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Cheap flights from Northern Ireland to Chicago from £290

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 6/10. 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.
Multiple Airlines Logo
22:45 - 22:05
BFS
-
ORD
29h 20m
2 stops
Multiple Airlines Logo
17:35 - 19:15
ORD
-
BFS
19h 40m
2 stops
£688Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
Multiple Airlines Logo
07:35 - 14:50
BFS
-
ORD
37h 15m
3 stops
Multiple Airlines Logo
14:15 - 19:15
ORD
-
BFS
23h 00m
2 stops
£714Multiple Airlines
Wed, 1 Jul - Wed, 8 Jul
British Airways Logo
06:35 - 13:50
BHD
-
ORD
13h 15m
1 stop
British Airways Logo
18:50 - 13:55
ORD
-
BHD
13h 05m
1 stop
£746British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
12:25 - 19:15
BHD
-
ORD
12h 50m
1 stop
British Airways Logo
21:45 - 18:40
ORD
-
BHD
14h 55m
1 stop
£747British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 18:45
BHD
-
ORD
15h 30m
1 stop
British Airways Logo
20:40 - 13:55
ORD
-
BHD
11h 15m
1 stop
£749British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
06:35 - 17:32
BHD
-
ORD
16h 57m
2 stops
British Airways Logo
14:03 - 10:20
ORD
-
BHD
14h 17m
2 stops
£750British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
06:30 - 16:57
BFS
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
08:45 - 13:20
ORD
-
BFS
22h 35m
3 stops
£751Multiple Airlines
Mon, 6 Jul - Mon, 13 Jul
British Airways Logo
06:35 - 17:38
BHD
-
ORD
17h 03m
2 stops
British Airways Logo
16:05 - 13:55
ORD
-
BHD
15h 50m
2 stops
£751British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
06:35 - 17:41
BHD
-
ORD
17h 06m
2 stops
British Airways Logo
14:03 - 10:20
ORD
-
BHD
14h 17m
2 stops
£753British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
07:20 - 22:05
BFS
-
ORD
20h 45m
2 stops
Multiple Airlines Logo
17:35 - 18:25
ORD
-
BFS
18h 50m
2 stops
£759Multiple Airlines
Fri, 26 Jun - Sun, 5 Jul

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
4 Nov
BHD06:35Belfast City
13h 15m
1 stop
ORD13:50Chicago O'Hare Intl
8 Nov
ORD18:50Chicago O'Hare Intl
13h 05m
1 stop
BHD13:55Belfast City
£746
British Airways
4 Nov
BHD12:25Belfast City
12h 50m
1 stop
ORD19:15Chicago O'Hare Intl
8 Nov
ORD21:45Chicago O'Hare Intl
14h 55m
1 stop
BHD18:40Belfast City
£747
British Airways
4 Nov
BHD09:15Belfast City
15h 30m
1 stop
ORD18:45Chicago O'Hare Intl
8 Nov
ORD20:40Chicago O'Hare Intl
11h 15m
1 stop
BHD13:55Belfast City
£749

Delta flights from Northern Ireland to Chicago

Our best Delta deals on Northern Ireland to Chicago flight tickets
Delta
28 Jun
BHD17:45Belfast City
26h 45m
1 stop
ORD14:30Chicago O'Hare Intl
5 Jul
ORD16:20Chicago O'Hare Intl
11h 00m
1 stop
BHD09:20Belfast City
£881
Delta
25 Jun
BHD17:30Belfast City
26h 45m
1 stop
ORD14:15Chicago O'Hare Intl
5 Jul
ORD11:30Chicago O'Hare Intl
15h 50m
2 stops
BHD09:20Belfast City
£911
Delta
24 Jun
BHD09:50Belfast City
18h 52m
2 stops
ORD22:42Chicago O'Hare Intl
5 Jul
ORD11:30Chicago O'Hare Intl
15h 50m
2 stops
BHD09:20Belfast City
£925

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 29 May 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

Wed 1/7

22:45-22:05

2 stops29h 20m

Chicago O'Hare Intl

Wed 8/7

17:35-19:15

2 stops19h 40m

£688

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

07:35-14:50

3 stops37h 15m

Chicago O'Hare Intl

Wed 8/7

14:15-19:15

2 stops23h 00m

£714
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

Sun 8/11

18:50-13:55

1 stop13h 05m

£746

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

12:25-19:15

1 stop12h 50m

Chicago O'Hare Intl

Sun 8/11

21:45-18:40

1 stop14h 55m

£747

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

09:15-18:45

1 stop15h 30m

Chicago O'Hare Intl

Sun 8/11

20:40-13:55

1 stop11h 15m

£749

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:32

2 stops16h 57m

Chicago O'Hare Intl

Sun 8/11

14:03-10:20

2 stops14h 17m

£750

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Mon 13/7

08:45-13:20

3 stops22h 35m

£751

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:38

2 stops17h 03m

Chicago O'Hare Intl

Sun 8/11

16:05-13:55

2 stops15h 50m

£751

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:41

2 stops17h 06m

Chicago O'Hare Intl

Sun 8/11

14:03-10:20

2 stops14h 17m

£753

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 26/6

07:20-22:05

2 stops20h 45m

Chicago O'Hare Intl

Sun 5/7

17:35-18:25

2 stops18h 50m

£759

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Northern Ireland to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Chicago?

British Airways is the most popular carrier operating from Northern Ireland to Chicago

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

12h 50m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 12h 50m
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes from Northern Ireland to Chicago.
Search flight deals

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 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 £500Free CancellationRating
6.7
8,008 reviews
Search British Airways flights

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