Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Northern Ireland to Illinois from £624

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Illinois departing on 14/1. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Northern Ireland to Illinois

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
09:15 - 15:25BHD-ORD
12h 10m1 stop
American Airlines Logo
14:50 - 13:55ORD-BHD
17h 05m2 stops
£624American Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
American Airlines Logo
09:15 - 18:45BHD-ORD
15h 30m1 stop
American Airlines Logo
21:45 - 18:40ORD-BHD
14h 55m1 stop
£625American Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
American Airlines Logo
09:15 - 15:25BHD-ORD
12h 10m1 stop
American Airlines Logo
20:45 - 16:50ORD-BHD
14h 05m1 stop
£627American Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
American Airlines Logo
06:35 - 18:01BHD-ORD
17h 26m2 stops
American Airlines Logo
13:25 - 10:20ORD-BHD
14h 55m2 stops
£628American Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
American Airlines Logo
06:35 - 16:46BHD-ORD
16h 11m2 stops
American Airlines Logo
13:35 - 10:20ORD-BHD
14h 45m2 stops
£631American Airlines
Find Deal
Wed, 14 Jan - Sun, 18 Jan
Virgin Atlantic Logo
17:20 - 17:55BHD-ORD
30h 35m2 stops
Virgin Atlantic Logo
13:57 - 16:50ORD-BHD
20h 53m2 stops
£716Virgin Atlantic
Find Deal
Wed, 14 Jan - Sun, 18 Jan
Virgin Atlantic Logo
17:20 - 17:45BHD-ORD
30h 25m2 stops
Virgin Atlantic Logo
13:55 - 16:50ORD-BHD
20h 55m2 stops
£718Virgin Atlantic
Find Deal
Wed, 14 Jan - Sun, 18 Jan
Multiple Airlines Logo
07:05 - 11:16BFS-ORD
34h 11m3 stops
Multiple Airlines Logo
18:30 - 15:10ORD-BFS
14h 40m2 stops
£798Multiple Airlines
Find Deal
Fri, 2 Jan - Fri, 9 Jan
Multiple Airlines Logo
07:10 - 17:55BFS-ORD
16h 45m2 stops
Multiple Airlines Logo
18:30 - 18:55ORD-BFS
18h 25m2 stops
£835Multiple Airlines
Find Deal
Sun, 4 Jan - Sun, 11 Jan
Multiple Airlines Logo
23:05 - 22:07BFS-ORD
29h 02m3 stops
Multiple Airlines Logo
18:30 - 18:55ORD-BFS
18h 25m2 stops
£837Multiple Airlines
Find Deal
Sun, 4 Jan - Sun, 11 Jan

American Airlines flights from Northern Ireland to Illinois

Our best American Airlines deals on Northern Ireland to Illinois flight tickets
American Airlines
14 Jan
BHD09:15Belfast City
12h 10m
1 stop
ORD15:25Chicago O'Hare Intl
18 Jan
ORD14:50Chicago O'Hare Intl
17h 05m
2 stops
BHD13:55Belfast City
£624
Find similar
American Airlines
14 Jan
BHD06:35Belfast City
14h 50m
1 stop
ORD15:25Chicago O'Hare Intl
18 Jan
ORD16:14Chicago O'Hare Intl
15h 41m
2 stops
BHD13:55Belfast City
£625
Find similar
American Airlines
14 Jan
BHD09:15Belfast City
12h 10m
1 stop
ORD15:25Chicago O'Hare Intl
18 Jan
ORD20:45Chicago O'Hare Intl
14h 05m
1 stop
BHD16:50Belfast City
£627
Find similar

Virgin Atlantic flights from Northern Ireland to Illinois

Our best Virgin Atlantic deals on Northern Ireland to Illinois flight tickets
Virgin Atlantic
14 Jan
BHD17:20Belfast City
30h 35m
2 stops
ORD17:55Chicago O'Hare Intl
18 Jan
ORD13:57Chicago O'Hare Intl
20h 53m
2 stops
BHD16:50Belfast City
£716
Find similar
Virgin Atlantic
14 Jan
BHD17:20Belfast City
30h 25m
2 stops
ORD17:45Chicago O'Hare Intl
18 Jan
ORD13:55Chicago O'Hare Intl
20h 55m
2 stops
BHD16:50Belfast City
£718
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Illinois 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 279,928 searches. Data last updated 21 November 2025.
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

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

09:15-15:25

1 stop12h 10m

Chicago O'Hare Intl

Sun 18/1

14:50-13:55

2 stops17h 05m

£624

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

09:15-18:45

1 stop15h 30m

Chicago O'Hare Intl

Sun 18/1

21:45-18:40

1 stop14h 55m

£625

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

09:15-15:25

1 stop12h 10m

Chicago O'Hare Intl

Sun 18/1

20:45-16:50

1 stop14h 05m

£627

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

06:35-18:01

2 stops17h 26m

Chicago O'Hare Intl

Sun 18/1

13:25-10:20

2 stops14h 55m

£628

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

06:35-16:46

2 stops16h 11m

Chicago O'Hare Intl

Sun 18/1

13:35-10:20

2 stops14h 45m

£631

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

17:20-17:55

2 stops30h 35m

Chicago O'Hare Intl

Sun 18/1

13:57-16:50

2 stops20h 53m

£716

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

17:20-17:45

2 stops30h 25m

Chicago O'Hare Intl

Sun 18/1

13:55-16:50

2 stops20h 55m

£718

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 2/1

07:05-11:16

3 stops34h 11m

Chicago O'Hare Intl

Fri 9/1

18:30-15:10

2 stops14h 40m

£798

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 4/1

07:10-17:55

2 stops16h 45m

Chicago O'Hare Intl

Sun 11/1

18:30-18:55

2 stops18h 25m

£835

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 4/1

23:05-22:07

3 stops29h 02m

Chicago O'Hare Intl

Sun 11/1

18:30-18:55

2 stops18h 25m

£837

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Illinois from

How to get the cheapest flight ticket from Northern Ireland to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Friday when prices can be found for as low as £606. This is often the case because there is less demand to fly during this day of the week. Flights from Northern Ireland to Illinois on a Saturday will generally be more expensive and average around £845. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Direct flights

None
There are no direct flights from Northern Ireland to Illinois. There are no popular flight routes from Northern Ireland to Illinois.
Search flight deals

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

    Prices for flights from Northern Ireland to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Northern Ireland to Illinois?

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

    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 Illinois.

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

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Northern Ireland to Illinois

Compare and see reviews for airlines that fly from Northern Ireland to Illinois with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £497Free CancellationRating
6.7
7,533 reviews
Search British Airways flights

Why use momondo?

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

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 Illinois from Northern Ireland.

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

All flight searches from Northern Ireland to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Northern Ireland to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Northern Ireland and alert you when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 21/12
Sun 28/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom £253
Flights to Orlandofrom £273
Flights to Los Angelesfrom £291
Flights to Miamifrom £306
Flights to San Franciscofrom £296
Flights to Bostonfrom £238
Flights to Chicagofrom £323
Flights to Las Vegasfrom £389
Flights to Washington, D.C.from £305
Flights to Atlantafrom £347
Flights to Dallasfrom £350
Flights to Houstonfrom £325