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Cheap flights from Chicago O'Hare Intl Airport to Belfast from $315

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 4/28. 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 O'Hare Intl Airport to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 11:20 pm
ORD
-
BFS
29h 55m
2 stops
Multiple Airlines Logo
8:50 am - 9:40 am
BFS
-
ORD
30h 50m
2 stops
$836Multiple Airlines
wt., kwi 28 - wt., maj 5
Multiple Airlines Logo
7:25 pm - 7:50 pm
ORD
-
BFS
18h 25m
3 stops
Multiple Airlines Logo
7:35 am - 4:00 pm
BFS
-
ORD
38h 25m
3 stops
$867Multiple Airlines
wt., kwi 28 - wt., maj 5
Multiple Airlines Logo
7:25 pm - 3:15 pm
ORD
-
BFS
13h 50m
2 stops
Multiple Airlines Logo
7:35 am - 4:00 pm
BFS
-
ORD
38h 25m
3 stops
$875Multiple Airlines
wt., kwi 28 - wt., maj 5
British Airways Logo
9:15 pm - 2:35 pm
ORD
-
BHD
11h 20m
1 stop
British Airways Logo
8:25 pm - 3:55 pm
BHD
-
ORD
25h 30m
1 stop
$883British Airways
ndz., wrz 6 - wt., wrz 8
British Airways Logo
9:15 pm - 5:40 pm
ORD
-
BHD
14h 25m
1 stop
British Airways Logo
8:25 pm - 3:55 pm
BHD
-
ORD
25h 30m
1 stop
$884British Airways
ndz., wrz 6 - wt., wrz 8
Multiple Airlines Logo
6:10 pm - 4:55 pm
ORD
-
BHD
16h 45m
2 stops
Multiple Airlines Logo
5:30 pm - 2:15 pm
BHD
-
ORD
26h 45m
1 stop
$906Multiple Airlines
wt., wrz 1 - śr., wrz 9
British Airways Logo
4:16 pm - 3:20 pm
ORD
-
BHD
17h 04m
2 stops
British Airways Logo
11:35 am - 6:15 pm
BHD
-
ORD
12h 40m
1 stop
$914British Airways
wt., wrz 1 - śr., wrz 9
Multiple Airlines Logo
6:10 pm - 4:55 pm
ORD
-
BHD
16h 45m
2 stops
Multiple Airlines Logo
9:50 am - 9:36 pm
BHD
-
ORD
17h 46m
2 stops
$916Multiple Airlines
wt., wrz 1 - śr., wrz 9
Multiple Airlines Logo
11:25 am - 1:40 pm
ORD
-
BHD
20h 15m
2 stops
Multiple Airlines Logo
7:00 am - 9:40 am
BHD
-
ORD
32h 40m
2 stops
$918Multiple Airlines
wt., kwi 28 - wt., maj 5
British Airways Logo
7:05 pm - 3:20 pm
ORD
-
BHD
14h 15m
1 stop
British Airways Logo
8:35 pm - 1:50 pm
BHD
-
ORD
23h 15m
1 stop
$932British Airways
wt., wrz 1 - śr., wrz 9

KLM flights from Chicago O'Hare Intl Airport to Belfast

Our best KLM deals on Chicago O'Hare Intl Airport to Belfast flight tickets
KLM
Apr 28
ORD11:19 amChicago O'Hare Intl
16h 01m
2 stops
BHD9:20 amBelfast City
May 5
BHD5:30 pmBelfast City
27h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$962
KLM
Jun 1
ORD7:00 pmChicago O'Hare Intl
15h 55m
2 stops
BHD4:55 pmBelfast City
Jun 10
BHD9:50 amBelfast City
16h 41m
2 stops
ORD8:31 pmChicago O'Hare Intl
$1,206
KLM
Jun 1
ORD12:30 pmChicago O'Hare Intl
14h 50m
2 stops
BHD9:20 amBelfast City
Jun 10
BHD9:50 amBelfast City
20h 09m
2 stops
ORD11:59 pmChicago O'Hare Intl
$1,208

Aer Lingus flights from Chicago O'Hare Intl Airport to Belfast

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to Belfast flight tickets
Aer Lingus
Apr 28
ORD3:45 pmChicago O'Hare Intl
17h 15m
2 stops
BHD3:00 pmBelfast City
May 5
BHD6:50 amBelfast City
18h 25m
2 stops
ORD7:15 pmChicago O'Hare Intl
$1,071
Aer Lingus
May 4
ORD3:45 pmChicago O'Hare Intl
17h 15m
2 stops
BHD3:00 pmBelfast City
May 8
BHD7:00 amBelfast City
18h 15m
2 stops
ORD7:15 pmChicago O'Hare Intl
$1,073
Aer Lingus
Apr 3
ORD3:45 pmChicago O'Hare Intl
17h 15m
2 stops
BHD3:00 pmBelfast City
Apr 5
BHD5:55 pmBelfast City
26h 05m
2 stops
ORD2:00 pmChicago O'Hare Intl
$1,222

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 Kwiecień 2, 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 - BFS

ORDBFS

Chicago O'Hare Intl

wt. 4/28

11:25 am-11:20 pm

2 stops29h 55m

Belfast Intl

wt. 5/5

8:50 am-9:40 am

2 stops30h 50m

$836

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

wt. 4/28

7:25 pm-7:50 pm

3 stops18h 25m

Belfast Intl

wt. 5/5

7:35 am-4:00 pm

3 stops38h 25m

$867

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

wt. 4/28

7:25 pm-3:15 pm

2 stops13h 50m

Belfast Intl

wt. 5/5

7:35 am-4:00 pm

3 stops38h 25m

$875

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ndz. 9/6

9:15 pm-2:35 pm

1 stop11h 20m

Belfast City

wt. 9/8

8:25 pm-3:55 pm

1 stop25h 30m

$883

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ndz. 9/6

9:15 pm-5:40 pm

1 stop14h 25m

Belfast City

wt. 9/8

8:25 pm-3:55 pm

1 stop25h 30m

$884

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

wt. 9/1

6:10 pm-4:55 pm

2 stops16h 45m

Belfast City

śr. 9/9

5:30 pm-2:15 pm

1 stop26h 45m

$906
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

wt. 9/1

4:16 pm-3:20 pm

2 stops17h 04m

Belfast City

śr. 9/9

11:35 am-6:15 pm

1 stop12h 40m

$914

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

wt. 9/1

6:10 pm-4:55 pm

2 stops16h 45m

Belfast City

śr. 9/9

9:50 am-9:36 pm

2 stops17h 46m

$916

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

wt. 4/28

11:25 am-1:40 pm

2 stops20h 15m

Belfast City

wt. 5/5

7:00 am-9:40 am

2 stops32h 40m

$918

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

wt. 9/1

7:05 pm-3:20 pm

1 stop14h 15m

Belfast City

śr. 9/9

8:35 pm-1:50 pm

1 stop23h 15m

$932

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?

Air France, Virgin Atlantic, and Delta are the most popular carriers 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
7,841 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