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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £444

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

£475

Popular in

May

Cheapest in

September

Average price

£1,000
American Airlines
  • American Airlines
  • 21/8-4/9
  • 2 total stops
  • 27h 35m total
  • Chicago to Northern Ireland
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£188 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Mon 5/517:40ORD - BHD
1 stop13h 15mAmerican Airlines
Tue 13/506:35BHD - ORD
1 stop14h 05mAmerican Airlines
Deal found 29/4£444
Thu 21/821:15ORD - BHD
1 stop12h 15mBritish Airways
Thu 4/909:35BHD - ORD
1 stop12h 20mBritish Airways
Deal found 29/4£534
Tue 6/518:15ORD - BHD
2 stops20h 50mKLM
Tue 13/506:30BHD - ORD
2 stops18h 07mKLM
Deal found 29/4£538
Tue 6/517:05ORD - BHD
2 stops22h 00mDelta
Tue 13/506:30BHD - ORD
2 stops16h 59mDelta
Deal found 29/4£541
Sat 14/610:00ORD - BFS
3 stops19h 00mMultiple Airlines
Mon 16/606:10BFS - ORD
2 stops21h 46mMultiple Airlines
Deal found 30/4£598
Wed 30/415:45ORD - BHD
2 stops14h 55mAer Lingus
Sat 10/509:50BHD - ORD
2 stops15h 10mAer Lingus
Deal found 30/4£713
Sat 14/610:00ORD - BHD
3 stops29h 10mMultiple Airlines
Sat 21/606:55BHD - ORD
3 stops32h 14mMultiple Airlines
Deal found 30/4£728
Sun 18/516:55ORD - BHD
1 stop12h 35mIberia
Wed 6/806:50BHD - ORD
1 stop17h 25mIberia
Deal found 29/4£2,064

Cheapflights Fare Finder

Customise your flight search to find flights from O'Hare Intl to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
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

O'Hare Intl

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 21/8

17:00-13:15

1 stop14h 15m

Belfast City

Thu 4/9

06:35-13:55

1 stop13h 20m

£475

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 21/8

21:15-15:30

1 stop12h 15m

Belfast City

Thu 4/9

09:35-15:55

1 stop12h 20m

£534

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 14/6

10:00-11:00

3 stops19h 00m

Belfast Intl

Mon 16/6

06:10-21:56

2 stops21h 46m

£598

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 14/6

10:00-21:10

3 stops29h 10m

Belfast City

Sat 21/6

06:55-09:09

3 stops32h 14m

£728

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 22/6

21:15-17:45

2 stops14h 30m

Belfast City

Sat 5/7

07:00-19:00

2 stops18h 00m

£874

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 14/6

17:39-16:55

2 stops17h 16m

Belfast City

Sat 21/6

06:30-17:46

2 stops17h 16m

£960

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/5

16:55-11:30

1 stop12h 35m

Belfast City

Tue 5/8

06:35-14:50

1 stop14h 15m

£2,064

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 23/5

17:30-14:35

3 stops39h 05m

£1,042

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 20/5

17:40-10:35

1 stop10h 55m

£2,878

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 20/5

17:40-13:00

1 stop13h 20m

£2,901

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 12 results
1
2

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

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

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

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 30 April 2025.
To help decide which airline to fly from Chicago to Northern Ireland, see what other customers have to say about KLM, Finnair and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Finnair
7.6
Good
1,275 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,076 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Iberia
7.0
Good
2,698 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Comfort

7.7

Food

7.2

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Northern Ireland one-way?

    For one-way options, check prices for Finnair. According to our data, you can fly for as low as £2,878. Users have also found prices from £2,901 and £3,718 on British Airways and American Airlines, respectively.

  • 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

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

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