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.

Is this a good flight price? We’ll tell you.We compare today’s Chicago to Dublin Airport prices with what travellers usually pay, so you can see if now’s a good time to book, or if it’s worth waiting.

Dublin.£335 per passenger.Departing Thu, 3 Dec, returning Sun, 6 Dec.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Thu, 3 Dec, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sun, 6 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From £335, select.

Dublin.£344 per passenger.Departing Tue, 6 Oct, returning Sat, 17 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Tue, 6 Oct, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sat, 17 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From £344, select.

Dublin.£346 per passenger.Departing Thu, 4 Mar, returning Thu, 11 Mar.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Thu, 4 Mar, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 11 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From £346, select.

Dublin.£347 per passenger.Departing Mon, 1 Feb, returning Thu, 4 Mar.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 1 Feb, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 4 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From £347, select.

Dublin.£351 per passenger.Departing Sat, 18 Apr, returning Wed, 22 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Chicago O'Hare International on Sat, 18 Apr, arriving in Dublin.Inbound indirect flight with Turkish Airlines, departs from Dublin on Wed, 22 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £351, select.

Dublin.£354 per passenger.Departing Sat, 13 Feb, returning Sat, 27 Feb.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Sat, 13 Feb, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Sat, 27 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From £354, select.

Dublin.£366 per passenger.Departing Sun, 13 Sep, returning Sat, 26 Sep.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Chicago O'Hare International on Sun, 13 Sep, arriving in Dublin.Inbound indirect flight with Turkish Airlines, departs from Dublin on Sat, 26 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £366, select.

Dublin.£381 per passenger.Departing Mon, 2 Nov, returning Thu, 5 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 5 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £381, select.

Dublin.£384 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 26 Oct, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 2 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From £384, select.

Dublin.£386 per passenger.Departing Wed, 13 Jan, returning Tue, 26 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Chicago O'Hare International on Wed, 13 Jan, arriving in Dublin.Inbound indirect flight with TAP Air Portugal, departs from Dublin on Tue, 26 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From £386, select.

Dublin.£388 per passenger.Departing Sat, 2 May, returning Tue, 26 May.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Chicago O'Hare International on Sat, 2 May, arriving in Dublin.Inbound indirect flight with Turkish Airlines, departs from Dublin on Tue, 26 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £388, select.

Dublin.£393 per passenger.Departing Mon, 28 Sep, returning Mon, 5 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Chicago O'Hare International on Mon, 28 Sep, arriving in Dublin.Inbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 5 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From £393, select.

Dublin.£401 per passenger.Departing Sun, 29 Nov, returning Sun, 6 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Chicago O'Hare International on Sun, 29 Nov, arriving in Dublin.Inbound indirect flight with TAP Air Portugal, departs from Dublin on Sun, 6 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From £401, select.

Dublin.£423 per passenger.Departing Sun, 26 Apr, returning Mon, 4 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Sun, 26 Apr, arriving in Dublin.Inbound indirect flight with Icelandair, departs from Dublin on Mon, 4 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £423, select.

Dublin.£431 per passenger.Departing Tue, 28 Apr, returning Tue, 12 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Chicago O'Hare International on Tue, 28 Apr, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Tue, 12 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £431, select.

Dublin.£434 per passenger.Departing Mon, 4 May, returning Mon, 11 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Chicago O'Hare International on Mon, 4 May, arriving in Dublin.Inbound direct flight with Aer Lingus departs from Dublin on Mon, 11 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £434, 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 December.

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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 £335

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Chicago to Dublin: Flight information

The things to know before you go.

Cheapest flight found	£335
Cheapest month to fly	December
Average flight time	7 hrs, 26 mins
Most popular airline	Aer Lingus
Average flights per week	250

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 £335. 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 125 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 December.

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 Thursday, 3 December 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.

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

Chicago's main base, Chicago O'Hare International Airport (ORD), is where many unforgettable trips begin. Explore the options for leaving from here when booking your flight from Chicago to Dublin Airport (DUB).
Expect to be in the air for 7 hours 25 minutes. That's the average duration of a direct Chicago to Dublin Airport flight.
Dublin is six hours ahead of Chicago. Dublin Airport is located in Dublin, which operates on the UTC+0 timezone.
The busiest route is from Chicago O'Hare International Airport (ORD) to Dublin Airport (DUB), with 22 direct weekly services. If you're not one for hanging around, the earliest flight from ORD to DUB is the 3:45pm Aer Lingus option. If a later start suits your schedule, the final departure is at 10:25pm with American Airlines.
Leave enough time to make your flight from Chicago to DUB. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Travelling during a peak time like July? Busy periods (like spring break and New Year) can easily add another hour at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

