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Cheap flights from Northern Ireland to Chicago from £297

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — CHI
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Chicago
Explore the most affordable flight options available from Northern Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Thu 17/906:30
BHD
-
ORD
1 stop13h 20m
British Airways
Mon 21/917:19
ORD
-
BHD
2 stops13h 36m
British Airways
Deal found 8/6£655
Thu 5/1109:05
BHD
-
ORD
2 stops15h 20m
British Airways
Sun 8/1116:06
ORD
-
BHD
2 stops15h 49m
British Airways
Deal found 8/6£659
Wed 22/722:45
BFS
-
ORD
3 stops27h 20m
Multiple Airlines
Wed 29/719:25
ORD
-
BFS
3 stops20h 55m
Multiple Airlines
Deal found 7/6£682
Mon 20/708:00
BFS
-
ORD
2 stops14h 57m
Multiple Airlines
Mon 27/722:25
ORD
-
BFS
2 stops18h 10m
Multiple Airlines
Deal found 5/6£708
Mon 15/606:30
BHD
-
ORD
1 stop11h 55m
American Airlines
Mon 22/620:50
ORD
-
BHD
1 stop12h 40m
American Airlines
Deal found 7/6£712
Mon 15/606:30
BHD
-
ORD
1 stop11h 55m
Multiple Airlines
Mon 22/622:30
ORD
-
BHD
1 stop14h 15m
Multiple Airlines
Deal found 8/6£717
Mon 13/720:35
BFS
-
ORD
3 stops29h 17m
Multiple Airlines
Sun 19/719:25
ORD
-
BFS
2 stops20h 05m
Multiple Airlines
Deal found 6/6£722
Mon 6/706:40
BFS
-
ORD
2 stops19h 12m
Multiple Airlines
Mon 13/719:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Deal found 6/6£739
Mon 6/706:40
BFS
-
ORD
2 stops19h 12m
Multiple Airlines
Mon 20/719:25
ORD
-
BFS
3 stops21h 40m
Multiple Airlines
Deal found 5/6£741

Find flight deals from Northern Ireland to Chicago

Keep the following information in mind while searching for Northern Ireland to Chicago flight deals. Data was last updated 9 June 2026.

Round-trip from

£655

One-way from

£297
British Airways
  • British Airways
  • 17/9-21/9
  • 3 total stops
  • 26h 56m total
  • Northern Ireland to Chicago
Search Deals
8/10
  • 8/10
  • 3 total stops
  • 38h 35m total
  • Northern Ireland to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Chicago 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 9 June 2026.
Use the filters below to find and compare flights from Northern Ireland to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-18:15

1 stop17h 45m

Chicago O'Hare Intl

Mon 21/9

22:35-17:30

1 stop12h 55m

£655
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/11

11:05-19:15

1 stop14h 10m

Chicago O'Hare Intl

Sun 8/11

16:05-13:55

2 stops15h 50m

£655

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 22/7

22:45-20:05

3 stops27h 20m

Chicago O'Hare Intl

Wed 29/7

19:25-22:20

3 stops20h 55m

£682

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 20/7

08:00-16:57

2 stops14h 57m

Chicago O'Hare Intl

Mon 27/7

22:25-22:35

2 stops18h 10m

£708

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

20:35-19:52

3 stops29h 17m

Chicago O'Hare Intl

Sun 19/7

19:25-21:30

2 stops20h 05m

£722

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:40-19:52

2 stops19h 12m

Chicago O'Hare Intl

Mon 13/7

19:25-23:20

3 stops21h 55m

£739

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:40-19:52

2 stops19h 12m

Chicago O'Hare Intl

Mon 20/7

19:25-23:05

3 stops21h 40m

£741

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Mon 20/7

19:25-23:05

3 stops21h 40m

£747
Cheapest one-way

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 8/10

15:25-17:50

3 stops32h 25m

£328
Fastest single journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 5/9

09:35-15:55

1 stop12h 20m

£378

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 18 resultsSorted by cheapest first
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Best time to book a flight from Northern Ireland to Chicago

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

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Chicago
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Chicago. 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 Northern Ireland to Chicago?

    For as low as £655, British Airways can have you in Chicago from Northern Ireland in 17h 45m. There are 3644 mi between Northern Ireland and Chicago.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Northern Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to O'Hare Intl flights
Gatwick to O'Hare Intl flights
Stansted to O'Hare Intl flights
London City to O'Hare Intl flights
Heathrow to Midway flights
Luton to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Heathrow to St. Louis flights
Manchester to O'Hare Intl flights
Manchester to Midway flights
Gatwick to Midway flights
Birmingham to O'Hare Intl flights
Edinburgh to Midway flights
Birmingham to Midway flights
Gatwick to St. Louis flights
Stansted to St. Louis flights
London City to St. Louis flights
Glasgow Intl to O'Hare Intl flights
Leeds to O'Hare Intl flights
Glasgow Intl to Midway flights
Belfast Intl to O'Hare Intl flights
Newcastle upon Tyne to O'Hare Intl flights
Leeds to Midway flights
Manchester to St. Louis flights
Newcastle upon Tyne to Midway flights
Southend to O'Hare Intl flights
Southampton to O'Hare Intl flights
Liverpool to O'Hare Intl flights
Bristol to O'Hare Intl flights
Cardiff to O'Hare Intl flights
Southampton to Midway flights
London City to Midway flights
Belfast City to O'Hare Intl flights
Luton to St. Louis flights
Birmingham to St. Louis flights
Edinburgh to St. Louis flights
Bristol to Midway flights
Exeter to O'Hare Intl flights
Heathrow to Evansville flights
Cardiff to Midway flights
Newquay to O'Hare Intl flights
Glasgow Intl to St. Louis flights
Leeds to St. Louis flights
Heathrow to Champaign flights
Inverness to O'Hare Intl flights
Gatwick to Champaign flights
Glasgow Intl to Moline flights
Manchester to Moline flights
Darlington to O'Hare Intl flights
Grimsby to O'Hare Intl flights

Top airline flying from Northern Ireland to Chicago

Discover the top airline that operate flights from Northern Ireland to Chicago. 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 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£503Average£657FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Northern Ireland to Chicago?

Cheapflights makes it easy to find Northern Ireland to Chicago flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Chicago?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to Chicago.

Can Cheapflights find flights from Northern Ireland to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Chicago flexibly with Cheapflights today.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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