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Cheap flights from Northern Ireland to Chicago from £401

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Northern Ireland to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
06:30 - 12:25
BHD
-
ORD
11h 55m
1 stop
British Airways Logo
11:22 - 17:30
ORD
-
BHD
24h 08m
2 stops
£633British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
06:30 - 12:25
BHD
-
ORD
11h 55m
1 stop
British Airways Logo
15:15 - 15:30
ORD
-
BHD
18h 15m
2 stops
£634British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
06:30 - 17:04
BHD
-
ORD
16h 34m
2 stops
British Airways Logo
22:40 - 19:25
ORD
-
BHD
14h 45m
2 stops
£643British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
06:30 - 18:13
BHD
-
ORD
17h 43m
2 stops
British Airways Logo
22:40 - 18:45
ORD
-
BHD
14h 05m
2 stops
£644British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
09:05 - 16:25
BHD
-
ORD
12h 20m
1 stop
British Airways Logo
11:40 - 10:40
ORD
-
BHD
18h 00m
2 stops
£656British Airways
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
06:30 - 14:55
BHD
-
ORD
14h 25m
1 stop
British Airways Logo
22:30 - 15:30
ORD
-
BHD
11h 00m
1 stop
£657British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
06:30 - 14:55
BHD
-
ORD
14h 25m
1 stop
British Airways Logo
22:30 - 15:30
ORD
-
BHD
11h 00m
1 stop
£658British Airways
Thu, 7 May - Mon, 11 May
British Airways Logo
06:35 - 16:25
BHD
-
ORD
14h 50m
1 stop
British Airways Logo
19:40 - 16:05
ORD
-
BHD
15h 25m
1 stop
£659British Airways
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
09:05 - 00:16
BHD
-
ORD
20h 11m
2 stops
British Airways Logo
15:16 - 10:40
ORD
-
BHD
14h 24m
2 stops
£660British Airways
Thu, 19 Mar - Mon, 23 Mar
British Airways Logo
19:40 - 12:25
BHD
-
ORD
22h 45m
1 stop
British Airways Logo
15:15 - 20:35
ORD
-
BHD
23h 20m
2 stops
£663British Airways
Wed, 6 May - Sun, 10 May

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
7 May
BHD06:30Belfast City
11h 55m
1 stop
ORD12:25Chicago O'Hare Intl
11 May
ORD11:22Chicago O'Hare Intl
24h 08m
2 stops
BHD17:30Belfast City
£633
British Airways
7 May
BHD06:30Belfast City
11h 55m
1 stop
ORD12:25Chicago O'Hare Intl
11 May
ORD15:15Chicago O'Hare Intl
18h 15m
2 stops
BHD15:30Belfast City
£634
British Airways
7 May
BHD06:30Belfast City
16h 34m
2 stops
ORD17:04Chicago O'Hare Intl
11 May
ORD22:40Chicago O'Hare Intl
14h 45m
2 stops
BHD19:25Belfast City
£643

momondo 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, momondo users made 279,928 searches. Data last updated 6 March 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 7/5

06:30-12:25

1 stop11h 55m

Chicago O'Hare Intl

Mon 11/5

11:22-17:30

2 stops24h 08m

£633

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 7/5

06:30-12:25

1 stop11h 55m

Chicago O'Hare Intl

Mon 11/5

15:15-15:30

2 stops18h 15m

£634

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 7/5

06:30-17:04

2 stops16h 34m

Chicago O'Hare Intl

Mon 11/5

22:40-19:25

2 stops14h 45m

£643

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 7/5

06:30-18:13

2 stops17h 43m

Chicago O'Hare Intl

Mon 11/5

22:40-18:45

2 stops14h 05m

£644

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

09:05-16:25

1 stop12h 20m

Chicago O'Hare Intl

Mon 23/3

11:40-10:40

2 stops18h 00m

£656
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 7/5

06:30-14:55

1 stop14h 25m

Chicago O'Hare Intl

Mon 11/5

22:30-15:30

1 stop11h 00m

£657

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 7/5

06:30-14:55

1 stop14h 25m

Chicago O'Hare Intl

Mon 11/5

22:30-15:30

1 stop11h 00m

£658

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

06:35-16:25

1 stop14h 50m

Chicago O'Hare Intl

Mon 23/3

19:40-16:05

1 stop15h 25m

£659

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

09:05-00:16

2 stops20h 11m

Chicago O'Hare Intl

Mon 23/3

15:16-10:40

2 stops14h 24m

£660

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 6/5

19:40-12:25

1 stop22h 45m

Chicago O'Hare Intl

Sun 10/5

15:15-20:35

2 stops23h 20m

£663

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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Cheap Northern Ireland to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 11h 55m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Chicago?

    Prices for flights from Northern Ireland to Chicago are updated daily.

  • How many operators does momondo search for flights from Northern Ireland to Chicago?

  • How old do you have to be to fly from Northern Ireland to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Northern Ireland to Chicago

Compare and see reviews for airlines that fly from Northern Ireland to Chicago with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £503Free CancellationRating
6.7
7,778 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from Northern Ireland to Chicago?

    Confirm your travel details to search for the latest offers for flights from Northern Ireland to Chicago. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Northern Ireland to Chicago with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Chicago . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Northern Ireland to Chicago with flexible booking policies on momondo?

Flights from Northern Ireland to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Northern Ireland to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Northern Ireland.

I’m not ready to book a flight from Northern Ireland to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Northern Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport