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.

$414 Cheap Flights from Belfast to Illinois in 2026

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.

6:30 am - 1:50 pm

BHD

ORD

13h 20m

1 stop

5:19 pm - 12:55 pm

ORD

BHD

13h 36m

2 stops

$874British Airways

Thu, Sep 17 - Mon, Sep 21

6:30 am - 3:55 pm

BHD

ORD

15h 25m

1 stop

9:15 pm - 3:30 pm

ORD

BHD

12h 15m

1 stop

$876British Airways

Thu, Sep 17 - Mon, Sep 21

6:30 am - 3:55 pm

BHD

ORD

15h 25m

1 stop

5:19 pm - 12:55 pm

ORD

BHD

13h 36m

2 stops

$877British Airways

Thu, Sep 17 - Mon, Sep 21

9:05 am - 6:25 pm

BHD

ORD

15h 20m

2 stops

4:06 pm - 1:55 pm

ORD

BHD

15h 49m

2 stops

$879British Airways

Thu, Nov 5 - Sun, Nov 8

6:30 am - 4:46 pm

BHD

ORD

16h 16m

2 stops

6:57 pm - 3:30 pm

ORD

BHD

14h 33m

2 stops

$880British Airways

Thu, Sep 17 - Mon, Sep 21

9:05 am - 6:25 pm

BHD

ORD

15h 20m

2 stops

4:05 pm - 1:55 pm

ORD

BHD

15h 50m

2 stops

$882British Airways

Thu, Nov 5 - Sun, Nov 8

6:40 am - 10:16 am

BFS

ORD

33h 36m

3 stops

8:45 am - 7:50 pm

ORD

BFS

29h 05m

3 stops

$902Multiple Airlines

Thu, Jul 2 - Tue, Jul 21

6:40 am - 10:05 pm

BFS

ORD

21h 25m

2 stops

8:45 am - 7:50 pm

ORD

BFS

29h 05m

3 stops

$908Multiple Airlines

Thu, Jul 2 - Tue, Jul 21

7:00 am - 4:46 pm

BHD

ORD

15h 46m

2 stops

5:19 pm - 3:30 pm

ORD

BHD

16h 11m

2 stops

$908British Airways

Thu, Sep 17 - Mon, Sep 21

6:40 am - 4:57 pm

BFS

ORD

16h 17m

2 stops

3:50 pm - 7:50 pm

ORD

BFS

22h 00m

2 stops

$924Multiple Airlines

Thu, Jul 2 - Tue, Jul 21

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British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

Sep 17

BHD6:30 amBelfast City

13h 20m

1 stop

ORD1:50 pmChicago O'Hare Intl

Sep 21

ORD5:19 pmChicago O'Hare Intl

13h 36m

2 stops

BHD12:55 pmBelfast City

$874

British Airways

Sep 17

BHD6:30 amBelfast City

15h 25m

1 stop

ORD3:55 pmChicago O'Hare Intl

Sep 21

ORD9:15 pmChicago O'Hare Intl

12h 15m

1 stop

BHD3:30 pmBelfast City

$876

British Airways

Sep 17

BHD6:30 amBelfast City

15h 25m

1 stop

ORD3:55 pmChicago O'Hare Intl

Sep 21

ORD5:19 pmChicago O'Hare Intl

13h 36m

2 stops

BHD12:55 pmBelfast City

$877

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-1:50 pm

1 stop13h 20m

Chicago O'Hare Intl

Mon 9/21

5:19 pm-12:55 pm

2 stops13h 36m

$874

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-3:55 pm

1 stop15h 25m

Chicago O'Hare Intl

Mon 9/21

9:15 pm-3:30 pm

1 stop12h 15m

$876

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-3:55 pm

1 stop15h 25m

Chicago O'Hare Intl

Mon 9/21

5:19 pm-12:55 pm

2 stops13h 36m

$877

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/5

9:05 am-6:25 pm

2 stops15h 20m

Chicago O'Hare Intl

Sun 11/8

4:06 pm-1:55 pm

2 stops15h 49m

$879

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-4:46 pm

2 stops16h 16m

Chicago O'Hare Intl

Mon 9/21

6:57 pm-3:30 pm

2 stops14h 33m

$880

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/5

9:05 am-6:25 pm

2 stops15h 20m

Chicago O'Hare Intl

Sun 11/8

4:05 pm-1:55 pm

2 stops15h 50m

$882

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 7/2

6:40 am-10:16 am

3 stops33h 36m

Chicago O'Hare Intl

Tue 7/21

8:45 am-7:50 pm

3 stops29h 05m

$902

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 7/2

6:40 am-10:05 pm

2 stops21h 25m

Chicago O'Hare Intl

Tue 7/21

8:45 am-7:50 pm

3 stops29h 05m

$908

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

7:00 am-4:46 pm

2 stops15h 46m

Chicago O'Hare Intl

Mon 9/21

5:19 pm-3:30 pm

2 stops16h 11m

$908

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 7/2

6:40 am-4:57 pm

2 stops16h 17m

Chicago O'Hare Intl

Tue 7/21

3:50 pm-7:50 pm

2 stops22h 00m

$924

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?

British Airways 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

Fastest flight time	14h 10m
Direct flights	None

The fastest flight from Belfast to Illinois takes 14h 10m

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

Search flight deals

Frequently asked questions about flying from Belfast to Illinois

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.