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

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 Chicago O'Hare Intl Airport to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£231 Cheap Flights from Chicago O'Hare Intl Airport to Northern Ireland in 2026

Find the cheapest flights from Chicago O'Hare Intl Airport to Northern Ireland

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:25 - 21:50ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

20:10 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl

£555Multiple Airlines

Sun, 4 Oct - Wed, 14 Oct

19:25 - 22:30ORD Chicago O'Hare Intl-BFS Belfast Intl

21h 05m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bristol

20:10 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl

£587Multiple Airlines

Sun, 4 Oct - Wed, 14 Oct

19:25 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

09:10 - 14:15BFS Belfast Intl-ORD Chicago O'Hare Intl

35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol

£600Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

19:25 - 21:50ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

07:35 - 16:00BFS Belfast Intl-ORD Chicago O'Hare Intl

38h 25m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado

£603Multiple Airlines

Sun, 13 Sep - Tue, 29 Sep

19:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

09:35 - 12:40BFS Belfast Intl-ORD Chicago O'Hare Intl

33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£607Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

19:25 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

09:10 - 14:15BFS Belfast Intl-ORD Chicago O'Hare Intl

35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol

£608Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

19:25 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

09:10 - 14:15BFS Belfast Intl-ORD Chicago O'Hare Intl

35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol

£609Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

22:25 - 21:10ORD Chicago O'Hare Intl-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl

09:35 - 12:40BFS Belfast Intl-ORD Chicago O'Hare Intl

33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£611Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

19:25 - 21:50ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

07:35 - 16:00BFS Belfast Intl-ORD Chicago O'Hare Intl

38h 25m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado

£612Multiple Airlines

Sun, 13 Sep - Tue, 29 Sep

19:25 - 20:55ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Manchester

09:10 - 14:15BFS Belfast Intl-ORD Chicago O'Hare Intl

35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol

£613Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:20 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

