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.

$660 Cheap Flights from Northern Ireland to Illinois in 2026

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.

8:35 pm - 8:29 pm

BFS

ORD

29h 54m

3 stops

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

3 stops

$804Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

6:30 am - 4:57 pm

BFS

ORD

16h 27m

2 stops

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

3 stops

$831Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

9:50 pm - 4:57 pm

BFS

ORD

25h 07m

2 stops

10:25 pm - 9:00 pm

ORD

BFS

16h 35m

2 stops

$890Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

7:00 am - 9:25 pm

BHD

ORD

20h 25m

2 stops

7:25 pm - 9:20 am

ORD

BHD

31h 55m

3 stops

$968Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

3:25 pm - 2:00 pm

BFS

ORD

28h 35m

2 stops

9:50 am - 6:55 pm

ORD

BFS

27h 05m

3 stops

$981Multiple Airlines

Thu, Aug 27 - Thu, Sep 3

5:30 pm - 9:25 pm

BHD

ORD

33h 55m

3 stops

7:25 pm - 9:20 am

ORD

BHD

31h 55m

3 stops

$1,032Multiple Airlines

Mon, Aug 24 - Sun, Aug 30

9:35 am - 6:15 pm

BHD

ORD

14h 40m

1 stop

10:30 pm - 7:25 pm

ORD

BHD

14h 55m

1 stop

$1,080American Airlines

Thu, Aug 27 - Thu, Sep 3

6:30 am - 12:30 pm

BHD

ORD

12h 00m

1 stop

6:00 am - 10:10 am

ORD

BHD

22h 10m

2 stops

$1,115Multiple Airlines

Thu, Aug 27 - Thu, Sep 3

9:40 am - 3:55 pm

BHD

ORD

12h 15m

1 stop

7:05 pm - 2:35 pm

ORD

BHD

13h 30m

1 stop

$1,185British Airways

Mon, Aug 24 - Sun, Aug 30

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

4:20 pm - 9:20 am

ORD

BHD

11h 00m

1 stop

$1,403Delta

Fri, Jul 17 - Tue, Jul 21

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Delta flights from Northern Ireland to Illinois

Our best Delta deals on Northern Ireland to Illinois flight tickets

Delta

Jul 17

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

Jul 21

ORD4:20 pmChicago O'Hare Intl

11h 00m

1 stop

BHD9:20 amBelfast City

$1,403

Delta

Jul 17

BHD9:50 amBelfast City

16h 41m

2 stops

ORD8:31 pmChicago O'Hare Intl

Jul 21

ORD4:20 pmChicago O'Hare Intl

11h 00m

1 stop

BHD9:20 amBelfast City

$1,435

Delta

Jul 17

BHD9:50 amBelfast City

16h 41m

2 stops

ORD8:31 pmChicago O'Hare Intl

Jul 21

ORD7:17 pmChicago O'Hare Intl

15h 38m

2 stops

BHD4:55 pmBelfast City

$1,464

British Airways flights from Northern Ireland to Illinois

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

British Airways

Aug 24

BHD9:40 amBelfast City

12h 15m

1 stop

ORD3:55 pmChicago O'Hare Intl

Aug 30

ORD7:05 pmChicago O'Hare Intl

13h 30m

1 stop

BHD2:35 pmBelfast City

$1,185

British Airways

Jul 18

BHD7:05 amBelfast City

14h 50m

1 stop

ORD3:55 pmChicago O'Hare Intl

Jul 22

ORD7:05 pmChicago O'Hare Intl

10h 55m

1 stop

BHD12:00 pmBelfast City

$1,754

British Airways

Nov 14

BHD9:15 amBelfast City

15h 30m

1 stop

ORD6:45 pmChicago O'Hare Intl

Nov 17

ORD1:31 pmChicago O'Hare Intl

14h 59m

2 stops

BHD10:30 amBelfast City

$4,200

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/24

8:35 pm-8:29 pm

3 stops29h 54m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-8:55 pm

3 stops19h 30m

$804

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/24

6:30 am-4:57 pm

2 stops16h 27m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-8:55 pm

3 stops19h 30m

$831

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/24

9:50 pm-4:57 pm

2 stops25h 07m

Chicago O'Hare Intl

Sun 8/30

10:25 pm-9:00 pm

2 stops16h 35m

$890

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/24

7:00 am-9:25 pm

2 stops20h 25m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-9:20 am

3 stops31h 55m

$968

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 8/27

3:25 pm-2:00 pm

2 stops28h 35m

Chicago O'Hare Intl

Thu 9/3

9:50 am-6:55 pm

3 stops27h 05m

$981

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/24

5:30 pm-9:25 pm

3 stops33h 55m

Chicago O'Hare Intl

Sun 8/30

7:25 pm-9:20 am

3 stops31h 55m

$1,032

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 8/27

9:35 am-6:15 pm

1 stop14h 40m

Chicago O'Hare Intl

Thu 9/3

10:30 pm-7:25 pm

1 stop14h 55m

$1,080

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 8/27

6:30 am-12:30 pm

1 stop12h 00m

Chicago O'Hare Intl

Thu 9/3

6:00 am-10:10 am

2 stops22h 10m

$1,115

Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/24

9:40 am-3:55 pm

1 stop12h 15m

Chicago O'Hare Intl

Sun 8/30

7:05 pm-2:35 pm

1 stop13h 30m

$1,185

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 7/17

5:30 pm-2:15 pm

1 stop26h 45m

Chicago O'Hare Intl

Tue 7/21

4:20 pm-9:20 am

1 stop11h 00m

$1,403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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	26h 45m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 26h 45m

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.