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Cheap flights from Illinois to Belfast from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Belfast departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:05 pm - 2:35 pm
ORD
-
BHD
13h 30m
1 stop
British Airways Logo
7:30 pm - 6:15 pm
BHD
-
ORD
28h 45m
1 stop
$1,039British Airways
Sun, Jul 26 - Thu, Aug 6
Delta Logo
4:20 pm - 4:55 pm
ORD
-
BHD
18h 35m
1 stop
Delta Logo
5:30 pm - 2:15 pm
BHD
-
ORD
26h 45m
1 stop
$1,058Delta
Tue, Jul 21 - Wed, Aug 5
British Airways Logo
9:15 pm - 5:30 pm
ORD
-
BHD
14h 15m
1 stop
British Airways Logo
6:30 am - 2:43 pm
BHD
-
ORD
14h 13m
2 stops
$1,061British Airways
Mon, Jul 27 - Tue, Aug 4
Delta Logo
10:28 am - 9:20 am
ORD
-
BHD
16h 52m
2 stops
Delta Logo
5:30 pm - 2:15 pm
BHD
-
ORD
26h 45m
1 stop
$1,063Delta
Sun, Jul 26 - Thu, Aug 6
Virgin Atlantic Logo
4:20 pm - 4:55 pm
ORD
-
BHD
18h 35m
1 stop
Virgin Atlantic Logo
5:30 pm - 4:24 pm
BHD
-
ORD
28h 54m
2 stops
$1,067Virgin Atlantic
Sun, Aug 2 - Mon, Aug 10
American Airlines Logo
10:30 pm - 6:45 pm
ORD
-
BHD
14h 15m
1 stop
American Airlines Logo
4:15 pm - 12:30 pm
BHD
-
ORD
26h 15m
1 stop
$1,106American Airlines
Sun, Jul 19 - Sat, Jul 25
American Airlines Logo
10:30 pm - 6:45 pm
ORD
-
BHD
14h 15m
1 stop
American Airlines Logo
4:15 pm - 12:30 pm
BHD
-
ORD
26h 15m
1 stop
$1,107American Airlines
Sun, Jul 19 - Sat, Jul 25
KLM Logo
6:58 pm - 4:55 pm
MDW
-
BHD
15h 57m
2 stops
KLM Logo
9:50 am - 10:36 pm
BHD
-
MDW
18h 46m
2 stops
$1,888KLM
Sun, Jul 26 - Tue, Aug 4
Multiple Airlines Logo
10:25 am - 4:40 pm
MDW
-
BHD
24h 15m
3 stops
Multiple Airlines Logo
7:00 am - 9:40 am
BHD
-
MDW
32h 40m
3 stops
$2,354Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
KLM Logo
12:41 pm - 9:20 am
MDW
-
BHD
14h 39m
2 stops
KLM Logo
9:50 am - 10:15 pm
BHD
-
MDW
18h 25m
2 stops
$2,417KLM
Wed, Jul 22 - Fri, Jul 31

British Airways flights from Illinois to Belfast City Airport

Our best British Airways deals on Illinois to Belfast City Airport flight tickets
British Airways
Jul 26
ORD7:05 pmChicago O'Hare Intl
13h 30m
1 stop
BHD2:35 pmBelfast City
Aug 6
BHD7:30 pmBelfast City
28h 45m
1 stop
ORD6:15 pmChicago O'Hare Intl
$1,039
British Airways
Jul 27
ORD9:15 pmChicago O'Hare Intl
14h 15m
1 stop
BHD5:30 pmBelfast City
Aug 4
BHD6:30 amBelfast City
14h 13m
2 stops
ORD2:43 pmChicago O'Hare Intl
$1,061
British Airways
Jul 23
ORD9:15 pmChicago O'Hare Intl
12h 15m
1 stop
BHD3:30 pmBelfast City
Aug 3
BHD7:35 pmBelfast City
25h 08m
2 stops
ORD2:43 pmChicago O'Hare Intl
$1,111

Delta flights from Illinois to Belfast City Airport

Our best Delta deals on Illinois to Belfast City Airport flight tickets
Delta
Jul 21
ORD4:20 pmChicago O'Hare Intl
18h 35m
1 stop
BHD4:55 pmBelfast City
Aug 5
BHD5:30 pmBelfast City
26h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,058
Delta
Jul 26
ORD10:28 amChicago O'Hare Intl
16h 52m
2 stops
BHD9:20 amBelfast City
Aug 6
BHD5:30 pmBelfast City
26h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,063
Delta
Jul 22
ORD4:50 pmChicago O'Hare Intl
10h 30m
1 stop
BHD9:20 amBelfast City
Jul 30
BHD9:50 amBelfast City
16h 41m
2 stops
ORD8:31 pmChicago O'Hare Intl
$1,068

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Belfast City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 15, 2026.
Use the filters below to find and compare flights from Illinois to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/26

7:05 pm-2:35 pm

1 stop13h 30m

Belfast City

Thu 8/6

7:30 pm-6:15 pm

1 stop28h 45m

$1,039

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 7/21

4:20 pm-4:55 pm

1 stop18h 35m

Belfast City

Wed 8/5

5:30 pm-2:15 pm

1 stop26h 45m

$1,058
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 7/27

9:15 pm-5:30 pm

1 stop14h 15m

Belfast City

Tue 8/4

6:30 am-2:43 pm

2 stops14h 13m

$1,061

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/26

10:28 am-9:20 am

2 stops16h 52m

Belfast City

Thu 8/6

5:30 pm-2:15 pm

1 stop26h 45m

$1,063

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/2

4:20 pm-4:55 pm

1 stop18h 35m

Belfast City

Mon 8/10

5:30 pm-4:24 pm

2 stops28h 54m

$1,067

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/19

10:30 pm-6:45 pm

1 stop14h 15m

Belfast City

Sat 7/25

4:15 pm-12:30 pm

1 stop26h 15m

$1,106

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/19

10:30 pm-6:45 pm

1 stop14h 15m

Belfast City

Sat 7/25

4:15 pm-12:30 pm

1 stop26h 15m

$1,107

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 7/26

6:58 pm-4:55 pm

2 stops15h 57m

Belfast City

Tue 8/4

9:50 am-10:36 pm

2 stops18h 46m

$1,888

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 8/1

10:25 am-4:40 pm

3 stops24h 15m

Belfast City

Sun 8/9

7:00 am-9:40 am

3 stops32h 40m

$2,354

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 7/22

12:41 pm-9:20 am

2 stops14h 39m

Belfast City

Fri 7/31

9:50 am-10:15 pm

2 stops18h 25m

$2,417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 City Airport

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 City?

Aer Lingus, Delta, and Virgin Atlantic are the most popular carriers operating from Illinois to Belfast City

Cheap Illinois to Belfast City Airport flight deals and tips

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

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from Illinois to Belfast City Airport takes 11h 00m
There are no direct flights from Illinois to Belfast City Airport. There are no popular flight routes from Illinois to Belfast City Airport.
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Frequently asked questions about flying from Illinois to Belfast City Airport

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

    Prices for flights from Illinois to Belfast City Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Belfast City Airport.

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

    The travel and health documents you'll need for your trip to Belfast City Airport 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 City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Belfast?

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 Belfast from Illinois.

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

All flight searches from Illinois to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are not ready to book a flight from Illinois to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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