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 September tends to be the cheapest month to fly to Northern Ireland from Chicago O'Hare Intl Airport. Users have commonly found prices around £709 for the month, but tickets can be as low as £434. 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.

£322+ Flights from Chicago O'Hare Intl Airport to Northern Ireland

Cheap flight deals from O'Hare Intl to Northern Ireland

Round-trip from	£502
One-way from	£322
Popular in	May
Cheapest in	September
Average price	£1,013

Finnair
9/9-23/9
2 total stops
35h 20m total
Chicago to Northern Ireland

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British Airways
20/8
1 total stop
13h 00m total
Chicago to Northern Ireland

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£192 potential increase over avg. return price).

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Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).

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Average for round-trip flights in April 2025

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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 18 April 2025.

Tue 9/917:45ORD - BHD

1 stop10h 50mFinnair

Tue 23/920:20BHD - ORD

1 stop24h 30mFinnair

Deal found 17/4£502

Tue 13/516:20ORD - BHD

1 stop22h 45mVirgin Atlantic

Tue 20/517:25BHD - ORD

1 stop27h 15mVirgin Atlantic

Deal found 17/4£506

Tue 9/919:10ORD - BHD

1 stop14h 10mAmerican Airlines

Tue 23/909:35BHD - ORD

2 stops17h 50mAmerican Airlines

Deal found 17/4£510

Sun 27/421:15ORD - BHD

1 stop11h 25mBritish Airways

Tue 13/509:35BHD - ORD

1 stop14h 40mBritish Airways

Deal found 17/4£512

Mon 24/1116:25ORD - BHD

1 stop22h 35mDelta

Tue 2/1217:20BHD - ORD

1 stop27h 10mDelta

Deal found 17/4£529

Sun 1/616:43ORD - BHD

2 stops22h 27mMultiple Airlines

Sun 8/607:05BHD - ORD

2 stops34h 31mMultiple Airlines

Deal found 16/4£604

Sun 1/616:43ORD - BFS

2 stops17h 12mMultiple Airlines

Sun 8/609:55BFS - ORD

2 stops40h 08mMultiple Airlines

Deal found 16/4£609

Sat 16/817:20ORD - BHD

2 stops17h 35mKLM

Sun 24/806:30BHD - ORD

1 stop13h 40mKLM

Deal found 17/4£698

Sun 23/1119:40ORD - BHD

2 stops15h 40mAer Lingus

Mon 1/1218:00BHD - ORD

2 stops26h 00mAer Lingus

Deal found 17/4£751

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 18 April 2025.

Tue 9/917:45ORD - BHD

1 stop10h 50mFinnair

Tue 23/920:20BHD - ORD

1 stop24h 30mFinnair

Deal found 17/4£502

Tue 13/516:20ORD - BHD

1 stop22h 45mVirgin Atlantic

Tue 20/517:25BHD - ORD

1 stop27h 15mVirgin Atlantic

Deal found 17/4£506

Tue 9/919:10ORD - BHD

1 stop14h 10mAmerican Airlines

Tue 23/909:35BHD - ORD

2 stops17h 50mAmerican Airlines

Deal found 17/4£510

Sun 27/421:15ORD - BHD

1 stop11h 25mBritish Airways

Tue 13/509:35BHD - ORD

1 stop14h 40mBritish Airways

Deal found 17/4£512

Sun 27/410:50ORD - BHD

2 stops24h 05mDelta

Tue 13/506:30BHD - ORD

2 stops16h 00mDelta

Deal found 17/4£547

Sun 1/616:43ORD - BHD

2 stops22h 27mMultiple Airlines

Sun 8/607:05BHD - ORD

2 stops34h 31mMultiple Airlines

Deal found 16/4£604

Sat 16/817:20ORD - BHD

2 stops17h 35mKLM

Sun 24/806:30BHD - ORD

1 stop13h 40mKLM

Deal found 17/4£698

Sun 13/715:45ORD - BHD

2 stops15h 05mAer Lingus

Sat 19/718:45BHD - ORD

2 stops30h 15mAer Lingus

Deal found 17/4£985

Sun 1/616:43ORD - BFS

2 stops17h 12mMultiple Airlines

Sun 8/609:55BFS - ORD

2 stops40h 08mMultiple Airlines

Deal found 16/4£609

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 18 April 2025 and is based on user searches.

Sun 27/421:15ORD - BHD

1 stop11h 25mBritish Airways

Tue 13/509:35BHD - ORD

1 stop14h 40mBritish Airways

Deal found 17/4£512

Sun 27/422:20ORD - BHD

1 stop16h 25mAmerican Airlines

Tue 13/506:35BHD - ORD

1 stop13h 15mAmerican Airlines

Deal found 17/4£516

Sun 27/410:50ORD - BHD

2 stops24h 05mDelta

Tue 13/506:30BHD - ORD

2 stops16h 00mDelta

Deal found 17/4£547

Thu 1/519:25ORD - BFS

2 stops21h 45mMultiple Airlines

Sun 4/514:55BFS - ORD

2 stops44h 50mMultiple Airlines

Deal found 18/4£694

Tue 13/516:20ORD - BHD

1 stop22h 45mVirgin Atlantic

Tue 20/517:25BHD - ORD

1 stop27h 15mVirgin Atlantic

Deal found 17/4£506

Tue 13/509:55ORD - BHD

2 stops21h 50mMultiple Airlines

Tue 20/514:20BHD - ORD

3 stops45h 05mMultiple Airlines

Deal found 17/4£668

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

Tue 9/9

17:45-10:35

1 stop10h 50m

Belfast City

Tue 23/9

20:20-14:50

1 stop24h 30m

£502

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 13/5

16:20-21:05

1 stop22h 45m

Belfast City

Tue 20/5

17:25-14:40

1 stop27h 15m

£506

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/9

19:10-15:20

1 stop14h 10m

Belfast City

Tue 23/9

09:35-21:25

2 stops17h 50m

£510

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 27/4

21:15-14:40

1 stop11h 25m

Belfast City

Tue 13/5

09:35-18:15

1 stop14h 40m

£512

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 27/4

10:50-16:55

2 stops24h 05m

Belfast City

Tue 13/5

06:30-16:30

2 stops16h 00m

£547

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/6

16:43-21:10

2 stops22h 27m

Belfast City

Sun 8/6

07:05-11:36

2 stops34h 31m

£604

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 1/6

16:43-15:55

2 stops17h 12m

Belfast Intl

Sun 8/6

09:55-20:03

2 stops40h 08m

£609

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 16/8

17:20-16:55

2 stops17h 35m

Belfast City

Sun 24/8

06:30-14:10

1 stop13h 40m

£698

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 13/7

15:45-12:50

2 stops15h 05m

Belfast City

Sat 19/7

18:45-19:00

2 stops30h 15m

£985

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 20/8

16:55-11:55

1 stop13h 00m

£322

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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

7,917 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

7,917 reviews

Delta

8.0

Very Good

7,917 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

1,329 reviews

Delta

8.0

Very Good

7,917 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.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,917 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.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,917 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

7,917 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

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Alternative routes for O'Hare Intl to Northern Ireland

Direct flights to United Kingdom

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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.

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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £322

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 20/8. 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 18 April 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 18 April 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 18 April 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?

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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 18 April 2025.