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Cheap flights from Chicago O'Hare Intl Airport to Belfast from $265

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 9/1. 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

Discover deals from 900+ travel sites with momondo.

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.
Multiple Airlines Logo
7:25 pm - 4:15 pm
ORD
-
BHD
14h 50m
3 stops
Multiple Airlines Logo
10:50 am - 9:25 pm
BHD
-
ORD
40h 35m
3 stops
$705Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:25 pm - 10:45 pm
ORD
-
BFS
21h 20m
3 stops
Multiple Airlines Logo
10:30 pm - 12:40 pm
BFS
-
ORD
44h 10m
3 stops
$715Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:25 pm - 11:20 pm
ORD
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
10:50 am - 9:20 pm
BFS
-
ORD
40h 30m
3 stops
$771Multiple Airlines
Mon, Aug 17 - Wed, Sep 9
Multiple Airlines Logo
10:25 pm - 5:50 pm
ORD
-
BHD
13h 25m
2 stops
Multiple Airlines Logo
10:50 am - 6:15 pm
BHD
-
ORD
37h 25m
3 stops
$785Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:25 pm - 9:50 pm
ORD
-
BFS
20h 25m
2 stops
Multiple Airlines Logo
8:15 pm - 2:00 pm
BFS
-
ORD
47h 45m
3 stops
$785Multiple Airlines
Sun, Sep 6 - Sat, Sep 12
Multiple Airlines Logo
7:25 pm - 11:20 pm
ORD
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
6:40 am - 9:25 pm
BFS
-
ORD
20h 45m
2 stops
$786Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
7:25 pm - 9:50 pm
ORD
-
BFS
20h 25m
2 stops
Multiple Airlines Logo
9:25 pm - 7:48 pm
BFS
-
ORD
28h 23m
3 stops
$822Multiple Airlines
Sun, Sep 6 - Mon, Sep 14
Multiple Airlines Logo
7:25 pm - 8:40 pm
ORD
-
BFS
19h 15m
2 stops
Multiple Airlines Logo
8:15 pm - 2:00 pm
BFS
-
ORD
47h 45m
3 stops
$830Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
British Airways Logo
9:15 pm - 3:30 pm
ORD
-
BHD
12h 15m
1 stop
British Airways Logo
7:40 pm - 1:50 pm
BHD
-
ORD
24h 10m
1 stop
$907British Airways
Mon, Aug 3 - Wed, Aug 19
British Airways Logo
7:05 pm - 12:55 pm
ORD
-
BHD
11h 50m
1 stop
British Airways Logo
11:35 am - 6:15 pm
BHD
-
ORD
12h 40m
1 stop
$915British Airways
Mon, Aug 17 - Wed, Sep 9

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American Airlines flights from Chicago O'Hare Intl Airport to Belfast

Our best American Airlines deals on Chicago O'Hare Intl Airport to Belfast flight tickets
American Airlines
Aug 14
ORD10:30 pmChicago O'Hare Intl
13h 40m
1 stop
BHD6:10 pmBelfast City
Aug 21
BHD6:30 amBelfast City
12h 00m
1 stop
ORD12:30 pmChicago O'Hare Intl
$987
American Airlines
Aug 14
ORD10:30 pmChicago O'Hare Intl
13h 40m
1 stop
BHD6:10 pmBelfast City
Aug 21
BHD9:35 amBelfast City
16h 11m
2 stops
ORD7:46 pmChicago O'Hare Intl
$995
American Airlines
Jul 28
ORD10:30 pmChicago O'Hare Intl
14h 25m
1 stop
BHD6:55 pmBelfast City
Aug 4
BHD6:30 amBelfast City
12h 00m
1 stop
ORD12:30 pmChicago O'Hare Intl
$1,031

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
Aug 3
ORD9:15 pmChicago O'Hare Intl
12h 15m
1 stop
BHD3:30 pmBelfast City
Aug 19
BHD7:40 pmBelfast City
24h 10m
1 stop
ORD1:50 pmChicago O'Hare Intl
$907
British Airways
Aug 17
ORD7:05 pmChicago O'Hare Intl
11h 50m
1 stop
BHD12:55 pmBelfast City
Sep 9
BHD11:35 amBelfast City
12h 40m
1 stop
ORD6:15 pmChicago O'Hare Intl
$915
British Airways
Sep 6
ORD9:15 pmChicago O'Hare Intl
11h 20m
1 stop
BHD2:35 pmBelfast City
Sep 14
BHD7:35 pmBelfast City
26h 20m
1 stop
ORD3:55 pmChicago O'Hare Intl
$932

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 July 3, 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

Tue 9/1

7:25 pm-4:15 pm

3 stops14h 50m

Belfast City

Tue 9/8

10:50 am-9:25 pm

3 stops40h 35m

$705

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 9/1

7:25 pm-10:45 pm

3 stops21h 20m

Belfast Intl

Tue 9/8

10:30 pm-12:40 pm

3 stops44h 10m

$715

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 8/17

7:25 pm-11:20 pm

3 stops21h 55m

Belfast Intl

Wed 9/9

10:50 am-9:20 pm

3 stops40h 30m

$771

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/1

10:25 pm-5:50 pm

2 stops13h 25m

Belfast City

Tue 9/8

10:50 am-6:15 pm

3 stops37h 25m

$785

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 9/6

7:25 pm-9:50 pm

2 stops20h 25m

Belfast Intl

Sat 9/12

8:15 pm-2:00 pm

3 stops47h 45m

$785

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 9/1

7:25 pm-11:20 pm

3 stops21h 55m

Belfast Intl

Tue 9/8

6:40 am-9:25 pm

2 stops20h 45m

$786

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 9/6

7:25 pm-9:50 pm

2 stops20h 25m

Belfast Intl

Mon 9/14

9:25 pm-7:48 pm

3 stops28h 23m

$822

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 9/5

7:25 pm-8:40 pm

2 stops19h 15m

Belfast Intl

Sat 9/12

8:15 pm-2:00 pm

3 stops47h 45m

$830

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/3

9:15 pm-3:30 pm

1 stop12h 15m

Belfast City

Wed 8/19

7:40 pm-1:50 pm

1 stop24h 10m

$907
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/17

7:05 pm-12:55 pm

1 stop11h 50m

Belfast City

Wed 9/9

11:35 am-6:15 pm

1 stop12h 40m

$915

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 10m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Belfast takes 11h 10m
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 10m 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
8,091 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