How do I get Price Alerts for flights from Belfast to Illinois?

Confirm your travel details to search for the latest offers for flights from Belfast to Illinois . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Belfast to Illinois with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£494 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.

20:35 - 20:29

BFS

ORD

29h 54m

3 stops

19:25 - 20:55

ORD

BFS

19h 30m

3 stops

£602Multiple Airlines

Mon, 24 Aug - Sun, 30 Aug

06:30 - 16:57

BFS

ORD

16h 27m

2 stops

19:25 - 20:55

ORD

BFS

19h 30m

3 stops

£622Multiple Airlines

Mon, 24 Aug - Sun, 30 Aug

21:50 - 16:57

BFS

ORD

25h 07m

2 stops

22:25 - 21:00

ORD

BFS

16h 35m

2 stops

£666Multiple Airlines

Mon, 24 Aug - Sun, 30 Aug

07:00 - 21:25

BHD

ORD

20h 25m

2 stops

19:25 - 09:20

ORD

BHD

31h 55m

3 stops

£724Multiple Airlines

Mon, 24 Aug - Sun, 30 Aug

15:25 - 14:00

BFS

ORD

28h 35m

2 stops

09:50 - 18:55

ORD

BFS

27h 05m

3 stops

£734Multiple Airlines

Thu, 27 Aug - Thu, 3 Sep

17:30 - 21:25

BHD

ORD

33h 55m

3 stops

19:25 - 09:20

ORD

BHD

31h 55m

3 stops

£772Multiple Airlines

Mon, 24 Aug - Sun, 30 Aug

09:35 - 18:15

BHD

ORD

14h 40m

1 stop

22:30 - 19:25

ORD

BHD

14h 55m

1 stop

£808American Airlines

Thu, 27 Aug - Thu, 3 Sep

06:30 - 12:30

BHD

ORD

12h 00m

1 stop

06:00 - 10:10

ORD

BHD

22h 10m

2 stops

£834Multiple Airlines

Thu, 27 Aug - Thu, 3 Sep

09:40 - 15:55

BHD

ORD

12h 15m

1 stop

19:05 - 14:35

ORD

BHD

13h 30m

1 stop

£887British Airways

Mon, 24 Aug - Sun, 30 Aug

17:30 - 14:15

BHD

ORD

26h 45m

1 stop

16:20 - 09:20

ORD

BHD

11h 00m

1 stop

£1,050Delta

Fri, 17 Jul - Tue, 21 Jul

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Delta flights from Belfast to Illinois

Our best Delta deals on Belfast to Illinois flight tickets

Delta

17 Jul

BHD17:30Belfast City

26h 45m

1 stop

ORD14:15Chicago O'Hare Intl

21 Jul

ORD16:20Chicago O'Hare Intl

11h 00m

1 stop

BHD09:20Belfast City

£1,050

Delta

17 Jul

BHD09:50Belfast City

16h 41m

2 stops

ORD20:31Chicago O'Hare Intl

21 Jul

ORD16:20Chicago O'Hare Intl

11h 00m

1 stop

BHD09:20Belfast City

£1,074

Delta

17 Jul

BHD09:50Belfast City

16h 41m

2 stops

ORD20:31Chicago O'Hare Intl

21 Jul

ORD19:17Chicago O'Hare Intl

15h 38m

2 stops

BHD16:55Belfast City

£1,096

British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

24 Aug

BHD09:40Belfast City

12h 15m

1 stop

ORD15:55Chicago O'Hare Intl

30 Aug

ORD19:05Chicago O'Hare Intl

13h 30m

1 stop

BHD14:35Belfast City

£887

British Airways

18 Jul

BHD07:05Belfast City

14h 50m

1 stop

ORD15:55Chicago O'Hare Intl

22 Jul

ORD19:05Chicago O'Hare Intl

10h 55m

1 stop

BHD12:00Belfast City

£1,313

British Airways

14 Nov

BHD09:15Belfast City

15h 30m

1 stop

ORD18:45Chicago O'Hare Intl

17 Nov

ORD13:31Chicago O'Hare Intl

14h 59m

2 stops

BHD10:30Belfast City

£3,143

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

20:35-20:29

3 stops29h 54m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£602

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£622

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

21:50-16:57

2 stops25h 07m

Chicago O'Hare Intl

Sun 30/8

22:25-21:00

2 stops16h 35m

£666

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

07:00-21:25

2 stops20h 25m

Chicago O'Hare Intl

Sun 30/8

19:25-09:20

3 stops31h 55m

£724

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 27/8

15:25-14:00

2 stops28h 35m

Chicago O'Hare Intl

Thu 3/9

09:50-18:55

3 stops27h 05m

£734

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

17:30-21:25

3 stops33h 55m

Chicago O'Hare Intl

Sun 30/8

19:25-09:20

3 stops31h 55m

£772

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

22:30-19:25

1 stop14h 55m

£808

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

06:30-12:30

1 stop12h 00m

Chicago O'Hare Intl

Thu 3/9

06:00-10:10

2 stops22h 10m

£834

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 24/8

09:40-15:55

1 stop12h 15m

Chicago O'Hare Intl

Sun 30/8

19:05-14:35

1 stop13h 30m

£887

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 17/7

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Tue 21/7

16:20-09:20

1 stop11h 00m

£1,050

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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	26h 45m
Direct flights	None

The fastest flight from Belfast to Illinois takes 26h 45m

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.

Frequently asked questions about flying from Belfast to Illinois

How do I get Price Alerts for flights from Belfast to Illinois?
Confirm your travel details to search for the latest offers for flights from Belfast to Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Belfast to Illinois with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.