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Cheap flights from Illinois to Belfast from £342

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:25 - 21:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 25m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
20:10 - 18:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl
£555Multiple Airlines
Sun, 4 Oct - Wed, 14 Oct
Multiple Airlines Logo
19:25 - 22:30ORD  Chicago O'Hare Intl-BFS Belfast Intl
21h 05m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bristol
Multiple Airlines Logo
20:10 - 18:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
28h 05m3 stops London Luton Gdansk Rebiechowo Reykjavik Keflavik Intl
£587Multiple Airlines
Sun, 4 Oct - Wed, 14 Oct
Multiple Airlines Logo
19:25 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
09:10 - 14:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol
£600Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
19:25 - 21:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 25m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
07:35 - 16:00BFS  Belfast Intl-ORD Chicago O'Hare Intl
38h 25m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado
£603Multiple Airlines
Sun, 13 Sep - Tue, 29 Sep
Multiple Airlines Logo
19:25 - 21:10ORD  Chicago O'Hare Intl-BFS Belfast Intl
19h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
09:35 - 12:40BFS  Belfast Intl-ORD Chicago O'Hare Intl
33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado
£607Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Multiple Airlines Logo
19:25 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
09:10 - 14:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol
£608Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
19:25 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
09:10 - 14:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol
£609Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
22:25 - 21:10ORD  Chicago O'Hare Intl-BFS Belfast Intl
16h 45m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
09:35 - 12:40BFS  Belfast Intl-ORD Chicago O'Hare Intl
33h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado
£611Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Multiple Airlines Logo
19:25 - 21:50ORD  Chicago O'Hare Intl-BFS Belfast Intl
20h 25m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
07:35 - 16:00BFS  Belfast Intl-ORD Chicago O'Hare Intl
38h 25m3 stops Manchester Madrid Barajas Lisbon Humberto Delgado
£612Multiple Airlines
Sun, 13 Sep - Tue, 29 Sep
Multiple Airlines Logo
19:25 - 20:55ORD  Chicago O'Hare Intl-BFS Belfast Intl
19h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
09:10 - 14:15BFS  Belfast Intl-ORD Chicago O'Hare Intl
35h 05m2 stops Barcelona-El Prat Amsterdam Schiphol
£613Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct

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British Airways flights from Illinois to Belfast

Our best British Airways deals on Illinois to Belfast flight tickets
British Airways
15 Nov
ORD17:10Chicago O'Hare Intl
11h 35m
1 stop
BHD10:45Belfast City
19 Nov
BHD07:40Belfast City
12h 05m
1 stop
ORD13:45Chicago O'Hare Intl
£662
British Airways
4 Oct
ORD21:15Chicago O'Hare Intl
11h 20m
1 stop
BHD14:35Belfast City
14 Oct
BHD06:30Belfast City
13h 20m
1 stop
ORD13:50Chicago O'Hare Intl
£686
British Airways
28 Sept
ORD10:11Chicago O'Hare Intl
16h 39m
2 stops
BHD08:50Belfast City
5 Oct
BHD19:35Belfast City
24h 15m
1 stop
ORD13:50Chicago O'Hare Intl
£688

American Airlines flights from Illinois to Belfast

Our best American Airlines deals on Illinois to Belfast flight tickets
American Airlines
30 Sept
ORD22:25Chicago O'Hare Intl
14h 20m
1 stop
BHD18:45Belfast City
7 Oct
BHD06:30Belfast City
12h 00m
1 stop
ORD12:30Chicago O'Hare Intl
£695
American Airlines
30 Sept
ORD17:55Chicago O'Hare Intl
12h 05m
1 stop
BHD12:00Belfast City
7 Oct
BHD06:30Belfast City
16h 20m
2 stops
ORD16:50Chicago O'Hare Intl
£703
American Airlines
1 Oct
ORD22:25Chicago O'Hare Intl
15h 00m
1 stop
BHD19:25Belfast City
8 Oct
BHD06:30Belfast City
17h 06m
2 stops
ORD17:36Chicago O'Hare Intl
£738

momondo Fare Finder

 
Use the filters below to find and compare flights from Illinois to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-21:50

2 stops20h 25m

Belfast Intl

Wed 14/10

20:10-18:15

3 stops28h 05m

£555

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-22:30

3 stops21h 05m

Belfast Intl

Wed 14/10

20:10-18:15

3 stops28h 05m

£587

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£600

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 13/9

19:25-21:50

2 stops20h 25m

Belfast Intl

Tue 29/9

07:35-16:00

3 stops38h 25m

£603

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 30/9

19:25-21:10

2 stops19h 45m

Belfast Intl

Wed 7/10

09:35-12:40

2 stops33h 05m

£607

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£608

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£609

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Wed 30/9

22:25-21:10

2 stops16h 45m

Belfast Intl

Wed 7/10

09:35-12:40

2 stops33h 05m

£611

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 13/9

19:25-21:50

2 stops20h 25m

Belfast Intl

Tue 29/9

07:35-16:00

3 stops38h 25m

£612

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 28/9

19:25-20:55

2 stops19h 30m

Belfast Intl

Mon 5/10

09:10-14:15

2 stops35h 05m

£613

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Illinois to Belfast

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 Illinois to Belfast?

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Illinois to Belfast

Cheap Illinois to Belfast flight deals and tips

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

Best price found

£342

Fastest flight time

10h 45m

Direct flights

None
The best one-way flight to Belfast from Illinois in the past 72 hours is £342. The best return flight deal from Illinois to Belfast found on momondo in the last 72 hours is £555.
The fastest flight from Illinois to Belfast takes 10h 45m
There are no direct flights from Illinois to Belfast. There are no popular flight routes from Illinois to Belfast.
Search flight deals

Frequently asked questions about flying from Illinois to Belfast

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

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

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

    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 Illinois to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast 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 Belfast. 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 Illinois to Belfast?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Belfast from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Illinois to Belfast.

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

Of course. momondo tracks the price of Illinois to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Belfast Intl Airport
Belfast City Airport