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O'Hare Intl

$597+ Cheap flights from Northern Ireland to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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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 febrero 20, 2025.

Round-trip from

$597
(Expedia)

Popular in

March

Cheapest in

September
From Northern Ireland to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
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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 febrero 20, 2025.

This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/26:30 amBHD - ORD
1 stop18h 15mBritish Airways
mié. 3/267:30 pmORD - BHD
1 stop13h 45mBritish Airways
Deal found 2/20$597
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/45:20 pmBHD - ORD
1 stop27h 10mMultiple Airlines
mié. 3/266:15 pmORD - BHD
2 stops17h 35mMultiple Airlines
Deal found 2/20$631
This KLM deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/275:20 pmBHD - ORD
1 stop27h 10mKLM
lun. 3/34:25 pmORD - BHD
1 stop18h 25mKLM
Deal found 2/20$652
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/276:30 amBHD - ORD
2 stops20h 23mDelta
lun. 3/31:40 pmORD - BHD
2 stops21h 10mDelta
Deal found 2/20$659
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/19:10 amBHD - ORD
1 stop13h 50mAmerican Airlines
sáb. 3/296:00 pmORD - BHD
1 stop12h 15mAmerican Airlines
Deal found 2/20$661
This Trip.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/48:35 amBFS - ORD
2 stops36h 55mMultiple Airlines
mié. 3/268:15 pmORD - BFS
2 stops18h 20mMultiple Airlines
Deal found 2/20$662
This ChecknFly deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/12:25 pmBHD - ORD
2 stops29h 35mAer Lingus
mar. 4/223:45 pmORD - BHD
2 stops15h 05mAer Lingus
Deal found 2/20$924
This TravelUp deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/14:25 pmBHD - ORD
1 stop30h 35mFinnair
mar. 4/228:30 pmORD - BHD
2 stops33h 25mFinnair
Deal found 2/20$997

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

Customize 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 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Northern Ireland

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

dom. 3/2

6:30 am-6:45 pm

1 stop18h 15m

Chicago O'Hare Intl

mié. 3/26

7:30 pm-2:15 pm

1 stop13h 45m

$597

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 3/4

5:20 pm-2:30 pm

1 stop27h 10m

Chicago O'Hare Intl

mié. 3/26

6:15 pm-4:50 pm

2 stops17h 35m

$631

BelfastChicago

BHD - ORD

BHDORD

Belfast City

dom. 3/2

6:30 am-5:00 pm

1 stop16h 30m

Chicago O'Hare Intl

vie. 3/28

1:49 pm-10:30 am

2 stops15h 41m

$661

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

mar. 3/4

8:35 am-3:30 pm

2 stops36h 55m

Chicago O'Hare Intl

mié. 3/26

8:15 pm-7:35 pm

2 stops18h 20m

$662

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 4/1

2:25 pm-2:00 pm

2 stops29h 35m

Chicago O'Hare Intl

mar. 4/22

3:45 pm-12:50 pm

2 stops15h 05m

$924

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 4/1

5:25 pm-2:40 pm

1 stop27h 15m

Chicago O'Hare Intl

mar. 4/22

4:50 pm-4:55 pm

1 stop18h 05m

$996

BelfastChicago

BHD - ORD

BHDORD

Belfast City

mar. 4/1

4:25 pm-5:00 pm

1 stop30h 35m

Chicago O'Hare Intl

mar. 4/22

8:30 pm-11:55 am

2 stops33h 25m

$997

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

mié. 8/6

7:25 am-6:15 pm

2 stops16h 50m

$674

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

10:20 am-7:00 pm

2 stops14h 40m

$792

BelfastChicago

BHD - ORD

BHDORD

Belfast City

vie. 5/16

6:30 am-2:10 pm

1 stop13h 40m

$1,611

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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 round-trip 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 febrero 20, 2025.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
1,070 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Northern Ireland to Chicago O'Hare Intl Airport (average of $245). Flying from Northern Ireland to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Naperville
Rosemont
Schaumburg
Beloit
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Arlington Heights
Northbrook
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Evanston
Des Plaines
Elgin

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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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