How do I get Price Alerts for flights from Northern Ireland to Illinois?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Illinois . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Northern Ireland to Illinois with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Northern Ireland to Illinois?

Prices for flights from Northern Ireland to Illinois refresh daily.

How old do you have to be to fly from Northern Ireland to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$447 Cheap Flights from Northern Ireland to Illinois in 2026/27

Find the cheapest flights from Northern Ireland to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 5:20 pmBHD Belfast City-ORD Chicago O'Hare Intl

31h 45m3 stops Aberdeen Dyce Bergen Flesland Reykjavik Keflavik Intl

7:00 pm - 8:30 pmORD Chicago O'Hare Intl-BHD Belfast City

19h 30m2 stops Lisbon Humberto Delgado London Gatwick

$1,003Multiple Airlines

Wed, Nov 18 - Wed, Dec 2

2:00 pm - 5:20 pmBHD Belfast City-ORD Chicago O'Hare Intl

33h 20m3 stops Birmingham Dublin Reykjavik Keflavik Intl

6:30 pm - 9:20 amORD Chicago O'Hare Intl-BHD Belfast City

32h 50m3 stops Reykjavik Keflavik Intl Dublin Edinburgh Turnhouse

$1,014Multiple Airlines

Tue, Nov 24 - Sat, Nov 28

6:35 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

18h 10m1 stop London Heathrow

8:00 pm - 2:15 pmORD Chicago O'Hare Intl-BHD Belfast City

12h 15m1 stop London Heathrow

$1,051Iberia

Sat, Nov 21 - Sat, Nov 28

12:20 pm - 7:30 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 10m1 stop London Heathrow

6:35 pm - 1:15 pmORD Chicago O'Hare Intl-BHD Belfast City

12h 40m1 stop London Heathrow

$1,060British Airways

Wed, Nov 18 - Wed, Dec 2

9:40 am - 8:49 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

4:25 pm - 4:45 pmORD Chicago O'Hare Intl-BHD Belfast City

18h 20m1 stop Amsterdam Schiphol

$1,078KLM

Wed, Nov 18 - Wed, Dec 2

9:40 am - 8:49 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

11:39 am - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

15h 31m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$1,083KLM

Wed, Nov 18 - Wed, Dec 2

3:00 pm - 6:20 pmBHD Belfast City-ORD Chicago O'Hare Intl

33h 20m2 stops Birmingham Dublin

3:55 pm - 1:10 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 15m2 stops Dublin Birmingham

$1,094Aer Lingus

Tue, Nov 24 - Sat, Nov 28

9:40 am - 11:54 pmBHD Belfast City-ORD Chicago O'Hare Intl

20h 14m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

4:25 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

$1,102Delta

Sat, Nov 21 - Sat, Nov 28

5:15 pm - 7:55 pmBHD Belfast City-ORD Chicago O'Hare Intl

32h 40m2 stops Amsterdam Schiphol Warsaw Frederic Chopin

9:50 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

29h 20m2 stops Warsaw Frederic Chopin Amsterdam Schiphol

$1,131Multiple Airlines

Sat, Nov 21 - Sat, Nov 28

6:35 am - 7:30 pmBHD Belfast City-ORD Chicago O'Hare Intl

18h 55m1 stop London Heathrow

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,138British Airways

Wed, Nov 4 - Sun, Nov 8

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 Northern Ireland to Illinois

