How long is the flight from Chicago to Northern Ireland?

Departing from Chicago to Northern Ireland will take you 11h 45m. The distance from Chicago to Northern Ireland is about 3644 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from Chicago to Northern Ireland?

The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast City.

What is the cheapest time of day to fly from CHI to NIR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Northern Ireland as you normally would.

Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Chicago to Northern Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.

Can I find deals for business class flights from Chicago to Northern Ireland?

Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£236+ Cheap Flights from Chicago to Northern Ireland

Cheap flight deals from Chicago to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Thu 26/1118:30 -

2 stops21h 25m

Tue 1/1207:05 -

2 stops16h 15m

Deal found 10/9£534

Fri 27/1118:30 -

2 stops20h 10m

Tue 1/1220:55 -

3 stops26h 25m

Deal found 10/9£560

Sun 20/916:15 -

1 stop11h 05m

Mon 5/1017:30 -

1 stop26h 45m

Deal found 9/9£576

Sun 20/916:15 -

1 stop18h 40m

Mon 5/1017:30 -

1 stop26h 45m

Deal found 9/9£592

Thu 5/1118:30 -

2 stops18h 20m

Sat 14/1115:25 -

3 stops30h 05m

Deal found 9/9£601

Mon 26/1019:30 -

2 stops20h 05m

Mon 2/1122:05 -

3 stops25h 15m

Deal found 10/9£606

Fri 23/1008:45 -

3 stops25h 45m

Fri 30/1006:30 -

2 stops18h 28m

Deal found 8/9£653

Thu 5/1116:25 -

1 stop18h 10m

Sat 14/1117:15 -

1 stop27h 10m

Deal found 9/9£665

Mon 28/919:05 -

1 stop14h 25m

Fri 9/1011:00 -

2 stops16h 05m

Deal found 9/9£666

Thu 26/1116:25 -

1 stop18h 10m

Tue 1/1217:20 -

1 stop27h 05m

Deal found 10/9£667

Thu 26/1113:35 -

2 stops21h 00m

Tue 1/1217:20 -

1 stop27h 05m

Deal found 10/9£671

Thu 5/1116:25 -

1 stop18h 10m

Sat 14/1109:40 -

2 stops20h 14m

Deal found 9/9£672

Best flights from Chicago to Northern Ireland
Discover carefully curated flight deals from Chicago to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Fri 27/1118:30 -

