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Cheap flights from Northern Ireland to Chicago from £494

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 9/8. 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
1 adult, Economy, 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.
Multiple Airlines Logo
20:35 - 20:29
BFS
-
ORD
29h 54m
3 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£602Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 16:57
BFS
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£622Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
21:50 - 16:57
BFS
-
ORD
25h 07m
2 stops
Multiple Airlines Logo
22:25 - 21:00
ORD
-
BFS
16h 35m
2 stops
£666Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
07:00 - 21:25
BHD
-
ORD
20h 25m
2 stops
Multiple Airlines Logo
19:25 - 09:20
ORD
-
BHD
31h 55m
3 stops
£725Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
15:25 - 14:00
BFS
-
ORD
28h 35m
2 stops
Multiple Airlines Logo
09:50 - 18:55
ORD
-
BFS
27h 05m
3 stops
£734Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
17:30 - 21:25
BHD
-
ORD
33h 55m
3 stops
Multiple Airlines Logo
19:25 - 09:20
ORD
-
BHD
31h 55m
3 stops
£773Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
American Airlines Logo
09:35 - 18:15
BHD
-
ORD
14h 40m
1 stop
American Airlines Logo
22:30 - 19:25
ORD
-
BHD
14h 55m
1 stop
£808American Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
06:30 - 12:30
BHD
-
ORD
12h 00m
1 stop
Multiple Airlines Logo
06:00 - 10:10
ORD
-
BHD
22h 10m
2 stops
£835Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
British Airways Logo
09:40 - 15:55
BHD
-
ORD
12h 15m
1 stop
British Airways Logo
19:05 - 14:35
ORD
-
BHD
13h 30m
1 stop
£887British Airways
Mon, 24 Aug - Sun, 30 Aug
Delta Logo
17:30 - 14:15
BHD
-
ORD
26h 45m
1 stop
Delta Logo
16:20 - 09:20
ORD
-
BHD
11h 00m
1 stop
£1,050Delta
Fri, 17 Jul - Tue, 21 Jul

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Delta flights from Northern Ireland to Chicago

Our best Delta deals on Northern Ireland to Chicago flight tickets
Delta
17 Jul
BHD17:30Belfast City
26h 45m
1 stop
ORD14:15Chicago O'Hare Intl
21 Jul
ORD16:20Chicago O'Hare Intl
11h 00m
1 stop
BHD09:20Belfast City
£1,050
Delta
17 Jul
BHD09:50Belfast City
16h 41m
2 stops
ORD20:31Chicago O'Hare Intl
21 Jul
ORD16:20Chicago O'Hare Intl
11h 00m
1 stop
BHD09:20Belfast City
£1,074
Delta
17 Jul
BHD09:50Belfast City
16h 41m
2 stops
ORD20:31Chicago O'Hare Intl
21 Jul
ORD19:17Chicago O'Hare Intl
15h 38m
2 stops
BHD16:55Belfast City
£1,096

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
24 Aug
BHD09:40Belfast City
12h 15m
1 stop
ORD15:55Chicago O'Hare Intl
30 Aug
ORD19:05Chicago O'Hare Intl
13h 30m
1 stop
BHD14:35Belfast City
£887
British Airways
18 Jul
BHD07:05Belfast City
14h 50m
1 stop
ORD15:55Chicago O'Hare Intl
22 Jul
ORD19:05Chicago O'Hare Intl
10h 55m
1 stop
BHD12:00Belfast City
£1,313
British Airways
14 Nov
BHD09:15Belfast City
15h 30m
1 stop
ORD18:45Chicago O'Hare Intl
17 Nov
ORD13:31Chicago O'Hare Intl
14h 59m
2 stops
BHD10:30Belfast City
£3,144

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 4 July 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

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

20:35-20:29

3 stops29h 54m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£602

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£622

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

21:50-16:57

2 stops25h 07m

Chicago O'Hare Intl

Sun 30/8

22:25-21:00

2 stops16h 35m

£666

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

07:00-21:25

2 stops20h 25m

Chicago O'Hare Intl

Sun 30/8

19:25-09:20

3 stops31h 55m

£725

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 27/8

15:25-14:00

2 stops28h 35m

Chicago O'Hare Intl

Thu 3/9

09:50-18:55

3 stops27h 05m

£734

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

17:30-21:25

3 stops33h 55m

Chicago O'Hare Intl

Sun 30/8

19:25-09:20

3 stops31h 55m

£773

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

22:30-19:25

1 stop14h 55m

£808

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

06:30-12:30

1 stop12h 00m

Chicago O'Hare Intl

Thu 3/9

06:00-10:10

2 stops22h 10m

£835
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

09:40-15:55

1 stop12h 15m

Chicago O'Hare Intl

Sun 30/8

19:05-14:35

1 stop13h 30m

£887

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 17/7

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Tue 21/7

16:20-09:20

1 stop11h 00m

£1,050

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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

26h 45m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 26h 45m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
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Frequently asked questions about flying from Northern Ireland to Chicago

  • 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 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.

Frequently asked questions about flying from Northern Ireland to Chicago

  • 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.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schererville

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