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Cheap flights from Northern Ireland to Chicago from £289

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 1/11. 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

Multiple Airlines Logo
06:00 - 17:45BFS-ORD
16h 45m2 stops
Multiple Airlines Logo
19:20 - 22:40ORD-BFS
21h 20m2 stops
£456Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
06:00 - 17:45BFS-ORD
16h 45m2 stops
Multiple Airlines Logo
19:20 - 22:40ORD-BFS
21h 20m3 stops
£459Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
American Airlines Logo
11:05 - 18:45BHD-ORD
13h 40m1 stop
American Airlines Logo
21:45 - 14:15ORD-BHD
11h 30m1 stop
£489American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
06:35 - 13:50BHD-ORD
13h 15m1 stop
American Airlines Logo
22:45 - 18:35ORD-BHD
14h 50m1 stop
£490American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
05:45 - 15:45BFS-ORD
39h 00m3 stops
Multiple Airlines Logo
19:20 - 22:40ORD-BFS
21h 20m3 stops
£596Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov

American Airlines flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best American Airlines deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
American Airlines
5 Mar
BHD11:05Belfast City
13h 40m
1 stop
ORD18:45Chicago O'Hare Intl
9 Mar
ORD21:45Chicago O'Hare Intl
11h 30m
1 stop
BHD14:15Belfast City
£489
Find similar
American Airlines
5 Mar
BHD06:35Belfast City
13h 15m
1 stop
ORD13:50Chicago O'Hare Intl
9 Mar
ORD22:45Chicago O'Hare Intl
14h 50m
1 stop
BHD18:35Belfast City
£490
Find similar

Delta flights from Northern Ireland to Chicago O'Hare Intl Airport

Our best Delta deals on Northern Ireland to Chicago O'Hare Intl Airport flight tickets
Delta
24 Sept
BHD06:30Belfast City
14h 10m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD11:02Chicago O'Hare Intl
23h 53m
2 stops
BHD16:55Belfast City
£492
Find similar
Delta
24 Sept
BHD06:30Belfast City
17h 15m
2 stops
ORD17:45Chicago O'Hare Intl
21 Oct
ORD11:02Chicago O'Hare Intl
23h 53m
2 stops
BHD16:55Belfast City
£497
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Chicago O'Hare Intl Airport 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 18 September 2025.
Use the filters below to find and compare flights from Northern Ireland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/11

06:00-17:45

2 stops16h 45m

Chicago O'Hare Intl

Sat 8/11

19:20-22:40

2 stops21h 20m

£456

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/11

06:00-17:45

2 stops16h 45m

Chicago O'Hare Intl

Sat 8/11

19:20-22:40

3 stops21h 20m

£459

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

11:05-18:45

1 stop13h 40m

Chicago O'Hare Intl

Mon 9/3

21:45-14:15

1 stop11h 30m

£489

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

Mon 9/3

22:45-18:35

1 stop14h 50m

£490

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/11

05:45-15:45

3 stops39h 00m

Chicago O'Hare Intl

Sat 8/11

19:20-22:40

3 stops21h 20m

£596

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/11

08:10-01:11

3 stops46h 01m

£289

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 1/11

08:10-13:26

2 stops34h 16m

£299

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Northern Ireland to Chicago O'Hare Intl Airport

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 time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the morning when flights can be purchased for as low as £607. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £616.

Cheap Northern Ireland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Chicago O'Hare Intl Airport

Direct flights

None
There are no direct flights from Northern Ireland to Chicago O'Hare Intl Airport. There are no popular flight routes from Northern Ireland to Chicago O'Hare Intl Airport.
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  • When did momondo last update prices for flights from Northern Ireland to Chicago O'Hare Intl Airport?

    Prices for flights from Northern Ireland to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Northern Ireland to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Northern Ireland to Chicago O'Hare Intl Airport?

    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 O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Northern Ireland to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Northern Ireland to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £476Free CancellationRating
6.7
7,367 reviews
Search British Airways flights

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Lake Geneva
Oak Brook
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Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Chicago?

Finding the right flight to Chicago from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Chicago.

I’m not ready to book a flight from Northern Ireland to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Northern Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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