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Cheap flights from Northern Ireland to Chicago from $810

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Chicago departing on 12/6. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:20 am - 5:55 pmBFS-ORD
16h 35m2 stops
Multiple Airlines Logo
3:50 pm - 2:40 pmORD-BFS
16h 50m2 stops
$810Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
6:35 am - 5:00 pmBHD-ORD
16h 25m1 stop
American Airlines Logo
5:31 pm - 2:15 pmORD-BHD
15h 44m2 stops
$814American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
6:35 am - 5:00 pmBHD-ORD
16h 25m1 stop
American Airlines Logo
6:10 pm - 10:40 amORD-BHD
11h 30m1 stop
$816American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
6:35 am - 5:51 pmBHD-ORD
17h 16m2 stops
American Airlines Logo
5:31 pm - 2:15 pmORD-BHD
15h 44m2 stops
$819American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
9:05 am - 3:25 pmBHD-ORD
12h 20m1 stop
American Airlines Logo
10:45 pm - 2:15 pmORD-BHD
10h 30m1 stop
$820American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
6:35 am - 5:51 pmBHD-ORD
17h 16m2 stops
American Airlines Logo
6:30 pm - 2:15 pmORD-BHD
14h 45m2 stops
$821American Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
Aer Lingus Logo
5:55 pm - 5:55 pmBHD-ORD
30h 00m2 stops
Aer Lingus Logo
3:50 pm - 9:50 amORD-BHD
36h 00m2 stops
$894Aer Lingus
Find Deal
Sat, Dec 6 - Sat, Dec 13
British Airways Logo
6:35 am - 1:50 pmBHD-ORD
13h 15m1 stop
British Airways Logo
8:40 pm - 8:25 amORD-BHD
29h 45m2 stops
$906British Airways
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
8:30 am - 2:45 pmBFS-ORD
36h 15m3 stops
Multiple Airlines Logo
7:05 am - 12:45 pmORD-BFS
23h 40m2 stops
$912Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
6:35 am - 3:25 pmBHD-ORD
14h 50m1 stop
Multiple Airlines Logo
6:35 pm - 11:10 amORD-BHD
10h 35m1 stop
$931Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13

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
Mar 5
BHD6:35 amBelfast City
16h 25m
1 stop
ORD5:00 pmChicago O'Hare Intl
Mar 9
ORD5:31 pmChicago O'Hare Intl
15h 44m
2 stops
BHD2:15 pmBelfast City
$814
Find similar
American Airlines
Mar 5
BHD6:35 amBelfast City
16h 25m
1 stop
ORD5:00 pmChicago O'Hare Intl
Mar 9
ORD6:10 pmChicago O'Hare Intl
11h 30m
1 stop
BHD10:40 amBelfast City
$816
Find similar
American Airlines
Mar 5
BHD6:35 amBelfast City
17h 16m
2 stops
ORD5:51 pmChicago O'Hare Intl
Mar 9
ORD5:31 pmChicago O'Hare Intl
15h 44m
2 stops
BHD2:15 pmBelfast City
$819
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 November 6, 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 12/6

7:20 am-5:55 pm

2 stops16h 35m

Chicago O'Hare Intl

Sat 12/13

3:50 pm-2:40 pm

2 stops16h 50m

$810

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:00 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 3/9

5:31 pm-2:15 pm

2 stops15h 44m

$814

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:00 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 3/9

6:10 pm-10:40 am

1 stop11h 30m

$816

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:51 pm

2 stops17h 16m

Chicago O'Hare Intl

Mon 3/9

5:31 pm-2:15 pm

2 stops15h 44m

$819

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

9:05 am-3:25 pm

1 stop12h 20m

Chicago O'Hare Intl

Mon 3/9

10:45 pm-2:15 pm

1 stop10h 30m

$820

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:51 pm

2 stops17h 16m

Chicago O'Hare Intl

Mon 3/9

6:30 pm-2:15 pm

2 stops14h 45m

$821

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/6

5:55 pm-5:55 pm

2 stops30h 00m

Chicago O'Hare Intl

Sat 12/13

3:50 pm-9:50 am

2 stops36h 00m

$894

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/6

6:35 am-1:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 12/13

8:40 pm-8:25 am

2 stops29h 45m

$906

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 12/6

8:30 am-2:45 pm

3 stops36h 15m

Chicago O'Hare Intl

Sat 12/13

7:05 am-12:45 pm

2 stops23h 40m

$912

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 12/6

6:35 am-3:25 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 12/13

6:35 pm-11:10 am

1 stop10h 35m

$931

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

  • How do I get Price Alerts for flights from Northern Ireland to Chicago O'Hare Intl Airport?

    Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Northern Ireland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Northern Ireland to Chicago O'Hare Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Chicago?

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