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Cheap flights from Chicago O'Hare Intl Airport to Belfast Intl Airport from £293

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
7 Apr — 14 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Belfast Intl
Explore the most affordable flight options available from O'Hare Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2026.

Sun 19/419:25
ORD
-
BFS
2 stops20h 05m
Multiple Airlines
Sun 26/420:20
BFS
-
ORD
3 stops27h 30m
Multiple Airlines
Deal found 4/3£458
Thu 23/411:25
ORD
-
BFS
2 stops30h 00m
Multiple Airlines
Wed 29/408:55
BFS
-
ORD
2 stops30h 45m
Multiple Airlines
Deal found 7/3£535
Fri 8/516:05
ORD
-
BFS
2 stops23h 10m
Multiple Airlines
Wed 13/508:30
BFS
-
ORD
3 stops39h 20m
Multiple Airlines
Deal found 6/3£571
Sun 13/921:00
ORD
-
BFS
2 stops18h 30m
Multiple Airlines
Sat 19/911:10
BFS
-
ORD
3 stops36h 40m
Multiple Airlines
Deal found 7/3£610
Mon 13/411:25
ORD
-
BFS
2 stops30h 40m
Multiple Airlines
Mon 20/406:25
BFS
-
ORD
2 stops33h 15m
Multiple Airlines
Deal found 3/3£619
Sat 4/419:25
ORD
-
BFS
2 stops19h 15m
Multiple Airlines
Sat 11/416:55
BFS
-
ORD
3 stops46h 45m
Multiple Airlines
Deal found 7/3£652

Find flight deals from O'Hare Intl to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 March 2026.

Round-trip from

£458

One-way from

£293
19/4-26/4
  • 19/4-26/4
  • 5 total stops
  • 47h 35m total
  • Chicago to Belfast
Search Deals
8/7
  • 8/7
  • 2 total stops
  • 39h 50m total
  • Chicago to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Belfast Intl 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, Cheapflights users made 858,174 searches. Data last updated 8 March 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 19/4

19:25-21:30

2 stops20h 05m

Belfast Intl

Sun 26/4

20:20-17:50

3 stops27h 30m

£458

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 8/5

16:05-21:15

2 stops23h 10m

Belfast Intl

Wed 13/5

08:30-17:50

3 stops39h 20m

£571

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 13/4

11:25-00:05

2 stops30h 40m

Belfast Intl

Mon 20/4

06:25-09:40

2 stops33h 15m

£619

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 23/4

22:30-23:25

1 stop18h 55m

Belfast Intl

Wed 29/4

05:55-15:55

1 stop16h 00m

£674

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 4/4

19:25-20:40

2 stops19h 15m

Belfast Intl

Sat 11/4

21:40-21:25

2 stops29h 45m

£687
Fastest return journey

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 17/8

15:45-10:00

2 stops12h 15m

Belfast Intl

Wed 26/8

08:15-21:25

2 stops19h 10m

£713

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 31/7

15:35-21:15

2 stops23h 40m

Belfast Intl

Sat 8/8

15:35-11:50

2 stops26h 15m

£785
Cheapest one-way

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 8/7

21:40-19:30

2 stops39h 50m

£293
Fastest single journey

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 22/5

15:50-21:50

2 stops24h 00m

£428

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Sorted by cheapest first

Best time to book a flight from O'Hare Intl to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from O'Hare Intl to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast Intl.

  • Can I find deals for business class flights from O'Hare Intl to Belfast Intl?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Belfast Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from O'Hare Intl.

Can Cheapflights find flights from O'Hare Intl to Belfast Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Belfast Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Belfast Intl become cheaper?

Of course! You can now track prices for flights from O'Hare Intl to Belfast Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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