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Cheap flights from Northern Ireland to Chicago from $438

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 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Northern Ireland to Chicago

Cheap round-trip flights

Delta Logo
6:30 am - 2:40 pmBHD-ORD
14h 10m1 stop
Delta Logo
11:02 am - 4:55 pmORD-BHD
23h 53m2 stops
$666Delta
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Wed, Sep 24 - Tue, Oct 21
KLM Logo
6:30 am - 2:40 pmBHD-ORD
14h 10m1 stop
KLM Logo
4:15 pm - 4:55 pmORD-BHD
18h 40m1 stop
$667KLM
Find Deal
Wed, Sep 24 - Tue, Oct 21
Delta Logo
6:30 am - 5:45 pmBHD-ORD
17h 15m2 stops
Delta Logo
5:40 pm - 9:15 pmORD-BHD
21h 35m2 stops
$672Delta
Find Deal
Wed, Sep 24 - Tue, Oct 21
Logo
7:25 am - 12:35 pmBFS-ORD
35h 10m3 stops
Logo
6:00 am - 3:50 pmORD-BFS
27h 50m2 stops
$694
Find Deal
Wed, Oct 1 - Mon, Oct 6
Logo
5:20 pm - 12:35 pmBFS-ORD
25h 15m2 stops
Logo
6:00 am - 3:50 pmORD-BFS
27h 50m2 stops
$715
Find Deal
Wed, Oct 1 - Mon, Oct 6
Logo
7:25 am - 12:35 pmBFS-ORD
35h 10m3 stops
Logo
8:40 am - 4:10 pmORD-BFS
25h 30m3 stops
$724
Find Deal
Wed, Oct 1 - Mon, Oct 6
Logo
4:50 pm - 4:10 pmBFS-ORD
29h 20m2 stops
Logo
9:55 am - 5:50 pmORD-BFS
25h 55m3 stops
$870
Find Deal
Sat, Oct 11 - Sat, Oct 18
Logo
12:35 pm - 3:55 pmBFS-ORD
33h 20m2 stops
Logo
8:40 am - 7:05 pmORD-BFS
28h 25m2 stops
$885
Find Deal
Sat, Oct 11 - Sat, Oct 18
Logo
7:35 pm - 9:15 pmBFS-ORD
31h 40m3 stops
Logo
9:55 am - 5:50 pmORD-BFS
25h 55m3 stops
$927
Find Deal
Sat, Oct 11 - Sat, Oct 18

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
Sep 24
BHD6:30 amBelfast City
14h 10m
1 stop
ORD2:40 pmChicago O'Hare Intl
Oct 21
ORD11:02 amChicago O'Hare Intl
23h 53m
2 stops
BHD4:55 pmBelfast City
$666
Find similar
Delta
Sep 24
BHD6:30 amBelfast City
17h 15m
2 stops
ORD5:45 pmChicago O'Hare Intl
Oct 21
ORD5:40 pmChicago O'Hare Intl
21h 35m
2 stops
BHD9:15 pmBelfast City
$672
Find similar
Delta
Sep 8
BHD6:30 amBelfast City
14h 10m
1 stop
ORD2:40 pmChicago O'Hare Intl
Sep 15
ORD1:00 pmChicago O'Hare Intl
21h 55m
2 stops
BHD4:55 pmBelfast City
$710
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 29, 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

BHD - ORD

BHDORD

Belfast City

Wed 9/24

6:30 am-2:40 pm

1 stop14h 10m

Chicago O'Hare Intl

Tue 10/21

11:02 am-4:55 pm

2 stops23h 53m

$666

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 9/24

6:30 am-2:40 pm

1 stop14h 10m

Chicago O'Hare Intl

Tue 10/21

4:15 pm-4:55 pm

1 stop18h 40m

$667

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 9/24

6:30 am-5:45 pm

2 stops17h 15m

Chicago O'Hare Intl

Tue 10/21

5:40 pm-9:15 pm

2 stops21h 35m

$672

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/1

7:25 am-12:35 pm

3 stops35h 10m

Chicago O'Hare Intl

Mon 10/6

6:00 am-3:50 pm

2 stops27h 50m

$694

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/1

5:20 pm-12:35 pm

2 stops25h 15m

Chicago O'Hare Intl

Mon 10/6

6:00 am-3:50 pm

2 stops27h 50m

$715

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/1

7:25 am-12:35 pm

3 stops35h 10m

Chicago O'Hare Intl

Mon 10/6

8:40 am-4:10 pm

3 stops25h 30m

$724

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 10/11

4:50 pm-4:10 pm

2 stops29h 20m

Chicago O'Hare Intl

Sat 10/18

9:55 am-5:50 pm

3 stops25h 55m

$870

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 10/11

12:35 pm-3:55 pm

2 stops33h 20m

Chicago O'Hare Intl

Sat 10/18

8:40 am-7:05 pm

2 stops28h 25m

$885

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 10/11

7:35 pm-9:15 pm

3 stops31h 40m

Chicago O'Hare Intl

Sat 10/18

9:55 am-5:50 pm

3 stops25h 55m

$927

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 9/24

9:05 am-12:35 pm

3 stops33h 30m

$438

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 airline that flies from Northern Ireland to Chicago O'Hare Intl?

Virgin Atlantic is the most popular carrier operating from Northern Ireland to Chicago O'Hare Intl

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 are updated daily.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
South Haven
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Orland Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Chicago for you.

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

Yes. All flights to Chicago from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Northern Ireland to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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