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Cheap flights from Northern Ireland to Chicago O'Hare Intl Airport from £289

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
27 Feb — 6 Mar1
1 adult

Cheap flight deals from Northern Ireland to O'Hare Intl

Keep the following information in mind while searching for Northern Ireland to O'Hare Intl flight deals. Data was last updated 22 February 2025.

Round-trip from

£689

One-way from

£289

Popular in

March

Cheapest in

September
7/4-14/4
  • 7/4-14/4
  • 4 total stops
  • 52h 30m total
  • Northern Ireland to Chicago
Search Deals
25/4
  • 25/4
  • 2 total stops
  • 29h 46m total
  • Northern Ireland to Chicago
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£236 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£44 potential savings vs. average return price).
Search Deals

Find flight deals from Northern Ireland to O'Hare Intl

Cheapest flights from Northern Ireland to O'Hare Intl
Explore the most affordable flight options available from Northern Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Fri 28/206:30BHD - ORD
1 stop14h 00mVirgin Atlantic
Wed 5/316:25ORD - BHD
1 stop22h 35mVirgin Atlantic
Deal found 21/2£517
Fri 28/206:30BHD - ORD
2 stops20h 23mDelta
Wed 5/310:40ORD - BHD
2 stops24h 10mDelta
Deal found 21/2£522
Fri 28/208:40BHD - ORD
2 stops17h 28mAmerican Airlines
Wed 5/311:41ORD - BHD
2 stops16h 24mAmerican Airlines
Deal found 21/2£529
Mon 27/1019:30BHD - ORD
1 stop24h 25mMultiple Airlines
Mon 3/1122:00ORD - BHD
1 stop14h 35mMultiple Airlines
Deal found 22/2£575
Mon 27/1014:40BHD - ORD
1 stop32h 20mBritish Airways
Mon 3/1118:25ORD - BHD
1 stop13h 45mBritish Airways
Deal found 21/2£586
Tue 28/1017:20BHD - ORD
1 stop27h 10mKLM
Mon 3/1117:20ORD - BHD
2 stops17h 30mKLM
Deal found 21/2£613
Fri 28/206:30BFS - ORD
2 stops34h 07mMultiple Airlines
Wed 5/305:55ORD - BFS
3 stops25h 50mMultiple Airlines
Deal found 21/2£617
Thu 27/206:40BHD - ORD
2 stops42h 35mAer Lingus
Sun 9/316:55ORD - BHD
2 stops15h 40mAer Lingus
Deal found 21/2£673
Thu 27/215:05BHD - ORD
1 stop31h 55mIberia
Sun 9/320:31ORD - BHD
2 stops36h 39mIberia
Deal found 21/2£956

Find flights from Northern Ireland to O'Hare Intl within your budget

Customise your flight search to find flights from Northern Ireland to O'Hare Intl 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 22 February 2025.

Fly from

Northern Ireland

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/4

17:30-19:00

2 stops31h 30m

Chicago O'Hare Intl

Mon 14/4

20:50-23:50

2 stops21h 00m

£689

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/4

22:00-21:46

2 stops29h 46m

£289

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 25/4

16:00-21:46

2 stops35h 46m

£319

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 24/6

09:50-19:00

2 stops15h 10m

£564

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 25/4

06:35-17:00

1 stop16h 25m

£575

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 24/6

16:25-11:55

1 stop25h 30m

£614

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:30-14:10

1 stop13h 40m

£1,276

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 16/5

06:30-14:10

1 stop13h 40m

£1,278

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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

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

Travel insights for flights from Northern Ireland to O'Hare Intl

Get recent, data-driven insights about flights from Northern Ireland to O'Hare Intl including ideal travel times, pricing trends, and more.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 22 February 2025.
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,203 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,332 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,071 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,754 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to O'Hare Intl. 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 Northern Ireland to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £564. Users have also found prices from £575 and £614 on British Airways and Finnair, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to O'Hare Intl 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 Northern Ireland to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Chicago O'Hare Intl Airport (average of £595). Flying from Northern Ireland to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

Travelling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Evanston
Downers Grove
Schaumburg
Elk Grove Village
Beloit
Rosemont

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Alternative routes for Northern Ireland to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Bristol to Midway flights
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Newcastle upon Tyne to Midway flights
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Southampton to Midway flights
Darlington to Midway flights
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Leeds to Midway flights
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Cardiff to Midway flights
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Can Cheapflights find flights from Northern Ireland to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Northern Ireland? 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 Northern Ireland to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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