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

Prices for flights from Belfast to Illinois were last updated today.

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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£291 Cheap Flights from Belfast to Illinois in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Belfast to Illinois

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:35 - 21:20

BFS

ORD

41h 45m

3 stops

22:25 - 21:00

ORD

BFS

16h 35m

2 stops

£609Multiple Airlines

Sun, 30 Aug - Sun, 6 Sep

22:30 - 12:40

BFS

ORD

44h 10m

3 stops

09:50 - 19:40

ORD

BFS

27h 50m

2 stops

£635Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

18:00 - 21:25

BFS

ORD

33h 25m

2 stops

19:25 - 21:00

ORD

BFS

19h 35m

2 stops

£636Multiple Airlines

Sun, 30 Aug - Sun, 6 Sep

07:35 - 14:44

BFS

ORD

37h 09m

3 stops

19:25 - 22:25

ORD

BFS

21h 00m

2 stops

£637Multiple Airlines

Wed, 19 Aug - Thu, 27 Aug

09:35 - 21:20

BFS

ORD

41h 45m

3 stops

19:25 - 21:55

ORD

BFS

20h 30m

3 stops

£639Multiple Airlines

Sun, 30 Aug - Sun, 6 Sep

06:30 - 17:15

BHD

ORD

16h 45m

1 stop

19:05 - 12:55

ORD

BHD

11h 50m

1 stop

£679American Airlines

Mon, 7 Sep - Mon, 14 Sep

17:30 - 14:15

BHD

ORD

26h 45m

1 stop

12:29 - 09:20

ORD

BHD

14h 51m

2 stops

£696KLM

Mon, 7 Sep - Mon, 14 Sep

09:50 - 22:44

BHD

ORD

18h 54m

2 stops

11:17 - 09:20

ORD

BHD

16h 03m

2 stops

£699Delta

Mon, 7 Sep - Mon, 14 Sep

17:30 - 14:15

BHD

ORD

26h 45m

1 stop

16:20 - 09:20

ORD

BHD

11h 00m

1 stop

£1,706Delta

Mon, 3 Aug - Fri, 7 Aug

09:50 - 21:47

BHD

ORD

17h 57m

2 stops

13:59 - 16:55

ORD

BHD

20h 56m

2 stops

£1,711Virgin Atlantic

Mon, 3 Aug - Fri, 7 Aug

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Delta flights from Belfast to Illinois

Our best Delta deals on Belfast to Illinois flight tickets

Delta

7 Sept

BHD09:50Belfast City

18h 54m

2 stops

ORD22:44Chicago O'Hare Intl

14 Sept

ORD11:17Chicago O'Hare Intl

16h 03m

2 stops

BHD09:20Belfast City

£699

Delta

3 Aug

BHD17:30Belfast City

26h 45m

1 stop

ORD14:15Chicago O'Hare Intl

7 Aug

ORD13:59Chicago O'Hare Intl

20h 56m

2 stops

BHD16:55Belfast City

£1,706

Delta

3 Aug

BHD09:50Belfast City

18h 54m

2 stops

ORD22:44Chicago O'Hare Intl

7 Aug

ORD15:51Chicago O'Hare Intl

19h 04m

2 stops

BHD16:55Belfast City

£1,711

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 30/8

09:35-21:20

3 stops41h 45m

Chicago O'Hare Intl

Sun 6/9

22:25-21:00

2 stops16h 35m

£609

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 1/9

22:30-12:40

3 stops44h 10m

Chicago O'Hare Intl

Tue 8/9

09:50-19:40

2 stops27h 50m

£635

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 30/8

18:00-21:25

2 stops33h 25m

Chicago O'Hare Intl

Sun 6/9

19:25-21:00

2 stops19h 35m

£636

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 19/8

07:35-14:44

3 stops37h 09m

Chicago O'Hare Intl

Thu 27/8

19:25-22:25

2 stops21h 00m

£637

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 30/8

09:35-21:20

3 stops41h 45m

Chicago O'Hare Intl

Sun 6/9

19:25-21:55

3 stops20h 30m

£639

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

06:30-17:15

1 stop16h 45m

Chicago O'Hare Intl

Mon 14/9

19:05-12:55

1 stop11h 50m

£679

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 14/9

12:29-09:20

2 stops14h 51m

£696

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

09:50-22:44

2 stops18h 54m

Chicago O'Hare Intl

Mon 14/9

11:17-09:20

2 stops16h 03m

£699

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 3/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Fri 7/8

16:20-09:20

1 stop11h 00m

£1,706

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 3/8

09:50-21:47

2 stops17h 57m

Chicago O'Hare Intl

Fri 7/8

13:59-16:55

2 stops20h 56m

£1,711

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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	13h 15m
Direct flights	None

The fastest flight from Belfast to Illinois takes 13h 15m

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 were last updated today.
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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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 Belfast.

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

Flights from Belfast to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Illinois from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast 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 Belfast and alert you when they change.