Cheap Flights from Chicago (CHIA) to Dublin (DUB)

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Flight deals from Chicago to Dublin Airport

Looking for a cheap last-minute deal or the best return flight from Chicago to Dublin Airport? If you want to travel next month, return fares start from £351. Find the lowest prices on one-way and return tickets right here.

Dublin.£325 per passenger.Departing Mon, 14 Sep, returning Mon, 21 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 14 Sep, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 21 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £325, select.

Dublin.£326 per passenger.Departing Mon, 27 Apr, returning Mon, 4 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 27 Apr, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 4 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £326, select.

Dublin.£332 per passenger.Departing Sun, 15 Nov, returning Sun, 29 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Sun, 15 Nov, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sun, 29 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £332, select.

Dublin.£336 per passenger.Departing Sat, 16 Jan, returning Sat, 23 Jan.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Sat, 16 Jan, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sat, 23 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From £336, select.

Dublin.£338 per passenger.Departing Fri, 22 Jan, returning Thu, 4 Feb.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Fri, 22 Jan, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 4 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From £338, select.

Dublin.£344 per passenger.Departing Thu, 7 May, returning Tue, 12 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Thu, 7 May, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Tue, 12 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £344, select.

Dublin.£345 per passenger.Departing Wed, 2 Dec, returning Sat, 12 Dec.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Wed, 2 Dec, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sat, 12 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From £345, select.

Dublin.£351 per passenger.Departing Mon, 13 Apr, returning Fri, 17 Apr.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 13 Apr, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Fri, 17 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £351, select.

Dublin.£353 per passenger.Departing Sat, 24 Oct, returning Tue, 3 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Sat, 24 Oct, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Tue, 3 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £353, select.

Dublin.£353 per passenger.Departing Mon, 31 Aug, returning Mon, 7 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 31 Aug, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 7 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £353, select.

Dublin.£354 per passenger.Departing Tue, 18 Aug, returning Tue, 25 Aug.Return flight with Iberia.Outbound direct flight with Iberia departs from Chicago O'Hare International on Tue, 18 Aug, arriving in Dublin.Inbound direct flight with Iberia departs from Dublin on Tue, 25 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £354, select.

Dublin.£356 per passenger.Departing Tue, 8 Sep, returning Tue, 15 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Chicago O'Hare International on Tue, 8 Sep, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 15 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £356, select.

Dublin.£357 per passenger.Departing Mon, 5 Oct, returning Mon, 12 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 5 Oct, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 12 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From £357, select.

Dublin.£364 per passenger.Departing Mon, 30 Mar, returning Wed, 8 Apr.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Mon, 30 Mar, arriving in Dublin.Inbound indirect flight with United, departs from Dublin on Wed, 8 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £364, select.

Dublin.£367 per passenger.Departing Tue, 31 Mar, returning Thu, 16 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Chicago O'Hare International on Tue, 31 Mar, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Thu, 16 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £367, select.

Dublin.£368 per passenger.Departing Tue, 21 Apr, returning Tue, 28 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Chicago O'Hare International on Tue, 21 Apr, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 28 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £368, select.

Find the cheapest month to fly from Chicago to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Dublin flights are currently cheapest in September.

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Direct flights from Chicago to Dublin

Chicago to Dublin: Alternative routes

Compare routes from Chicago to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Dublin

6 miles from central Dublin

ClosestCheapest

from £325

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Chicago to Dublin: Flight information

The things to know before you go.

Cheapest flight found	£325
Cheapest month to fly	September
Average flight time	7 hrs, 26 mins
Most popular airline	Aer Lingus
Average flights per week	298

Finding cheap flights from Chicago to Dublin: Frequently asked questions

How much are return flights from Chicago to Dublin?

The best price we found for a return flight from Chicago to Dublin is £325. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chicago to Dublin?

7 hours and 26 minutes is the average flight time from Chicago to Dublin.

Which airlines fly direct from Chicago to Dublin?

Aer Lingus, Iberia and British Airways fly direct from Chicago to Dublin.

How many flights are there a week from Chicago to Dublin?

As of March 2026, there are 163 flights per week flying from Chicago to Dublin.

When is the cheapest time to fly from Chicago to Dublin?

The cheapest month to fly from Chicago to Dublin is usually September.

Which upcoming date is cheapest to fly from Chicago to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Dublin Airport on Monday, 14 September 2026.

Can I get a direct flight from Chicago to Dublin Airport?

Yes – the average flight time is 7 hours and 26 minutes.

How can I find the best flight deal to Dublin?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Dublin?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Chicago to Dublin Airport (DUB): What you need to know

There are a couple of main airports you can take off from in Chicago. Explore your options leaving from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW) when searching for a flight from Chicago to Dublin Airport (DUB).
Around 7 hours 25 minutes is how long you'll be travelling on a direct Chicago to Dublin Airport flight.
Dublin Airport is located in Dublin. The city operates on the UTC+0 timezone and is five hours ahead of Chicago.
With 19 direct weekly flights between the two airports, O'Hare International Airport (ORD) to Dublin Airport (DUB) is the busiest route. Aer Lingus operates the earliest flight at 3:45pm. If you'd like to get more out of your day before taking off, the latest flight from ORD to DUB is with American Airlines at 10:25pm.
For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your flight from Chicago to DUB.
During high season, allow for longer queues and show up earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Chicago

