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Cheap flights from Chicago O'Hare Intl Airport to Belfast from $323

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 O'Hare Intl Airport to Belfast departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:00 pm - 12:55 pm
ORD
-
BHD
13h 55m
1 stop
British Airways Logo
6:35 am - 7:45 pm
BHD
-
ORD
18h 10m
1 stop
$871British Airways
Mon, Oct 19 - Wed, Oct 28
British Airways Logo
9:45 pm - 2:50 pm
ORD
-
BHD
11h 05m
1 stop
British Airways Logo
6:45 am - 6:45 pm
BHD
-
ORD
18h 00m
1 stop
$886British Airways
Tue, Nov 10 - Fri, Nov 13
British Airways Logo
5:10 pm - 11:30 am
ORD
-
BHD
12h 20m
1 stop
British Airways Logo
6:45 am - 1:50 pm
BHD
-
ORD
13h 05m
1 stop
$887British Airways
Tue, Nov 10 - Fri, Nov 13
British Airways Logo
9:45 pm - 6:40 pm
ORD
-
BHD
14h 55m
1 stop
British Airways Logo
8:45 am - 6:45 pm
BHD
-
ORD
16h 00m
1 stop
$888British Airways
Tue, Nov 10 - Fri, Nov 13
British Airways Logo
9:45 pm - 4:45 pm
ORD
-
BHD
13h 00m
1 stop
British Airways Logo
11:30 am - 6:45 pm
BHD
-
ORD
13h 15m
1 stop
$889British Airways
Tue, Nov 10 - Fri, Nov 13
British Airways Logo
4:01 pm - 12:55 pm
ORD
-
BHD
14h 54m
2 stops
British Airways Logo
12:25 pm - 7:45 pm
BHD
-
ORD
12h 20m
1 stop
$893British Airways
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
8:50 am - 7:15 pm
ORD
-
BFS
28h 25m
2 stops
Multiple Airlines Logo
9:55 pm - 5:52 am
BFS
-
ORD
37h 57m
3 stops
$898Multiple Airlines
Wed, Jun 10 - Mon, Jun 15
British Airways Logo
9:40 am - 8:50 am
ORD
-
BHD
17h 10m
2 stops
British Airways Logo
6:35 am - 7:35 pm
BHD
-
ORD
18h 00m
2 stops
$902British Airways
Mon, Oct 19 - Wed, Oct 28
British Airways Logo
9:15 pm - 3:30 pm
ORD
-
BHD
12h 15m
1 stop
British Airways Logo
7:35 pm - 1:50 pm
BHD
-
ORD
24h 15m
1 stop
$933British Airways
Thu, Oct 8 - Mon, Oct 12
Delta Logo
4:20 pm - 4:55 pm
ORD
-
BHD
18h 35m
1 stop
Delta Logo
5:30 pm - 2:30 pm
BHD
-
ORD
27h 00m
1 stop
$1,017Delta
Tue, Jul 21 - Tue, Aug 11

British Airways flights from Chicago O'Hare Intl Airport to Belfast

Our best British Airways deals on Chicago O'Hare Intl Airport to Belfast flight tickets
British Airways
Oct 19
ORD5:00 pmChicago O'Hare Intl
13h 55m
1 stop
BHD12:55 pmBelfast City
Oct 28
BHD6:35 amBelfast City
18h 10m
1 stop
ORD7:45 pmChicago O'Hare Intl
$871
British Airways
Nov 10
ORD9:45 pmChicago O'Hare Intl
11h 05m
1 stop
BHD2:50 pmBelfast City
Nov 13
BHD6:45 amBelfast City
18h 00m
1 stop
ORD6:45 pmChicago O'Hare Intl
$886
British Airways
Nov 10
ORD5:10 pmChicago O'Hare Intl
12h 20m
1 stop
BHD11:30 amBelfast City
Nov 13
BHD6:45 amBelfast City
13h 05m
1 stop
ORD1:50 pmChicago O'Hare Intl
$887

Delta flights from Chicago O'Hare Intl Airport to Belfast

Our best Delta deals on Chicago O'Hare Intl Airport to Belfast flight tickets
Delta
Jul 21
ORD4:20 pmChicago O'Hare Intl
18h 35m
1 stop
BHD4:55 pmBelfast City
Aug 11
BHD5:30 pmBelfast City
27h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,017
Delta
Jul 21
ORD6:22 pmChicago O'Hare Intl
16h 33m
2 stops
BHD4:55 pmBelfast City
Aug 11
BHD5:30 pmBelfast City
27h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,021
Delta
Jul 21
ORD2:07 pmChicago O'Hare Intl
20h 48m
2 stops
BHD4:55 pmBelfast City
Aug 11
BHD5:30 pmBelfast City
27h 27m
2 stops
ORD2:57 pmChicago O'Hare Intl
$1,031

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 May 17, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/19

5:00 pm-12:55 pm

1 stop13h 55m

Belfast City

Wed 10/28

6:35 am-7:45 pm

1 stop18h 10m

$871

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 11/10

9:45 pm-2:50 pm

1 stop11h 05m

Belfast City

Fri 11/13

6:45 am-6:45 pm

1 stop18h 00m

$886
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 11/10

5:10 pm-11:30 am

1 stop12h 20m

Belfast City

Fri 11/13

6:45 am-1:50 pm

1 stop13h 05m

$887

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 11/10

9:45 pm-6:40 pm

1 stop14h 55m

Belfast City

Fri 11/13

8:45 am-6:45 pm

1 stop16h 00m

$888

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 11/10

9:45 pm-4:45 pm

1 stop13h 00m

Belfast City

Fri 11/13

11:30 am-6:45 pm

1 stop13h 15m

$889

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/19

4:01 pm-12:55 pm

2 stops14h 54m

Belfast City

Wed 10/28

12:25 pm-7:45 pm

1 stop12h 20m

$893

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 6/10

8:50 am-7:15 pm

2 stops28h 25m

Belfast Intl

Mon 6/15

9:55 pm-5:52 am

3 stops37h 57m

$898

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/19

9:40 am-8:50 am

2 stops17h 10m

Belfast City

Wed 10/28

6:35 am-7:35 pm

2 stops18h 00m

$902

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/8

9:15 pm-3:30 pm

1 stop12h 15m

Belfast City

Mon 10/12

7:35 pm-1:50 pm

1 stop24h 15m

$933

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 7/21

4:20 pm-4:55 pm

1 stop18h 35m

Belfast City

Tue 8/11

5:30 pm-2:30 pm

1 stop27h 00m

$1,017

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 O'Hare Intl Airport 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 O'Hare Intl to Belfast?

British Airways is the most popular carrier operating from Chicago O'Hare Intl to Belfast

Cheap Chicago O'Hare Intl Airport to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Belfast

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Belfast takes 11h 00m
There are no direct flights from Chicago O'Hare Intl Airport to Belfast. There are no popular flight routes from Chicago O'Hare Intl Airport to Belfast.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Belfast

  • How far is Chicago O'Hare Intl to Belfast by plane?

    Belfast is 3642.0 mi away from Chicago O'Hare Intl. Typically, this will take 11h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Belfast?

    Prices for flights from Chicago O'Hare Intl Airport to Belfast were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Belfast?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Belfast?

    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 Chicago O'Hare Intl Airport to Belfast.

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

    The necessary travel and health documents for your Belfast 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.

Best airlines flying from Chicago O'Hare Intl Airport to Belfast

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,982 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Belfast from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

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

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