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

Prices for flights from Belfast to Illinois refresh daily.

How old do you have to be to fly from Belfast to Illinois?

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 Belfast to Illinois.

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

The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$442 Cheap Flights from Belfast to Illinois in 2025/26

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Find the cheapest flights from Belfast to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 4:45 pmBFS-ORD

30h 20m2 stops

7:20 pm - 10:10 pmORD-BFS

20h 50m2 stops

$724Multiple Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

6:35 am - 5:00 pmBHD-ORD

16h 25m1 stop

6:35 pm - 4:05 pmORD-BHD

15h 30m2 stops

$822American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

11:05 am - 5:00 pmBHD-ORD

11h 55m1 stop

8:40 pm - 2:15 pmORD-BHD

11h 35m1 stop

$823American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:35 am - 5:45 pmBHD-ORD

17h 10m2 stops

1:04 pm - 10:40 amORD-BHD

15h 36m2 stops

$827American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:35 am - 5:45 pmBHD-ORD

17h 10m2 stops

3:03 pm - 10:40 amORD-BHD

13h 37m2 stops

$829American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:35 am - 5:00 pmBHD-ORD

16h 25m1 stop

9:45 pm - 2:15 pmORD-BHD

11h 30m1 stop

$831American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:40 am - 5:00 pmBHD-ORD

12h 20m1 stop

7:45 pm - 2:15 pmORD-BHD

13h 30m1 stop

$833American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:05 am - 8:09 pmBHD-ORD

17h 04m2 stops

6:30 pm - 2:15 pmORD-BHD

14h 45m2 stops

$838American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:25 pm - 10:05 amBFS-ORD

45h 40m3 stops

2:01 pm - 5:55 pmORD-BFS

21h 54m3 stops

$847Multiple Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

6:30 am - 3:20 pmBHD-ORD

13h 50m1 stop

5:20 pm - 4:50 pmORD-BHD

17h 30m2 stops

$1,030KLM

Find Deal

Mon, Oct 27 - Sun, Nov 2

American Airlines flights from Belfast to Illinois

Our best American Airlines deals on Belfast to Illinois flight tickets

American Airlines

Nov 20

BHD6:35 amBelfast City

16h 25m

1 stop

ORD5:00 pmChicago O'Hare Intl

Nov 24

ORD6:35 pmChicago O'Hare Intl

15h 30m

2 stops

BHD4:05 pmBelfast City

$822

Find similar

American Airlines

Nov 20

BHD11:05 amBelfast City

11h 55m

1 stop

ORD5:00 pmChicago O'Hare Intl

Nov 24

ORD8:40 pmChicago O'Hare Intl

11h 35m

1 stop

BHD2:15 pmBelfast City

$823

Find similar

American Airlines

Nov 20

BHD6:35 amBelfast City

17h 10m

2 stops

ORD5:45 pmChicago O'Hare Intl

Nov 24

ORD1:04 pmChicago O'Hare Intl

15h 36m

2 stops

BHD10:40 amBelfast City

$827

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 11/26

4:25 pm-4:45 pm

2 stops30h 20m

Chicago O'Hare Intl

Wed 12/3

7:20 pm-10:10 pm

2 stops20h 50m

$724

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/20

6:35 am-5:00 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 11/24

6:35 pm-4:05 pm

2 stops15h 30m

$822

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/20

11:05 am-5:00 pm

1 stop11h 55m

Chicago O'Hare Intl

Mon 11/24

8:40 pm-2:15 pm

1 stop11h 35m

$823

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/20

6:35 am-5:45 pm

2 stops17h 10m

Chicago O'Hare Intl

Mon 11/24

1:04 pm-10:40 am

2 stops15h 36m

$827

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/20

6:35 am-5:45 pm

2 stops17h 10m

Chicago O'Hare Intl

Mon 11/24

3:03 pm-10:40 am

2 stops13h 37m

$829

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

6:35 am-5:00 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 3/9

9:45 pm-2:15 pm

1 stop11h 30m

$831

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

10:40 am-5:00 pm

1 stop12h 20m

Chicago O'Hare Intl

Mon 3/9

7:45 pm-2:15 pm

1 stop13h 30m

$833

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/5

9:05 am-8:09 pm

2 stops17h 04m

Chicago O'Hare Intl

Mon 3/9

6:30 pm-2:15 pm

2 stops14h 45m

$838

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 11/26

6:25 pm-10:05 am

3 stops45h 40m

Chicago O'Hare Intl

Wed 12/3

2:01 pm-5:55 pm

3 stops21h 54m

$847

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 10/27

6:30 am-3:20 pm

1 stop13h 50m

Chicago O'Hare Intl

Sun 11/2

5:20 pm-4:50 pm

2 stops17h 30m

$1,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast 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 airline that flies from Belfast to Illinois?

Finnair is the most popular carrier operating from Belfast to Illinois

Cheap Belfast to Illinois flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Belfast to Illinois?
Prices for flights from Belfast to Illinois refresh daily.
How old do you have to be to fly from Belfast to Illinois?
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 Belfast to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 Belfast to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Belfast to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Illinois.

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

Price alerts on flights to Illinois from Belfast 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.