Cheap flights from Northern Ireland to Chicago from £373

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 26/10. 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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Cheap return flights

British Airways Logo
06:50 - 14:50BHD-ORD
14h 00m1 stop
British Airways Logo
17:40 - 10:35ORD-BHD
10h 55m1 stop
£486British Airways
Find Deal
Mi, 24 Sep - Di, 21 Okt
American Airlines Logo
11:05 - 17:00BHD-ORD
11h 55m1 stop
American Airlines Logo
21:45 - 14:15ORD-BHD
11h 30m1 stop
£490American Airlines
Find Deal
Do, 5 Mrz - Mo, 9 Mrz
American Airlines Logo
09:05 - 17:00BHD-ORD
13h 55m1 stop
American Airlines Logo
21:45 - 14:15ORD-BHD
11h 30m1 stop
£491American Airlines
Find Deal
Do, 5 Mrz - Mo, 9 Mrz
Delta Logo
06:30 - 14:40BHD-ORD
14h 10m1 stop
Delta Logo
15:50 - 21:15ORD-BHD
23h 25m2 stops
£494Delta
Find Deal
Mi, 24 Sep - Di, 21 Okt
Delta Logo
06:30 - 14:40BHD-ORD
14h 10m1 stop
Delta Logo
17:40 - 21:15ORD-BHD
21h 35m2 stops
£495Delta
Find Deal
Mi, 24 Sep - Di, 21 Okt
Delta Logo
06:30 - 17:59BHD-ORD
17h 29m2 stops
Delta Logo
11:02 - 16:55ORD-BHD
23h 53m2 stops
£498Delta
Find Deal
Mi, 24 Sep - Di, 21 Okt
Delta Logo
06:30 - 21:15BHD-ORD
20h 45m2 stops
Delta Logo
16:56 - 16:55ORD-BHD
17h 59m2 stops
£499Delta
Find Deal
Mi, 24 Sep - Di, 21 Okt

Delta flights from Northern Ireland to Chicago

Our best Delta deals on Northern Ireland to Chicago flight tickets
Delta
24 Sept
BHD06:30Belfast City
14h 10m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD15:50Chicago O'Hare Intl
23h 25m
2 stops
BHD21:15Belfast City
Delta
24 Sept
BHD06:30Belfast City
14h 10m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD17:40Chicago O'Hare Intl
21h 35m
2 stops
BHD21:15Belfast City
Delta
24 Sept
BHD06:30Belfast City
17h 29m
2 stops
ORD17:59Chicago O'Hare Intl
21 Oct
ORD11:02Chicago O'Hare Intl
23h 53m
2 stops
BHD16:55Belfast City

American Airlines flights from Northern Ireland to Chicago

Our best American Airlines deals on Northern Ireland to Chicago flight tickets
American Airlines
5 Mar
BHD11:05Belfast City
11h 55m
1 stop
ORD17:00Chicago O'Hare Intl
9 Mar
ORD21:45Chicago O'Hare Intl
11h 30m
1 stop
BHD14:15Belfast City
American Airlines
5 Mar
BHD09:05Belfast City
13h 55m
1 stop
ORD17:00Chicago O'Hare Intl
9 Mar
ORD21:45Chicago O'Hare Intl
11h 30m
1 stop
BHD14:15Belfast City

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 12 September 2025.
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

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mi 24/9

06:50-14:50

1 stop14h 00m

Chicago O'Hare Intl

Di 21/10

17:40-10:35

1 stop10h 55m

£486

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Do 5/3

11:05-17:00

1 stop11h 55m

Chicago O'Hare Intl

Mo 9/3

21:45-14:15

1 stop11h 30m

£490

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Do 5/3

09:05-17:00

1 stop13h 55m

Chicago O'Hare Intl

Mo 9/3

21:45-14:15

1 stop11h 30m

£491

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mi 24/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Di 21/10

15:50-21:15

2 stops23h 25m

£494

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mi 24/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Di 21/10

17:40-21:15

2 stops21h 35m

£495

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mi 24/9

06:30-17:59

2 stops17h 29m

Chicago O'Hare Intl

Di 21/10

11:02-16:55

2 stops23h 53m

£498

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mi 24/9

06:30-21:15

2 stops20h 45m

Chicago O'Hare Intl

Di 21/10

16:56-16:55

2 stops17h 59m

£499

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

So 26/10

22:45-16:23

2 stops46h 38m

£373

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

So 26/10

05:45-12:45

3 stops60h 00m

£384

BelfastChicago

BHD - ORD

BHDORD

Belfast City

So 26/10

15:05-16:23

2 stops54h 18m

£413

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as £585. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £816.

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

Direct flights

None
There are no direct flights from Northern Ireland to Chicago. There are no popular flight routes 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 £479Free CancellationRating
6.6
7,361 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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1 adult
So 12/10
So 19/10

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