2 stops20h 10m

Tue 1/1220:55 -

3 stops26h 25m

Deal found 10/9£560

Sun 31/113:00 -

2 stops14h 10m

Mon 8/209:40 -

2 stops18h 30m

Deal found 10/9£645

Thu 19/1116:25 -

1 stop18h 10m

Tue 24/1117:15 -

1 stop27h 10m

Deal found 11/9£680

Fri 22/117:10 -

1 stop11h 45m

Thu 28/106:30 -

1 stop13h 15m

Deal found 11/9£701

Mon 26/1019:30 -

2 stops20h 05m

Mon 2/1122:05 -

3 stops25h 15m

Deal found 10/9£606

Thu 5/1118:30 -

3 stops19h 50m

Sat 14/1115:25 -

3 stops30h 05m

Deal found 9/9£618

Sat 23/109:30 -

2 stops17h 40m

Fri 29/117:20 -

2 stops30h 14m

Deal found 11/9£683

Fri 26/217:10 -

1 stop11h 45m

Sun 7/306:30 -

1 stop18h 15m

Deal found 7/9£720

Mon 28/910:48 -

2 stops16h 32m

Fri 9/1009:50 -

2 stops18h 43m

Deal found 9/9£1,505

Fri 27/1117:10 -

1 stop14h 55m

Tue 1/1211:40 -

1 stop13h 05m

Deal found 10/9£726

Thu 19/1120:05 -

2 stops19h 50m

Tue 24/1107:05 -

2 stops17h 15m

Deal found 11/9£674

Fri 27/1118:30 -

2 stops20h 35m

Tue 1/1207:20 -

2 stops18h 38m

Deal found 10/9£678

Fri 25/916:30 -

2 stops19h 40m

Mon 28/919:35 -

1 stop26h 20m

Deal found 9/9£782

Thu 26/1112:05 -

2 stops15h 05m

Tue 1/1209:40 -

2 stops19h 15m

Deal found 10/9£891

Fri 26/218:30 -

3 stops21h 30m

Sun 7/320:00 -

2 stops28h 20m

Deal found 7/9£712

Sun 31/118:30 -

2 stops19h 45m

Mon 8/208:30 -

2 stops14h 50m

Deal found 10/9£729

Fri 23/1008:45 -

3 stops25h 45m

Fri 30/1006:30 -

2 stops17h 50m

Deal found 9/9£735

Sun 15/1117:10 -

1 stop11h 35m

Wed 18/1117:35 -

1 stop26h 10m

Deal found 7/9£1,099

Tue 1/1218:30 -

2 stops20h 00m

Sat 5/1207:25 -

2 stops18h 33m

Deal found 11/9£762

Sun 11/1017:00 -

1 stop11h 30m

Wed 14/1006:30 -

1 stop15h 25m

Deal found 10/9£1,099

Fri 25/919:01 -

2 stops15h 54m

Mon 28/909:50 -

2 stops18h 54m

Deal found 9/9£1,724

Mon 28/911:15 -

3 stops20h 35m

Fri 9/1007:00 -

3 stops21h 06m

Deal found 9/9£1,009

Find flight deals from Chicago to Northern Ireland

Round-trip from	£534
One-way from	£236

26/11-1/12
4 total stops
37h 40m total
Chicago to Northern Ireland

Search Deals

27/9-31/12
2 total stops
50h 40m total
Chicago to Northern Ireland

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 27/9

22:25-07:05

2 stops50h 40m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£236

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 31/1

17:10-10:45

1 stop11h 35m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£239

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Sun 31/1

12:30-09:10

2 stops14h 40m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£258

ChicagoBelfast

MDW Chicago Midway - BFS Belfast Intl

MDWBFS

Chicago Midway

Sun 27/9

06:25-21:55

3 stops33h 30m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£262

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 27/9

22:25-16:50

2 stops36h 25m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£263

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sat 30/1

21:36-10:45

2 stops31h 09m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£270

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 31/1

18:30-17:05

3 stops16h 35m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£272

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Fri 29/1

16:29-14:05

2 stops15h 36m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£273

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Sun 27/9

06:25-07:35

3 stops43h 10m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£292

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Fri 29/1

18:30-20:30

3 stops20h 00m

Belfast City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£297

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 35 resultsSorted by cheapest first

Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago with our price prediction graph.

ORD-BHD

ORD-BFS

MDW-BHD

MDW-BFS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Northern Ireland

CHI-GBNIR

ORD-BHD

ORD-BFS

MDW-BHD

MDW-BFS

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Chicago to Northern Ireland?
Departing from Chicago to Northern Ireland will take you 11h 45m. The distance from Chicago to Northern Ireland is about 3644 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Chicago to Northern Ireland?
The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast City.
Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chicago to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.
Can I find deals for business class flights from Chicago to Northern Ireland?
Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Direct flights to United Kingdom

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Popular flights

Alternative routes for Chicago to Northern Ireland

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How does Cheapflights help users find flights from Chicago to Northern Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Northern Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Chicago.

Can Cheapflights find flights from Chicago to Northern Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chicago to Northern Ireland flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Chicago to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Chicago to Northern Ireland from £236

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chicago to Northern Ireland

Cheapest flights from Chicago to Northern IrelandExplore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Chicago to Northern IrelandDiscover carefully curated flight deals from Chicago to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Chicago to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Chicago to Northern IrelandDiscover last-minute flight deals from Chicago to Northern Ireland. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Chicago to Northern Ireland. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Chicago to Northern IrelandSearch for one-way flight options from Chicago to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Chicago to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Find flight deals from Chicago to Northern Ireland

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Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Best time to book a flight from Chicago to Northern Ireland

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Related info for your journey

How long is the flight from Chicago to Northern Ireland?

What are the most popular routes from Chicago to Northern Ireland?

Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

How can I find direct flights from Chicago to Northern Ireland?

Can I find deals for business class flights from Chicago to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Northern Ireland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United Kingdom

Book a non-stop flight to one of these other cities located in United Kingdom.

Search flights from Chicago to Northern Ireland by cabin class

Find flights from Chicago to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chicago and Northern Ireland flights

Browse other Chicago and Northern Ireland flight options. Last updated on 12 September 2026.

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How does Cheapflights help users find flights from Chicago to Northern Ireland?

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Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2026.

Best flights from Chicago to Northern Ireland
Discover carefully curated flight deals from Chicago to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Chicago to Northern Ireland
Discover last-minute flight deals from Chicago to Northern Ireland. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Chicago to Northern Ireland
Search for one-way flight options from Chicago to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.