O'Hare International Airport (ORD)

You can hop on a direct flight from Chicago to Dublin Airport (DUB) out of O'Hare International Airport (ORD).
Well-known carriers that offer direct flights from Chicago to Dublin Airport departing ORD include:
Aer Lingus is the airline with the highest number of bookings for flights from ORD to DUB.
With 67.31% of services arriving as planned, American Airlines is the best performing carrier for punctuality on this route.
Consider adding a stopover to find cheap flights from Chicago to DUB. Simply uncheck 'Direct flights only' when browsing departures from O'Hare International Airport (ORD). Break up the journey at one of these airports:
- Logan International Airport (BOS)
- Pearson International Airport (YYZ)
- Bradley International Airport (BDL)
Located around 40 kms (25 miles) from the centre of Chicago, ORD can be reached in about 35 minutes by car, depending on traffic. The journey on public transport is roughly 55 minutes.
Want a relaxed start to your trip? Stay near O'Hare International Airport. Whether you're boarding an early flight from Chicago to Dublin Airport or want to avoid feeling rushed, these hotels have you covered:
74.85% of flights taking off from O'Hare International Airport land at their destination on time.
You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Add a little extra to your holiday with a stopover on your flight from Chicago to Dublin Airport. Here's where you can connect between Chicago Midway International Airport and DUB:
- Hartsfield-Jackson Atlanta International Airport (ATL)
- Minneapolis-St. Paul International Airport (MSP)
- Philadelphia International Airport (PHL)
MDW is around 19 kms (12 miles) from central Chicago. It takes 20 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 45 minutes.
Want to treat yourself to an extra night away before boarding your Chicago to DUB flight? Relax in a hotel near Chicago Midway International Airport before your trip officially begins. These stays are expecting you:
Looking at how often flights stay on schedule, Chicago Midway International Airport has an on-time arrival rate of 77.88%.
MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

Whether just for a couple of hours or a handful of days, a stopover can make your journey feel a bit less hectic. When jetting out of Chicago Rockford International Airport (RFD), you can book a plane ticket from Chicago to Dublin Airport (DUB) with a stop at Los Angeles International Airport (LAX).
The journey time to RFD from the centre of Chicago is around 4 hours 15 minutes by public transport. If you prefer to travel by car, it'll take you about 1 hour 25 minutes to cover the 137 kms (85 miles) or so.
Skip the morning rush on departure day — stay close to Chicago Rockford International Airport and know you'll reach your boarding gate with time to spare. Get settled at one of these hotels the day before if you're catching an early Chicago to Dublin Airport flight:
The on-time performance rating of RFD is 76.19%. In other words, that's how frequently flights from this airport arrive within the expected time frame.
The address of Chicago Rockford International Airport is 2 Airport Cir.

About Dublin Airport (DUB)

If you have a late flight from Chicago to Dublin Airport, nothing tops the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and snoozing not long after at one of these options near DUB:
Fast-track your adventure by picking up a Dublin Airport rental car. Grab a set of wheels from Easirent, Budget or Carhire and explore beyond Dublin's main sights.
Booking your ride around two weeks in advance of your Chicago to Dublin Airport flight can help you secure the lowest rate.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport is around 5 miles from central Dublin. How long it takes to get to the centre by car hire or cab will depend on the time of day. Do a little research before you go.
It takes around 2 hours 10 minutes if you're travelling on public transport.

How to find the cheapest flights from Chicago to Dublin Airport (DUB)

£154 is the best price for a one-way ticket from Chicago to Dublin Airport. A return flight starts from £325. These fares may change based on demand.
Get cheap flights from Chicago to DUB by booking four months ahead. According to our research, that's the sweet spot for finding a bargain.
The best month for landing cheap Chicago to Dublin Airport tickets is September. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the biggest savings.
There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a new deal shows up on plane tickets from Chicago to DUB.
Filters make it easier to save some cash on your flight from Chicago to Dublin Airport. Choose the flight times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Chicago to Dublin Airport (DUB)

It's time to figure out when to book your flight from Chicago to Dublin Airport (DUB). August is the peak month for travel to Dublin. If you're all about a more relaxed kind of trip, head there in February.
The warmest month in Dublin is July, with temperatures ranging between 10ºC (50ºF) and 20ºC (68ºF). Book your Chicago to DUB plane ticket then if that's your ideal forecast.
Search for cheap tickets from Chicago to Dublin Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 9ºC (48ºF).

More about Dublin

When it comes to searching for somewhere to rest your head, you'll find the top stays in Dublin right here. Explore these hotels once you've booked your flight from Chicago to Dublin Airport:
There are so many things to see and do in this city, it can be hard to work out where to begin. Trinity College Library, Guinness Storehouse and St. Patrick's Cathedral are major attractions which should be on any good Dublin itinerary.

Explore more of Ireland

You've visited Dublin, now it's time to explore other parts of Ireland. Travel about 225 kms (140 miles) south-west to Cork to tick off its leading attractions. From Blarney Castle to Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone, you've got a jam-packed schedule ahead.
If you're ready to explore another great destination in Ireland, head for Waterford, roughly 145 kms (90 miles) south-west of Dublin. Bishop's Palace, Christ Church Cathedral and Waterford Treasures Medieval Museum are key reasons to visit.