What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Northern Ireland (average of £67). Flying from Chicago O'Hare Intl Airport to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Northern Ireland?

Our data shows that December tends to be the cheapest month to fly to Northern Ireland from Chicago O'Hare Intl Airport. Users have commonly found prices around £668 for the month, but tickets can be as low as £446. Due to multiple factors, prepare for potentially higher prices in May.

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.

£245+ Flights from Chicago O'Hare Intl Airport to Northern Ireland

Cheap flight deals from O'Hare Intl to Northern Ireland

Round-trip from	£508
One-way from	£245
Popular in	May
Cheapest in	December
Average price	£577

British Airways
21/8-4/9
2 total stops
27h 35m total
Chicago to Northern Ireland

Search Deals

8/7
2 total stops
42h 40m total
Chicago to Northern Ireland

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£153 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from O'Hare Intl to Northern Ireland

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 26 March 2025.

Wed 29/1023:00ORD - BHD

1 stop12h 35mMultiple Airlines

Wed 5/1109:10BHD - ORD

1 stop13h 50mMultiple Airlines

Deal found 24/3£482

Wed 29/1022:45ORD - BHD

1 stop10h 30mBritish Airways

Wed 5/1109:10BHD - ORD

2 stops16h 10mBritish Airways

Deal found 24/3£493

Tue 6/511:47ORD - BFS

2 stops26h 48mMultiple Airlines

Tue 20/506:15BFS - ORD

3 stops45h 35mMultiple Airlines

Deal found 24/3£523

Fri 9/522:25ORD - BHD

1 stop13h 50mAmerican Airlines

Fri 16/506:35BHD - ORD

2 stops17h 07mAmerican Airlines

Deal found 25/3£606

Fri 9/519:25ORD - BHD

2 stops15h 30mKLM

Fri 16/506:30BHD - ORD

2 stops16h 59mKLM

Deal found 25/3£652

Thu 17/717:20ORD - BHD

2 stops21h 45mDelta

Mon 21/706:30BHD - ORD

2 stops18h 10mDelta

Deal found 25/3£846

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 26 March 2025.

Thu 21/822:35ORD - BHD

1 stop14h 10mBritish Airways

Thu 4/909:35BHD - ORD

1 stop13h 25mBritish Airways

Deal found 25/3£508

Tue 6/511:47ORD - BFS

2 stops26h 48mMultiple Airlines

Tue 20/506:15BFS - ORD

3 stops45h 35mMultiple Airlines

Deal found 24/3£523

Fri 9/522:25ORD - BHD

1 stop13h 50mAmerican Airlines

Fri 16/506:35BHD - ORD

2 stops17h 07mAmerican Airlines

Deal found 25/3£606

Fri 9/519:25ORD - BHD

2 stops15h 30mKLM

Fri 16/506:30BHD - ORD

2 stops16h 59mKLM

Deal found 25/3£652

Thu 17/717:20ORD - BHD

2 stops21h 45mDelta

Mon 21/706:30BHD - ORD

2 stops18h 10mDelta

Deal found 25/3£846

Fri 9/522:25ORD - BHD

1 stop13h 50mMultiple Airlines

Fri 16/506:35BHD - ORD

1 stop17h 40mMultiple Airlines

Deal found 25/3£599

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 26 March 2025.

Tue 8/707:00ORD - BFS

2 stops42h 40mMultiple Airlines

Deal found 25/3£245

Tue 8/707:00ORD - BHD

2 stops31h 25mMultiple Airlines

Deal found 25/3£273

Thu 18/921:15ORD - BHD

1 stop12h 15mBritish Airways

Deal found 24/3£352

Mon 14/715:45ORD - BHD

2 stops15h 05mAer Lingus

Deal found 25/3£371

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 21/8

22:35-18:45

1 stop14h 10m

Belfast City

Thu 4/9

09:35-17:00

1 stop13h 25m

£508

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 6/5

11:47-20:35

2 stops26h 48m

Belfast Intl

Tue 20/5

06:15-21:50

3 stops45h 35m

£523

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 9/5

22:25-18:15

1 stop13h 50m

Belfast City

Fri 16/5

06:35-18:15

1 stop17h 40m

£599

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 9/5

22:25-18:15

1 stop13h 50m

Belfast City

Fri 16/5

06:35-17:42

2 stops17h 07m

£606

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 9/5

19:25-16:55

2 stops15h 30m

Belfast City

Fri 16/5

06:30-17:29

2 stops16h 59m

£652

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 17/7

17:20-21:05

2 stops21h 45m

Belfast City

Mon 21/7

06:30-18:40

2 stops18h 10m

£846

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 8/7

07:00-07:40

2 stops42h 40m

£245

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 8/7

07:00-20:25

2 stops31h 25m

£273

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 18/9

21:15-15:30

1 stop12h 15m

£352

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 14/7

15:45-12:50

2 stops15h 05m

£371

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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.

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

Rainfall in Northern Ireland by month

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.

Temperature in Northern Ireland by month

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).

Reviews of airlines servicing Northern Ireland

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,891 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.0

Good

1,062 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,712 reviews

Delta

8.0

Very Good

7,891 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Northern Ireland (average of £67). Flying from Chicago O'Hare Intl Airport to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Northern Ireland

Direct flights to United Kingdom

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to Northern Ireland?

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?

Yes! Start tracking prices for O'Hare Intl to Northern Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £245

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. 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

Keep the following information in mind while searching for O'Hare Intl to Northern Ireland flight deals. Data was last updated 26 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 26 March 2025.

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 26 March 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Northern Ireland

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Northern Ireland

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport 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 O'Hare Intl to Northern Ireland

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Northern Ireland?

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

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

100% Free

Book with Flexibility

Travel Smart

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 26 March 2025.