Our best British Airways deals on Northern Ireland to Illinois flight tickets

British Airways

Nov 18

BHD12:20 pmBelfast City

13h 10m

1 stop

ORD7:30 pmChicago O'Hare Intl

Dec 2

ORD6:35 pmChicago O'Hare Intl

12h 40m

1 stop

BHD1:15 pmBelfast City

$1,060

British Airways

Nov 4

BHD6:35 amBelfast City

18h 55m

1 stop

ORD7:30 pmChicago O'Hare Intl

Nov 8

ORD9:50 pmChicago O'Hare Intl

15h 00m

1 stop

BHD6:50 pmBelfast City

$1,138

British Airways

Nov 5

BHD6:30 amBelfast City

19h 00m

1 stop

ORD7:30 pmChicago O'Hare Intl

Nov 9

ORD2:31 pmChicago O'Hare Intl

14h 19m

2 stops

BHD10:50 amBelfast City

$1,140

KLM flights from Northern Ireland to Illinois

Our best KLM deals on Northern Ireland to Illinois flight tickets

KLM

Nov 18

BHD9:40 amBelfast City

17h 09m

2 stops

ORD8:49 pmChicago O'Hare Intl

Dec 2

ORD4:25 pmChicago O'Hare Intl

18h 20m

1 stop

BHD4:45 pmBelfast City

$1,078

KLM

Nov 18

BHD9:40 amBelfast City

17h 09m

2 stops

ORD8:49 pmChicago O'Hare Intl

Dec 2

ORD11:39 amChicago O'Hare Intl

15h 31m

2 stops

BHD9:10 amBelfast City

$1,083

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 11/18

3:35 pm-5:20 pm

3 stops31h 45m

Chicago O'Hare Intl

Wed 12/2

7:00 pm-8:30 pm

2 stops19h 30m

$1,003

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Tue 11/24

2:00 pm-5:20 pm

3 stops33h 20m

Chicago O'Hare Intl

Sat 11/28

6:30 pm-9:20 am

3 stops32h 50m

$1,014

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sat 11/21

6:35 am-6:45 pm

1 stop18h 10m

Chicago O'Hare Intl

Sat 11/28

8:00 pm-2:15 pm

1 stop12h 15m

$1,051

Quickest round-trip

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 11/18

12:20 pm-7:30 pm

1 stop13h 10m

Chicago O'Hare Intl

Wed 12/2

6:35 pm-1:15 pm

1 stop12h 40m

$1,060

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 11/18

9:40 am-8:49 pm

2 stops17h 09m

Chicago O'Hare Intl

Wed 12/2

4:25 pm-4:45 pm

1 stop18h 20m

$1,078

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 11/18

9:40 am-8:49 pm

2 stops17h 09m

Chicago O'Hare Intl

Wed 12/2

11:39 am-9:10 am

2 stops15h 31m

$1,083

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Tue 11/24

3:00 pm-6:20 pm

2 stops33h 20m

Chicago O'Hare Intl

Sat 11/28

3:55 pm-1:10 pm

2 stops15h 15m

$1,094

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sat 11/21

9:40 am-11:54 pm

2 stops20h 14m

Chicago O'Hare Intl

Sat 11/28

4:25 pm-9:10 am

1 stop10h 45m

$1,102

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Sat 11/21

5:15 pm-7:55 pm

2 stops32h 40m

Chicago O'Hare Intl

Sat 11/28

9:50 pm-9:10 am

2 stops29h 20m

$1,131

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 11/4

6:35 am-7:30 pm

1 stop18h 55m

Chicago O'Hare Intl

Sun 11/8

9:50 pm-6:50 pm

1 stop15h 00m

$1,138

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

Cheap Northern Ireland to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Illinois

Best Price Found	$447
Fastest flight time	13h 40m
Direct flights	None

The best one-way flight to Illinois from Northern Ireland in the past 72 hours is $447. The best round-trip flight deal from Northern Ireland to Illinois found on momondo in the last 72 hours is $1,003.

The fastest flight from Northern Ireland to Illinois takes 13h 40m

There are no direct flights from Northern Ireland to Illinois. There are no popular flight routes from Northern Ireland to Illinois.

Search flight deals

Frequently asked questions about flying from Northern Ireland to Illinois

When did momondo last update prices for flights from Northern Ireland to Illinois?
Prices for flights from Northern Ireland to Illinois refresh daily.
How old do you have to be to fly from Northern Ireland to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Northern Ireland to Illinois

How do I get Price Alerts for flights from Northern Ireland to Illinois?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Illinois. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Northern Ireland to Illinois with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

It is quick and easy to find Northern Ireland to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

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

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

momondo helps you find the best flight between Northern Ireland and Illinois 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 Northern Ireland to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois 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.