Chicago O'Hare International Airport (ORD) is a convenient option for travelling directly to your destination. Nonstop flights from Chicago to Dublin Airport (DUB) leave from this terminal.
Leading carriers that offer direct flights from Chicago to Dublin Airport departing ORD include:
The majority of passengers prefer to book seats with Aer Lingus between ORD and DUB.
Aer Lingus is the most punctual carrier on this route.
Stopovers are the perfect opportunity to take a travel break and maybe even explore a different city. When searching for cheap flights from Chicago to DUB leaving from Chicago O'Hare International Airport (ORD), uncheck the 'Direct flights only' box to find all potential stops. Your journey might pause in:
- Boston Logan International Airport (BOS)
- Toronto Pearson International Airport (YYZ)
- Bradley International Airport (BDL)
ORD is about 27 kms (17 miles) from central Chicago. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 45 minutes.
Want a leisurely start to your trip? Stay near Chicago O'Hare International Airport. Whether you have an early flight from Chicago to Dublin Airport or want to avoid feeling rushed, these hotels are the ideal choice:
70% of flights that depart Chicago O'Hare International Airport arrive at their destination on time.
You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Split up your flight from Chicago to Dublin Airport with a stop so you can stretch your legs or cross a new place off your list. Some top stopovers between Chicago Midway International Airport and DUB are:
- Atlanta Hartsfield-Jackson International Airport (ATL)
- Minneapolis-Saint Paul International Airport (MSP)
- Philadelphia International Airport (PHL)
MDW is around 16 kms (10 miles) from central Chicago. It'll take you 25 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 30 minutes.
Catching an early morning flight? Think about checking in to one of these accommodation options near Chicago Midway International Airport the day before your Chicago to DUB flight:
76% of all departures from Chicago Midway International Airport meet their expected arrival time.
You'll find MDW 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 entire trip feel a little more stress-free. 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).
RFD is roughly 145 kms (90 miles) from central Chicago. The drive from the city centre to the airport takes about 1 hour 40 minutes. If you're thinking about taking public transport, expect a journey of around 2 hours.
Sleep a little longer, move a little slower, and still make your Chicago to Dublin Airport flight without having to rush. These accommodation options near Chicago Rockford International Airport make departure day a breeze if you're jetting off early:
Airports have an on-time performance rating that measures how often flights reach their destinations without delays. At RFD, that figure is 71%.
Chicago Rockford International Airport is located at 2 Airport Cir.

About Dublin Airport (DUB)

Reserve a hotel near DUB if you have a late flight from Chicago to Dublin Airport. Choose one of these options and end the night sooner:
Lock in the lowest price by reserving your vehicle around two weeks ahead of your Chicago to Dublin Airport flight.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport is around 11 kms (7 miles) from central Dublin. It takes around 25 minutes or so to drive to the city.
Travelling on public transport takes roughly 30 minutes.

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

The cheapest price we've found for a one-way ticket from Chicago to Dublin Airport is £198. For a return flight on this route, the best price is £335. Depending on when you book and the availability, these fares may change.
To snag cheap flights from Chicago to DUB, book your ticket four months before your departure date.
Schedule your trip for September. That's the best month for landing a great bargain on Chicago to Dublin Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across each month.
Save time looking for cheap plane tickets from Chicago to DUB by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.
Tailor your trip using filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Chicago to Dublin Airport.

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

Picture the kind of break you want when deciding your trip dates. December is the quietest month to go to Dublin. July is when most people book flights from Chicago to Dublin Airport (DUB), which may be ideal if you're chasing more excitement.
The warmest month in Dublin is July, with temperatures ranging between 10ºC and 19ºC. Book your Chicago to DUB plane ticket then if that's your definition of good weather.
If you want cooler conditions, search for a cheap ticket from Chicago to Dublin Airport in January when temperatures are between 2ºC and 9ºC.

More about Dublin

After booking your flight from Chicago to Dublin Airport, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring Dublin:
Your trip to Dublin should come with a bit of sightseeing. Major attractions that should be on your list include Guinness Storehouse, Trinity College Library and St. Patrick's Cathedral.

Explore more of Ireland

Dublin is always a good idea, but there are so many other parts of Ireland just waiting to be explored. Around 225 kms (140 miles) southwest of Dublin, a trip to Cork will fill your itinerary to the brim. Start with leading attractions like Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.
If you're looking to explore another major stop in Ireland, consider Waterford, about 145 kms (90 miles) southwest of Dublin. Bishop's Palace, Christ Church Cathedral and Waterford Treasures Medieval Museum are among the biggest draws.