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.

$431 Cheap Flights from Belfast to Illinois in 2026

1 adult

0 bags

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.

7:00 am - 11:50 am

BFS

ORD

34h 50m

2 stops

9:55 am - 5:05 pm

ORD

BFS

25h 10m

2 stops

$852Multiple Airlines

Wed, Jun 10 - Wed, Jun 17

10:10 pm - 9:25 pm

BFS

ORD

29h 15m

3 stops

9:55 am - 9:00 pm

ORD

BFS

29h 05m

2 stops

$917Multiple Airlines

Sun, Jun 7 - Sun, Jun 14

6:30 am - 3:00 pm

BHD

ORD

14h 30m

1 stop

10:35 pm - 6:45 pm

ORD

BHD

14h 10m

1 stop

$964British Airways

Thu, Oct 1 - Mon, Oct 5

8:35 pm - 12:30 pm

BHD

ORD

21h 55m

1 stop

5:55 pm - 12:55 pm

ORD

BHD

13h 00m

1 stop

$965British Airways

Thu, Oct 1 - Mon, Oct 5

9:35 am - 5:35 pm

BHD

ORD

14h 00m

1 stop

1:43 pm - 12:55 pm

ORD

BHD

17h 12m

2 stops

$967British Airways

Thu, Oct 1 - Mon, Oct 5

6:30 am - 3:00 pm

BHD

ORD

14h 30m

1 stop

1:43 pm - 12:55 pm

ORD

BHD

17h 12m

2 stops

$968British Airways

Thu, Oct 1 - Mon, Oct 5

6:10 am - 11:50 am

BFS

ORD

35h 40m

3 stops

9:55 am - 5:05 pm

ORD

BFS

25h 10m

2 stops

$972Multiple Airlines

Wed, Jun 10 - Wed, Jun 17

9:35 am - 7:26 pm

BHD

ORD

15h 51m

2 stops

6:26 pm - 3:30 pm

ORD

BHD

15h 04m

2 stops

$973British Airways

Thu, Oct 1 - Mon, Oct 5

6:10 am - 9:25 pm

BFS

ORD

21h 15m

2 stops

10:25 pm - 8:25 pm

ORD

BFS

16h 00m

2 stops

$993Multiple Airlines

Mon, Jun 8 - Mon, Jun 15

9:50 am - 10:35 pm

BHD

ORD

18h 45m

2 stops

8:42 am - 9:20 am

ORD

BHD

18h 38m

2 stops

$1,250Delta

Sun, May 17 - Sun, May 24

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British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

Oct 1

BHD6:30 amBelfast City

14h 30m

1 stop

ORD3:00 pmChicago O'Hare Intl

Oct 5

ORD10:35 pmChicago O'Hare Intl

14h 10m

1 stop

BHD6:45 pmBelfast City

$964

British Airways

Oct 1

BHD8:35 pmBelfast City

21h 55m

1 stop

ORD12:30 pmChicago O'Hare Intl

Oct 5

ORD5:55 pmChicago O'Hare Intl

13h 00m

1 stop

BHD12:55 pmBelfast City

$965

British Airways

Oct 1

BHD9:35 amBelfast City

14h 00m

1 stop

ORD5:35 pmChicago O'Hare Intl

Oct 5

ORD1:43 pmChicago O'Hare Intl

17h 12m

2 stops

BHD12:55 pmBelfast City

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 6/10

7:00 am-11:50 am

2 stops34h 50m

Chicago O'Hare Intl

Wed 6/17

9:55 am-5:05 pm

2 stops25h 10m

$852

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 6/7

10:10 pm-9:25 pm

3 stops29h 15m

Chicago O'Hare Intl

Sun 6/14

9:55 am-9:00 pm

2 stops29h 05m

$917

Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

6:30 am-3:00 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 10/5

10:35 pm-6:45 pm

1 stop14h 10m

$964

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

8:35 pm-12:30 pm

1 stop21h 55m

Chicago O'Hare Intl

Mon 10/5

5:55 pm-12:55 pm

1 stop13h 00m

$965

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

9:35 am-5:35 pm

1 stop14h 00m

Chicago O'Hare Intl

Mon 10/5

1:43 pm-12:55 pm

2 stops17h 12m

$967

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

6:30 am-3:00 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 10/5

1:43 pm-12:55 pm

2 stops17h 12m

$968

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 6/10

6:10 am-11:50 am

3 stops35h 40m

Chicago O'Hare Intl

Wed 6/17

9:55 am-5:05 pm

2 stops25h 10m

$972

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

9:35 am-7:26 pm

2 stops15h 51m

Chicago O'Hare Intl

Mon 10/5

6:26 pm-3:30 pm

2 stops15h 04m

$973

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/8

6:10 am-9:25 pm

2 stops21h 15m

Chicago O'Hare Intl

Mon 6/15

10:25 pm-8:25 pm

2 stops16h 00m

$993

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 5/17

9:50 am-10:35 pm

2 stops18h 45m

Chicago O'Hare Intl

Sun 5/24

8:42 am-9:20 am

2 stops18h 38m

$1,250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 00m
Direct flights	None

The fastest flight from Belfast to Illinois takes 14h 00m

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.