The cheapest times to fly from DUB to CMH are

  • January 8th to February 25th
  • March 26th to April 8th
  • April 23rd to May 6th
  • August 20th to December 9th (except the week of 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 DUB to CMH is early October. Prices can be as high as $1298 for Friday flights during early August, or as low as $441 for Tuesday flights around early October.


When to Fly to Columbus

Flying from Dublin (DUB) to Columbus, OH (CMH) will usually cost between $475 to $1116 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $469. Due to high demand the most expensive time to fly is early August, with an average price of $1149. Planning your trip to low-cost times can easily save you $680 on economy flights and even more on first-class flights. Generally, any price below $662 can be considered a good price for a round-trip DUB to CMH flight.

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

DUB to CMH Flight Prices

Compared to other flights, the DUB to CMH flight is cheaper than the average and costs about as much as the average flight leaving from Dublin. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Columbus, and Thursdays are the most expensive days to return to Dublin. Selecting flights on the least expensive days could save you up to $66 (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 $695. Return trip prices are from the CMH to DUB 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 DUB to CMH 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 23 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from DUB to CMH while comparing.

Destination alternative #1: Pittsburgh International Airport (PIT) in Pittsburgh, PA

  • 144 miles (232 km) away from CMH
  • Usually 29.31% less expensive than CMH
  • 1-layover flights available

See DUB to PIT flights

Destination alternative #2: Cincinnati/Northern Kentucky International Airport (CVG) in Cincinnati, OH

  • 115 miles (185 km) away from CMH
  • Usually 0.91% less expensive than CMH
  • 1-layover flights available

See DUB to CVG flights


Flight Hacking DUB to CMH

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 DUB to CMH — but Champion Traveler does!

Hack #1: Washington, DC (DUB > DCA > CMH)

  • Price for both tickets: $625
  • Average savings: $37 (5.59%)

See DUB to JFK flights

Hack #2: New York, NY (DUB > JFK > CMH)

  • Price for both tickets: $627
  • Average savings: $35 (5.29%)

See DUB to DCA flights

Hack #3: Washington, DC (DUB > IAD > CMH)

  • Price for both tickets: $637
  • Average savings: $26 (3.85%)

See DUB to IAD flights


Flight Questions Answered

Still have questions about flying from DUB to CMH? We’ve got answers.

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, American, Austrian, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, WestJet, and potentially more during busy seasons.

How far away is it from John Glenn Columbus International Airport to Dublin Airport?

The distance between the two airports is roughly 3561 miles or 5731 kilometers.

How long does it take to fly from DUB to CMH?

The real-world flight time for a nonstop DUB to CMH flight is about 7 hour 23 minutes.

How many flights go between Dublin and Columbus, OH?

It depends on the day of the week and the date, but a typical day might have around 57 available flights from DUB to CMH.


Airport Location Info


Departing Airport

Origination codeDUB
Origination airport nameDublin Airport

Return Airport

Destination codeCMH
Destination airport nameJohn Glenn Columbus International Airport
CityColumbus, OH
Countrythe United States


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.