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Cheap flights from Chicago to Belfast from $297

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belfast departing on 7/20. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:00 pm - 3:40 pm
ORD
-
BHD
12h 40m
1 stop
American Airlines Logo
11:35 am - 5:35 pm
BHD
-
ORD
12h 00m
1 stop
$831American Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
9:00 pm - 3:40 pm
ORD
-
BHD
12h 40m
1 stop
American Airlines Logo
11:35 am - 9:21 pm
BHD
-
ORD
15h 46m
2 stops
$841American Airlines
Wed, Sep 16 - Wed, Sep 23
British Airways Logo
1:59 pm - 12:00 pm
ORD
-
BHD
16h 01m
2 stops
British Airways Logo
8:35 pm - 7:45 pm
BHD
-
ORD
29h 10m
2 stops
$859British Airways
Wed, Sep 16 - Wed, Sep 23
British Airways Logo
12:35 pm - 8:35 pm
ORD
-
BHD
26h 00m
2 stops
British Airways Logo
7:35 pm - 3:22 pm
BHD
-
ORD
25h 47m
2 stops
$871British Airways
Sun, Aug 2 - Mon, Aug 31
Multiple Airlines Logo
4:20 pm - 4:55 pm
ORD
-
BHD
18h 35m
1 stop
Multiple Airlines Logo
5:30 pm - 2:15 pm
BHD
-
ORD
26h 45m
1 stop
$880Multiple Airlines
Sun, Aug 2 - Mon, Aug 31
American Airlines Logo
10:35 pm - 3:40 pm
ORD
-
BHD
11h 05m
1 stop
American Airlines Logo
6:30 am - 5:35 pm
BHD
-
ORD
17h 05m
1 stop
$881American Airlines
Wed, Sep 16 - Mon, Sep 21
Multiple Airlines Logo
1:59 pm - 12:00 pm
ORD
-
BHD
16h 01m
2 stops
Multiple Airlines Logo
7:35 pm - 7:45 pm
BHD
-
ORD
30h 10m
2 stops
$882Multiple Airlines
Wed, Sep 16 - Mon, Sep 21
KLM Logo
7:17 pm - 4:55 pm
ORD
-
BHD
15h 38m
2 stops
KLM Logo
5:30 pm - 2:15 pm
BHD
-
ORD
26h 45m
1 stop
$884KLM
Sun, Aug 2 - Mon, Aug 31
Delta Logo
9:49 am - 9:20 am
MDW
-
BHD
17h 31m
2 stops
Delta Logo
9:50 am - 9:46 pm
BHD
-
MDW
17h 56m
2 stops
$1,121Delta
Sun, Aug 2 - Mon, Aug 31
KLM Logo
6:38 pm - 4:55 pm
MDW
-
BHD
16h 17m
2 stops
KLM Logo
9:50 am - 10:28 pm
BHD
-
MDW
18h 38m
2 stops
$1,182KLM
Tue, Apr 28 - Sun, May 3

American Airlines flights from Chicago to Belfast

Our best American Airlines deals on Chicago to Belfast flight tickets
American Airlines
Sep 16
ORD9:00 pmChicago O'Hare Intl
12h 40m
1 stop
BHD3:40 pmBelfast City
Sep 23
BHD11:35 amBelfast City
12h 00m
1 stop
ORD5:35 pmChicago O'Hare Intl
$831
American Airlines
Sep 16
ORD9:00 pmChicago O'Hare Intl
12h 40m
1 stop
BHD3:40 pmBelfast City
Sep 23
BHD11:35 amBelfast City
15h 46m
2 stops
ORD9:21 pmChicago O'Hare Intl
$841
American Airlines
Sep 16
ORD10:35 pmChicago O'Hare Intl
11h 05m
1 stop
BHD3:40 pmBelfast City
Sep 21
BHD6:30 amBelfast City
17h 05m
1 stop
ORD5:35 pmChicago O'Hare Intl
$881

British Airways flights from Chicago to Belfast

Our best British Airways deals on Chicago to Belfast flight tickets
British Airways
Sep 16
ORD1:59 pmChicago O'Hare Intl
16h 01m
2 stops
BHD12:00 pmBelfast City
Sep 23
BHD8:35 pmBelfast City
29h 10m
2 stops
ORD7:45 pmChicago O'Hare Intl
$859
British Airways
Aug 2
ORD12:35 pmChicago O'Hare Intl
26h 00m
2 stops
BHD8:35 pmBelfast City
Aug 31
BHD7:35 pmBelfast City
25h 47m
2 stops
ORD3:22 pmChicago O'Hare Intl
$871
British Airways
Apr 28
ORD9:15 pmChicago O'Hare Intl
12h 05m
1 stop
BHD3:20 pmBelfast City
May 3
BHD6:30 amBelfast City
15h 25m
1 stop
ORD3:55 pmChicago O'Hare Intl
$918

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Belfast 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 March 23, 2026.
Use the filters below to find and compare flights from Chicago to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 9/16

9:00 pm-3:40 pm

1 stop12h 40m

Belfast City

Wed 9/23

11:35 am-5:35 pm

1 stop12h 00m

$831

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 9/16

9:00 pm-3:40 pm

1 stop12h 40m

Belfast City

Wed 9/23

11:35 am-9:21 pm

2 stops15h 46m

$841

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 9/16

1:59 pm-12:00 pm

2 stops16h 01m

Belfast City

Wed 9/23

8:35 pm-7:45 pm

2 stops29h 10m

$859

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/2

12:35 pm-8:35 pm

2 stops26h 00m

Belfast City

Mon 8/31

7:35 pm-3:22 pm

2 stops25h 47m

$871

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/2

4:20 pm-4:55 pm

1 stop18h 35m

Belfast City

Mon 8/31

5:30 pm-2:15 pm

1 stop26h 45m

$880

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 9/16

10:35 pm-3:40 pm

1 stop11h 05m

Belfast City

Mon 9/21

6:30 am-5:35 pm

1 stop17h 05m

$881

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 9/16

1:59 pm-12:00 pm

2 stops16h 01m

Belfast City

Mon 9/21

7:35 pm-7:45 pm

2 stops30h 10m

$882

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/2

7:17 pm-4:55 pm

2 stops15h 38m

Belfast City

Mon 8/31

5:30 pm-2:15 pm

1 stop26h 45m

$884

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 8/2

9:49 am-9:20 am

2 stops17h 31m

Belfast City

Mon 8/31

9:50 am-9:46 pm

2 stops17h 56m

$1,121

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 4/28

6:38 pm-4:55 pm

2 stops16h 17m

Belfast City

Sun 5/3

9:50 am-10:28 pm

2 stops18h 38m

$1,182

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 Chicago 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 Chicago to Belfast?

British Airways, Aer Lingus, and American Airlines are the most popular carriers operating from Chicago to Belfast

Cheap Chicago to Belfast flight deals and tips

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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Chicago to Belfast takes 11h 20m
There are no direct flights from Chicago to Belfast. There are no popular flight routes from Chicago to Belfast.
Search flight deals

  • How far is Chicago to Belfast by plane?

    Chicago and Belfast are 3636.7 mi apart from one another. Typically, this will take 11h 20m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from Chicago to Belfast?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belfast.

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

    The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Belfast

Compare and see reviews for airlines that fly from Chicago to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,813 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Chicago to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

Flights from Chicago to Belfast 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 Chicago to Belfast?

Once all potential Chicago to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago 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

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport