundays are the most expensive days to fly to Chicago, and Saturdays are the most expensive days to return to Shannon. Selecting flights on the least expensive days could save you up to $68 (10%) 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 $569. Return trip prices are from the ORD to SNN 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 SNN 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 7 hour 26 minutes may not be realistic.


Flight Hacking SNN 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 SNN to ORD — but Champion Traveler does!

Hack #1: London (SNN > LGW > ORD)

  • Price for both tickets: $521
  • Average savings: $35 (6.29%)

See SNN to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, American, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue, KLM, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to Shannon Airport?

The distance between the two airports is roughly 3580 miles or 5761 kilometers.

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

The real-world flight time for a nonstop SNN to ORD flight is about 7 hour 26 minutes.

How many flights go between Shannon and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 59 available flights from SNN to ORD.


Airport Location Info


Departing Airport

Origination code SNN
Origination airport name Shannon Airport
City Shannon
Country Ireland
Latitude 52.7
Longitude -8.9

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.