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.

$438 Cheap Flights from Northern Ireland to Illinois in 2026

1 adult

0 bags

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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.

6:00 pm - 6:15 pm

BFS

ORD

30h 15m

2 stops

10:25 pm - 7:55 pm

ORD

BFS

15h 30m

2 stops

$819Multiple Airlines

Sun, Jun 21 - Sun, Jun 28

8:30 am - 7:15 pm

BFS

ORD

40h 45m

3 stops

7:25 pm - 7:30 pm

ORD

BFS

18h 05m

2 stops

$937Multiple Airlines

Wed, Aug 19 - Thu, Sep 17

8:30 am - 7:15 pm

BFS

ORD

40h 45m

3 stops

7:25 pm - 5:05 pm

ORD

BFS

15h 40m

2 stops

$944Multiple Airlines

Wed, Aug 19 - Wed, Sep 16

8:30 am - 7:15 pm

BFS

ORD

40h 45m

3 stops

10:25 pm - 11:10 pm

ORD

BFS

18h 45m

3 stops

$978Multiple Airlines

Wed, Aug 19 - Wed, Sep 16

6:10 am - 9:00 am

BFS

ORD

32h 50m

3 stops

9:55 am - 3:55 pm

ORD

BFS

24h 00m

2 stops

$990Multiple Airlines

Thu, Jun 11 - Wed, Jun 17

10:30 pm - 1:05 pm

BFS

ORD

44h 35m

3 stops

2:15 pm - 3:15 pm

ORD

BFS

19h 00m

2 stops

$995Multiple Airlines

Tue, Jun 9 - Tue, Jun 23

9:40 am - 5:35 pm

BHD

ORD

13h 55m

1 stop

9:15 pm - 5:35 pm

ORD

BHD

14h 20m

1 stop

$1,054British Airways

Tue, Jun 9 - Tue, Jun 23

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

4:50 pm - 9:20 am

ORD

BHD

10h 30m

1 stop

$1,103Virgin Atlantic

Mon, Jun 22 - Mon, Jun 29

9:50 am - 9:25 pm

BHD

ORD

17h 35m

2 stops

7:17 pm - 4:55 pm

ORD

BHD

15h 38m

2 stops

$1,118KLM

Tue, Jun 9 - Tue, Jun 23

6:30 am - 1:50 pm

BHD

ORD

13h 20m

1 stop

7:05 pm - 1:35 pm

ORD

BHD

12h 30m

1 stop

$1,141British Airways

Wed, Aug 19 - Wed, Sep 16

British Airways flights from Northern Ireland to Illinois

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

British Airways

Jun 9

BHD9:40 amBelfast City

13h 55m

1 stop

ORD5:35 pmChicago O'Hare Intl

Jun 23

ORD9:15 pmChicago O'Hare Intl

14h 20m

1 stop

BHD5:35 pmBelfast City

$1,054

British Airways

Aug 19

BHD6:30 amBelfast City

15h 25m

1 stop

ORD3:55 pmChicago O'Hare Intl

Sep 17

ORD1:59 pmChicago O'Hare Intl

14h 11m

2 stops

BHD10:10 amBelfast City

$1,141

British Airways

Aug 19

BHD10:05 amBelfast City

11h 50m

1 stop

ORD3:55 pmChicago O'Hare Intl

Sep 16

ORD4:51 pmChicago O'Hare Intl

14h 44m

2 stops

BHD1:35 pmBelfast City

$1,153

KLM flights from Northern Ireland to Illinois

Our best KLM deals on Northern Ireland to Illinois flight tickets

KLM

Jun 9

BHD9:50 amBelfast City

17h 35m

2 stops

ORD9:25 pmChicago O'Hare Intl

Jun 23

ORD7:17 pmChicago O'Hare Intl

15h 38m

2 stops

BHD4:55 pmBelfast City

$1,118

KLM

May 22

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

May 25

ORD4:50 pmChicago O'Hare Intl

10h 30m

1 stop

BHD9:20 amBelfast City

$1,537

KLM

May 22

BHD9:50 amBelfast City

16h 24m

2 stops

ORD8:14 pmChicago O'Hare Intl

May 25

ORD11:09 amChicago O'Hare Intl

16h 11m

2 stops

BHD9:20 amBelfast City

$1,542

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 6/21

6:00 pm-6:15 pm

2 stops30h 15m

Chicago O'Hare Intl

Sun 6/28

10:25 pm-7:55 pm

2 stops15h 30m

$819

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/19

8:30 am-7:15 pm

3 stops40h 45m

Chicago O'Hare Intl

Thu 9/17

7:25 pm-7:30 pm

2 stops18h 05m

$937

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/19

8:30 am-7:15 pm

3 stops40h 45m

Chicago O'Hare Intl

Wed 9/16

7:25 pm-5:05 pm

2 stops15h 40m

$944

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 8/19

8:30 am-7:15 pm

3 stops40h 45m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-11:10 pm

3 stops18h 45m

$978

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 6/11

6:10 am-9:00 am

3 stops32h 50m

Chicago O'Hare Intl

Wed 6/17

9:55 am-3:55 pm

2 stops24h 00m

$990

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 6/9

10:30 pm-1:05 pm

3 stops44h 35m

Chicago O'Hare Intl

Tue 6/23

2:15 pm-3:15 pm

2 stops19h 00m

$995

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 6/9

9:40 am-5:35 pm

1 stop13h 55m

Chicago O'Hare Intl

Tue 6/23

9:15 pm-5:35 pm

1 stop14h 20m

$1,054

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 6/22

5:30 pm-2:15 pm

1 stop26h 45m

Chicago O'Hare Intl

Mon 6/29

4:50 pm-9:20 am

1 stop10h 30m

$1,103

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 6/9

9:50 am-9:25 pm

2 stops17h 35m

Chicago O'Hare Intl

Tue 6/23

7:17 pm-4:55 pm

2 stops15h 38m

$1,118

Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 8/19

6:30 am-1:50 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 9/16

7:05 pm-1:35 pm

1 stop12h 30m

$1,141

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Fastest flight time	36h 10m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 36h 10m

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.