How long is the flight from Chicago O'Hare Intl Airport to Northern Ireland?

KLM, Delta, and British Airways can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 11h. Your travel time can differ by up to 7h 20m. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.

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 is the cheapest time of day to fly from ORD to NIR?

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

Can I find deals for flights from O'Hare Intl to Northern Ireland that include hotel bookings?

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

How can I find direct flights from O'Hare Intl to Northern Ireland?

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

Can I find deals for business class flights from O'Hare Intl to Northern Ireland?

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

£250+ Cheap Flights from Chicago O'Hare Intl Airport to Northern Ireland

Cheap flight deals from O'Hare Intl to Northern Ireland

Enter your travel dates to find the best prices.

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Cheapest flights from O'Hare Intl to Northern Ireland
Explore the most affordable flight options available from O'Hare Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Mon 2/1119:15 -

2 stops21h 05m

Mon 9/1110:45 -

2 stops36h 00m

Deal found 17/9£520

Tue 3/1118:30 -

2 stops18h 20m

Tue 10/1107:05 -

2 stops16h 15m

Deal found 19/9£549

Mon 23/1116:25 -

1 stop18h 20m

Wed 2/1217:20 -

1 stop27h 05m

Deal found 22/9£595

Mon 23/1116:25 -

1 stop18h 20m

Tue 1/1217:20 -

1 stop27h 05m

Deal found 22/9£635

Fri 2/1014:20 -

2 stops24h 40m

Mon 5/1008:40 -

2 stops33h 55m

Deal found 18/9£635

Tue 24/1113:35 -

2 stops21h 10m

Tue 1/1217:20 -

1 stop27h 05m

Deal found 22/9£638

Wed 25/1118:15 -

2 stops16h 30m

Wed 2/1209:40 -

2 stops17h 09m

Deal found 22/9£646

Tue 24/1121:50 -

1 stop12h 55m

Tue 1/1211:40 -

1 stop13h 05m

Deal found 22/9£685

Tue 24/1112:56 -

2 stops15h 54m

Tue 1/1210:00 -

2 stops16h 30m

Deal found 22/9£701

Tue 24/1118:30 -

1 stop11h 00m

Wed 2/1211:40 -

1 stop13h 05m

Deal found 22/9£716

Mon 23/1116:59 -

2 stops15h 16m

Tue 1/1206:35 -

1 stop13h 10m

Deal found 22/9£722

Tue 24/1118:15 -

2 stops16h 30m

Wed 2/1209:40 -

2 stops19h 17m

Deal found 22/9£733

Find flight deals from O'Hare Intl to Northern Ireland

Round-trip from	£520
One-way from	£250

2/11-9/11
4 total stops
57h 05m total
Chicago to Northern Ireland

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1/11-31/12
2 total stops
20h 00m total
Chicago to Northern Ireland

Search Deals

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Northern Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 1/11

18:30-20:30

2 stops20h 00m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£250

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Thu 8/10

14:20-23:00

3 stops26h 40m

Belfast Intl

Wed 31/12

00:00-17:00

Nonstop0h 00m

£365

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 2/11

19:15-22:20

2 stops21h 05m

Belfast Intl

Mon 9/11

10:45-16:45

2 stops36h 00m

£520

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 24/11

10:30-09:10

2 stops16h 40m

Belfast City

Wed 2/12

17:20-14:25

1 stop27h 05m

£599

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Wed 25/11

11:19-09:10

2 stops15h 51m

Belfast City

Wed 2/12

17:20-14:25

1 stop27h 05m

£599

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 3/11

18:30-22:00

3 stops21h 30m

Belfast Intl

Tue 10/11

20:55-14:10

2 stops23h 15m

£600

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Wed 25/11

11:19-09:10

2 stops15h 51m

Belfast City

Tue 1/12

17:20-14:25

1 stop27h 05m

£638

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Fri 2/10

19:05-21:15

2 stops20h 10m

Belfast Intl

Mon 5/10

21:55-14:55

3 stops23h 00m

£656

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 24/11

18:30-11:30

1 stop11h 00m

Belfast City

Wed 2/12

11:40-18:45

1 stop13h 05m

£716

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Fri 19/3

17:11-14:05

2 stops15h 54m

Belfast City

Sun 28/3

06:30-13:50

1 stop13h 20m

£786

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from O'Hare Intl to Northern Ireland

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

ORD-BFS

ORD-BHD

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 O'Hare Intl Airport to Northern Ireland

ORD-GBNIR

ORD-BFS

ORD-BHD

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 O'Hare Intl Airport to Northern Ireland?
KLM, Delta, and British Airways can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 11h. Your travel time can differ by up to 7h 20m. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.
Can I find deals for flights from O'Hare Intl to Northern Ireland that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Northern Ireland.
Can I find deals for business class flights from O'Hare Intl to Northern Ireland?
Yes. Cheapflights offers flight deals from O'Hare Intl 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.

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Deals for O'Hare Intl to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl 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 O'Hare Intl.

Can Cheapflights find flights from O'Hare Intl to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Northern Ireland become cheaper?

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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £250

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Northern Ireland

Cheapest flights from O'Hare Intl to Northern IrelandExplore the most affordable flight options available from O'Hare Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Explore the most affordable flight options available from O'Hare Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from O'Hare Intl to Northern IrelandDiscover carefully curated flight deals from O'Hare Intl to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from O'Hare Intl to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from O'Hare Intl to Northern IrelandDiscover last-minute flight deals from O'Hare Intl to Northern Ireland. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Northern Ireland. Data last updated 22 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to Northern IrelandSearch for one-way flight options from O'Hare Intl to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from O'Hare Intl to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

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Best time to book a flight from O'Hare Intl to Northern Ireland

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Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Northern Ireland?

Can I find deals for flights from O'Hare Intl to Northern Ireland that include hotel bookings?

How can I find direct flights from O'Hare Intl to Northern Ireland?

Can I find deals for business class flights from O'Hare Intl to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to Northern Ireland

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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

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Search flights from O'Hare Intl to Northern Ireland by cabin class

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

O'Hare Intl and Northern Ireland flights

Browse other O'Hare Intl and Northern Ireland flight options. Last updated on 22 September 2026.

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Can Cheapflights notify me if prices for flights from O'Hare Intl to Northern Ireland become cheaper?

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Cheapest flights from O'Hare Intl to Northern Ireland
Explore the most affordable flight options available from O'Hare Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from O'Hare Intl to Northern Ireland
Discover carefully curated flight deals from O'Hare Intl to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from O'Hare Intl to Northern Ireland
Discover last-minute flight deals from O'Hare Intl to Northern Ireland. Data last updated 22 September 2026 and is based on user searches.

One-way flights from O'Hare Intl to Northern Ireland
Search for one-way flight options from O'Hare Intl to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.