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Cheap flights from Northern Ireland to Chicago from £340

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 23/6. 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
08:15 - 09:36
BFS
-
ORD
31h 21m
3 stops
Multiple Airlines Logo
19:25 - 16:15
ORD
-
BFS
14h 50m
2 stops
£575Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
08:15 - 23:07
BFS
-
ORD
20h 52m
2 stops
Multiple Airlines Logo
19:25 - 16:15
ORD
-
BFS
14h 50m
2 stops
£593Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
08:45 - 09:36
BHD
-
ORD
30h 51m
3 stops
Multiple Airlines Logo
16:50 - 16:50
ORD
-
BHD
18h 00m
2 stops
£634Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
08:45 - 09:36
BHD
-
ORD
30h 51m
3 stops
Multiple Airlines Logo
08:45 - 16:50
ORD
-
BHD
26h 05m
3 stops
£635Multiple Airlines
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
08:50 - 21:25
BFS
-
ORD
42h 35m
3 stops
Multiple Airlines Logo
19:25 - 16:20
ORD
-
BFS
14h 55m
2 stops
£643Multiple Airlines
Tue, 1 Sep - Tue, 29 Sep
Multiple Airlines Logo
07:00 - 23:07
BHD
-
ORD
22h 07m
2 stops
Multiple Airlines Logo
15:35 - 21:05
ORD
-
BHD
23h 30m
2 stops
£660Multiple Airlines
Mon, 27 Apr - Mon, 4 May
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
£684Virgin Atlantic
Mon, 27 Apr - Mon, 4 May
British Airways Logo
09:40 - 20:25
BHD
-
ORD
16h 45m
2 stops
British Airways Logo
13:59 - 10:45
ORD
-
BHD
14h 46m
2 stops
£686British Airways
Tue, 1 Sep - Tue, 29 Sep
British Airways Logo
20:10 - 12:20
BHD
-
ORD
22h 10m
1 stop
British Airways Logo
22:19 - 15:30
ORD
-
BHD
35h 11m
2 stops
£791British Airways
Sun, 19 Apr - Sun, 26 Apr
British Airways Logo
20:10 - 16:21
BHD
-
ORD
26h 11m
2 stops
British Airways Logo
20:57 - 12:55
ORD
-
BHD
33h 58m
2 stops
£805British Airways
Sun, 19 Apr - Sun, 26 Apr

British Airways flights from Northern Ireland to Chicago

Our best British Airways deals on Northern Ireland to Chicago flight tickets
British Airways
1 Sept
BHD09:40Belfast City
16h 45m
2 stops
ORD20:25Chicago O'Hare Intl
29 Sept
ORD13:59Chicago O'Hare Intl
14h 46m
2 stops
BHD10:45Belfast City
£686
British Airways
19 Apr
BHD20:10Belfast City
22h 10m
1 stop
ORD12:20Chicago O'Hare Intl
26 Apr
ORD22:19Chicago O'Hare Intl
35h 11m
2 stops
BHD15:30Belfast City
£791
British Airways
19 Apr
BHD20:10Belfast City
26h 11m
2 stops
ORD16:21Chicago O'Hare Intl
26 Apr
ORD20:57Chicago O'Hare Intl
33h 58m
2 stops
BHD12:55Belfast City
£805

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 28 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

BFS - ORD

BFSORD

Belfast Intl

Mon 27/4

08:15-09:36

3 stops31h 21m

Chicago O'Hare Intl

Mon 4/5

19:25-16:15

2 stops14h 50m

£575

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 27/4

08:15-23:07

2 stops20h 52m

Chicago O'Hare Intl

Mon 4/5

19:25-16:15

2 stops14h 50m

£593

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

08:45-09:36

3 stops30h 51m

Chicago O'Hare Intl

Mon 4/5

16:50-16:50

2 stops18h 00m

£634

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

08:45-09:36

3 stops30h 51m

Chicago O'Hare Intl

Mon 4/5

08:45-16:50

3 stops26h 05m

£635

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 1/9

08:50-21:25

3 stops42h 35m

Chicago O'Hare Intl

Tue 29/9

19:25-16:20

2 stops14h 55m

£643

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

07:00-23:07

2 stops22h 07m

Chicago O'Hare Intl

Mon 4/5

15:35-21:05

2 stops23h 30m

£660

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 4/5

16:50-16:55

1 stop18h 05m

£684
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 1/9

09:40-20:25

2 stops16h 45m

Chicago O'Hare Intl

Tue 29/9

13:59-10:45

2 stops14h 46m

£686

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 19/4

20:10-12:20

1 stop22h 10m

Chicago O'Hare Intl

Sun 26/4

22:19-15:30

2 stops35h 11m

£791

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 19/4

20:10-16:21

2 stops26h 11m

Chicago O'Hare Intl

Sun 26/4

20:57-12:55

2 stops33h 58m

£805

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?

Finnair and British Airways 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

13h 15m

Direct flights

None
The fastest flight from Northern Ireland to Chicago takes 13h 15m
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 £504Free CancellationRating
6.7
7,825 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