11h 00m1 stop Amsterdam Schiphol

17:30 - 14:15BHD Belfast City-ORD Chicago O'Hare Intl

26h 45m1 stop Amsterdam Schiphol

£861Delta

Thu, 20 Aug - Mon, 31 Aug

08:28 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

18h 52m2 stops Minneapolis St Paul Amsterdam Schiphol

17:30 - 14:15BHD Belfast City-ORD Chicago O'Hare Intl

26h 45m1 stop Amsterdam Schiphol

£864Delta

Thu, 20 Aug - Mon, 31 Aug

16:20 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

11h 00m1 stop Amsterdam Schiphol

09:50 - 20:30BHD Belfast City-ORD Chicago O'Hare Intl

16h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£868Delta

Thu, 20 Aug - Thu, 27 Aug

06:00 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

21h 20m2 stops Minneapolis St Paul Amsterdam Schiphol

09:50 - 20:30BHD Belfast City-ORD Chicago O'Hare Intl

16h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£871Delta

Thu, 20 Aug - Fri, 28 Aug

16:20 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

11h 00m1 stop Amsterdam Schiphol

17:30 - 14:15BHD Belfast City-ORD Chicago O'Hare Intl

26h 45m1 stop Amsterdam Schiphol

£898Delta

Thu, 20 Aug - Fri, 28 Aug

10:07 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

17h 13m2 stops New York John F Kennedy Intl Amsterdam Schiphol

17:30 - 14:30BHD Belfast City-ORD Chicago O'Hare Intl

27h 00m1 stop Amsterdam Schiphol

£901Delta

Thu, 20 Aug - Sun, 30 Aug

12:29 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

14h 51m2 stops Minneapolis St Paul Amsterdam Schiphol

09:50 - 20:30BHD Belfast City-ORD Chicago O'Hare Intl

16h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£908KLM

Thu, 20 Aug - Mon, 31 Aug

21:10 - 22:40ORD Chicago O'Hare Intl-BFS Belfast Intl

43h 30m2 stops Orlando London Gatwick

05:50 - 15:10BFS Belfast Intl-ORD Chicago O'Hare Intl

15h 20m1 stop Krakow J. Paul II Balice

£1,032Multiple Airlines

Fri, 21 Aug - Mon, 31 Aug

21:00 - 07:50ORD Chicago O'Hare Intl-BFS Belfast Intl

28h 50m2 stops Dublin Edinburgh Turnhouse

05:50 - 15:10BFS Belfast Intl-ORD Chicago O'Hare Intl

15h 20m1 stop Krakow J. Paul II Balice

£1,070Multiple Airlines

Thu, 20 Aug - Mon, 31 Aug

08:45 - 08:50ORD Chicago O'Hare Intl-BHD Belfast City

42h 05m3 stops San Francisco Hong Kong Intl London Heathrow

06:30 - 14:20BHD Belfast City-ORD Chicago O'Hare Intl

37h 50m2 stops London Heathrow Hong Kong Intl

£10,289Multiple Airlines

Thu, 20 Aug - Sun, 30 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Chicago O'Hare Intl Airport to Northern Ireland

Our best British Airways deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets

British Airways

15 Nov

ORD17:10Chicago O'Hare Intl

11h 35m

1 stop

BHD10:45Belfast City

19 Nov

BHD07:40Belfast City

12h 05m

1 stop

ORD13:45Chicago O'Hare Intl

£662

British Airways

4 Oct

ORD21:15Chicago O'Hare Intl

11h 20m

1 stop

BHD14:35Belfast City

14 Oct

BHD06:30Belfast City

13h 20m

1 stop

ORD13:50Chicago O'Hare Intl

£686

British Airways

28 Sept

ORD10:11Chicago O'Hare Intl

16h 39m

2 stops

BHD08:50Belfast City

5 Oct

BHD19:35Belfast City

24h 15m

1 stop

ORD13:50Chicago O'Hare Intl

£688

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

Our best Delta deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets

Delta

23 Nov

ORD16:25Chicago O'Hare Intl

10h 45m

1 stop

BHD09:10Belfast City

2 Dec

BHD17:20Belfast City

27h 05m

1 stop

ORD14:25Chicago O'Hare Intl

£669

Delta

23 Nov

ORD08:45Chicago O'Hare Intl

18h 25m

2 stops

BHD09:10Belfast City

2 Dec

BHD17:20Belfast City

27h 05m

1 stop

ORD14:25Chicago O'Hare Intl

£672

Delta

23 Nov

ORD16:25Chicago O'Hare Intl

18h 25m

1 stop

BHD16:50Belfast City

27 Nov

BHD09:40Belfast City

16h 45m

2 stops

ORD20:25Chicago O'Hare Intl

£676

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-21:50

2 stops20h 25m

Belfast Intl

Wed 14/10

20:10-18:15

3 stops28h 05m

£555

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-22:30

3 stops21h 05m

Belfast Intl

Wed 14/10

20:10-18:15

3 stops28h 05m

£587

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£600

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 13/9

19:25-21:50

2 stops20h 25m

Belfast Intl

Tue 29/9

07:35-16:00

3 stops38h 25m

£603

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 30/9

19:25-21:10

2 stops19h 45m

Belfast Intl

Wed 7/10

09:35-12:40

2 stops33h 05m

£607

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£608

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£609

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 30/9

22:25-21:10

2 stops16h 45m

Belfast Intl

Wed 7/10

09:35-12:40

2 stops33h 05m

£611

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 13/9

19:25-21:50

2 stops20h 25m

Belfast Intl

Tue 29/9

07:35-16:00

3 stops38h 25m

£612

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£613

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Chicago O'Hare Intl to Northern Ireland?

British Airways and Aer Lingus are the most popular carriers operating from Chicago O'Hare Intl to Northern Ireland

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

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

Best price found	£231
Fastest flight time	11h 20m
Direct flights	None

The best one-way flight to Northern Ireland from Chicago O'Hare Intl Airport in the past 72 hours is £231. The best return flight deal from Chicago O'Hare Intl Airport to Northern Ireland found on momondo in the last 72 hours is £555.

The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 11h 20m

There are no direct flights from Chicago O'Hare Intl Airport to Northern Ireland. There are no popular flight routes from Chicago O'Hare Intl Airport to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Northern Ireland

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Northern Ireland?
Prices for flights from Chicago O'Hare Intl Airport to Northern Ireland were last updated today.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Northern Ireland?
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 Chicago O'Hare Intl Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Chicago.

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

momondo does allow users to show only those flights to Northern Ireland from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Chicago and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.