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Northern Ireland

$343+ Cheap flights from Chicago (CHI) to Northern Ireland

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
nov. 1 — nov. 81
sáb. 11/1
sáb. 11/8
1 adult, Economy
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Cheap flight deals from Chicago to Northern Ireland

Keep the following information in mind while searching for Chicago to Northern Ireland flight deals. Data was last updated octubre 2, 2025.

Round-trip from

$612
(Mytrip)

One-way from

$343
(Kiwi.com)
From Chicago (CHI) to Northern Ireland
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One-way flight from Chicago (CHI) to Northern Ireland
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Find flight deals from Chicago to Northern Ireland

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 2, 2025.

This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:15 pmORD - BFS
3 stops20h 30mMultiple Airlines
vie. 11/219:05 pmBFS - ORD
3 stops47h 40mMultiple Airlines
Deal found 10/2$612
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:31 pmORD - BFS
3 stops25h 49mMultiple Airlines
jue. 11/206:30 amBFS - ORD
3 stops38h 55mMultiple Airlines
Deal found 10/2$640
This American Airlines deal was found by Cheapflights users on 10/1. 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.
mié. 10/2210:35 pmORD - BHD
1 stop14h 05mAmerican Airlines
mar. 10/2811:25 amBHD - ORD
2 stops16h 29mAmerican Airlines
Deal found 10/1$654
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/102:31 pmORD - BFS
3 stops23h 44mMultiple Airlines
vie. 11/146:30 amBFS - ORD
2 stops22h 36mMultiple Airlines
Deal found 10/2$660
This Air France deal was found by Cheapflights users on 10/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/224:40 pmORD - BHD
1 stop18h 15mMultiple Airlines
mar. 10/285:20 pmBHD - ORD
1 stop27h 00mMultiple Airlines
Deal found 10/1$666
This Finnair deal was found by Cheapflights users on 10/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:35 pmORD - BHD
1 stop11h 25mFinnair
mar. 12/911:25 amBHD - ORD
1 stop13h 20mFinnair
Deal found 10/1$694
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/102:31 pmORD - BHD
3 stops23h 59mMultiple Airlines
vie. 11/147:20 amBHD - ORD
2 stops21h 46mMultiple Airlines
Deal found 10/2$703
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/152:31 pmORD - BFS
3 stops26h 09mMultiple Airlines
sáb. 11/2212:45 pmBFS - ORD
3 stops32h 00mMultiple Airlines
Deal found 10/1$705
This Ovago deal was found by Cheapflights users on 10/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/158:11 pmORD - BHD
2 stops30h 14mBritish Airways
sáb. 11/226:00 pmBHD - ORD
1 stop25h 50mBritish Airways
Deal found 10/1$708
This American Airlines deal was found by Cheapflights users on 10/1. 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.
jue. 12/46:35 pmORD - BHD
1 stop18h 15mAmerican Airlines
mar. 12/910:00 amBHD - ORD
2 stops17h 14mAmerican Airlines
Deal found 10/1$713
This Delta deal was found by Cheapflights users on 9/30. 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.
mié. 12/34:25 pmORD - BHD
1 stop22h 35mDelta
dom. 12/75:20 pmBHD - ORD
1 stop27h 00mDelta
Deal found 9/30$715
This Air France deal was found by Cheapflights users on 10/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:15 pmORD - BHD
1 stop18h 40mMultiple Airlines
lun. 10/276:30 amBHD - ORD
1 stop13h 50mMultiple Airlines
Deal found 10/1$716

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 2,558,603 searches. Data last updated octubre 2, 2025.
Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Chicago

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

vie. 11/14

8:15 pm-10:45 pm

3 stops20h 30m

Belfast Intl

vie. 11/21

9:05 pm-2:45 pm

3 stops47h 40m

$612

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

jue. 11/13

2:31 pm-10:20 pm

3 stops25h 49m

Belfast Intl

jue. 11/20

6:30 am-3:25 pm

3 stops38h 55m

$640

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mié. 10/22

10:35 pm-6:40 pm

1 stop14h 05m

Belfast City

mar. 10/28

11:25 am-10:54 pm

2 stops16h 29m

$654

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

lun. 11/10

2:31 pm-8:15 pm

3 stops23h 44m

Belfast Intl

vie. 11/14

6:30 am-11:06 pm

2 stops22h 36m

$660

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

jue. 12/4

8:35 pm-2:00 pm

1 stop11h 25m

Belfast City

mar. 12/9

11:25 am-6:45 pm

1 stop13h 20m

$694

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

lun. 3/30

5:55 pm-9:20 pm

2 stops21h 25m

Belfast City

jue. 4/30

6:30 am-6:41 pm

2 stops18h 11m

$698

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

sáb. 11/15

2:31 pm-10:40 pm

3 stops26h 09m

Belfast Intl

sáb. 11/22

12:45 pm-2:45 pm

3 stops32h 00m

$705

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mié. 12/3

4:25 pm-9:00 pm

1 stop22h 35m

Belfast City

dom. 12/7

5:20 pm-2:20 pm

1 stop27h 00m

$715

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mar. 10/21

4:15 pm-4:55 pm

1 stop18h 40m

Belfast City

lun. 10/27

6:30 am-3:20 pm

1 stop13h 50m

$716

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mar. 10/21

10:25 am-4:55 pm

2 stops24h 30m

Belfast City

lun. 10/27

6:30 am-3:20 pm

1 stop13h 50m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 21 results
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2
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Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Northern Ireland

What is the cheapest time of day to fly from CHI to NIR?

Find hourly flight availability from Chicago to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Northern Ireland as you normally would.

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 octubre 2, 2025.
See what other customers who have flown with British Airways from Chicago to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,416 reviews

Overall

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,416 reviews
British Airways
6.7
Okay
7,416 reviews

Overall

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

  • How long is the flight from Chicago to Northern Ireland?

    A quick flight from Chicago to Northern Ireland can take about 11h 25m. American Airlines provides one of the quickest options available for as low as $694. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Chicago to Northern Ireland?

    Most travelers choose Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast City when deciding on the best route from Chicago to Northern Ireland.

  • Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Northern Ireland?

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

  • Can I find deals for business class flights from Chicago to Northern Ireland?

    Yes. Cheapflights offers flight deals from Chicago 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 to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of $657). Flying from Chicago to Northern Ireland in June is currently the most expensive (average of $1,189). 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 Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Chicago to Northern Ireland

Discover the top airline that operate flights from Chicago to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$720FlexibilityNo cancel feeOn-time70%

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