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Cheap flights from Northern Ireland to Chicago from £268

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 16/9. 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
07:35 - 19:52
BFS
-
ORD
18h 17m
2 stops
Multiple Airlines Logo
19:25 - 15:50
ORD
-
BFS
14h 25m
2 stops
£602Multiple Airlines
Wed, 19 Aug - Thu, 27 Aug
Multiple Airlines Logo
20:35 - 22:05
BFS
-
ORD
31h 30m
3 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£605Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
22:45 - 16:57
BFS
-
ORD
24h 12m
2 stops
Multiple Airlines Logo
08:40 - 18:55
ORD
-
BFS
28h 15m
3 stops
£613Multiple Airlines
Wed, 19 Aug - Thu, 27 Aug
Multiple Airlines Logo
06:30 - 10:16
BFS
-
ORD
33h 46m
3 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£619Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 10:16
BFS
-
ORD
33h 46m
3 stops
Multiple Airlines Logo
22:25 - 20:40
ORD
-
BFS
16h 15m
2 stops
£628Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
08:00 - 16:57
BFS
-
ORD
14h 57m
2 stops
Multiple Airlines Logo
19:25 - 20:40
ORD
-
BFS
19h 15m
2 stops
£630Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
06:30 - 22:05
BFS
-
ORD
21h 35m
2 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£639Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
KLM Logo
17:20 - 16:37
BHD
-
ORD
29h 17m
2 stops
KLM Logo
11:30 - 09:10
ORD
-
BHD
15h 40m
2 stops
£724KLM
Tue, 17 Nov - Sat, 28 Nov
Virgin Atlantic Logo
17:30 - 14:15
BHD
-
ORD
26h 45m
1 stop
Virgin Atlantic Logo
16:50 - 16:55
ORD
-
BHD
18h 05m
1 stop
£756Virgin Atlantic
Mon, 31 Aug - Mon, 7 Sep
KLM Logo
17:30 - 14:59
BHD
-
ORD
27h 29m
2 stops
KLM Logo
16:50 - 16:55
ORD
-
BHD
18h 05m
1 stop
£760KLM
Mon, 31 Aug - Mon, 7 Sep

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KLM flights from Northern Ireland to Chicago

Our best KLM deals on Northern Ireland to Chicago flight tickets
KLM
17 Nov
BHD17:20Belfast City
29h 17m
2 stops
ORD16:37Chicago O'Hare Intl
28 Nov
ORD11:30Chicago O'Hare Intl
15h 40m
2 stops
BHD09:10Belfast City
£724
KLM
31 Aug
BHD17:30Belfast City
27h 29m
2 stops
ORD14:59Chicago O'Hare Intl
7 Sept
ORD16:50Chicago O'Hare Intl
18h 05m
1 stop
BHD16:55Belfast City
£760

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 10 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
Fastest return journey

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 19/8

07:35-19:52

2 stops18h 17m

Chicago O'Hare Intl

Thu 27/8

19:25-15:50

2 stops14h 25m

£602

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

20:35-22:05

3 stops31h 30m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£605

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 19/8

22:45-16:57

2 stops24h 12m

Chicago O'Hare Intl

Thu 27/8

08:40-18:55

3 stops28h 15m

£613

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£619

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 31/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Mon 7/9

22:25-20:40

2 stops16h 15m

£628

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 31/8

08:00-16:57

2 stops14h 57m

Chicago O'Hare Intl

Mon 7/9

19:25-20:40

2 stops19h 15m

£630

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

06:30-22:05

2 stops21h 35m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£639

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 17/11

17:20-16:37

2 stops29h 17m

Chicago O'Hare Intl

Sat 28/11

11:30-09:10

2 stops15h 40m

£724

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£756

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:59

2 stops27h 29m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£760

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 and Virgin Atlantic are the most popular carriers 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 10m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 12h 10m
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 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.

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