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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £339

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to O'Hare Intl
Explore the most affordable flight options available from Belfast to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Mon 27/408:15
BFS
-
ORD
3 stops31h 21m
Multiple Airlines
Mon 4/519:25
ORD
-
BFS
2 stops14h 50m
Multiple Airlines
Deal found 26/3£573
Mon 27/408:45
BHD
-
ORD
3 stops30h 51m
Multiple Airlines
Mon 4/516:50
ORD
-
BHD
2 stops18h 00m
Multiple Airlines
Deal found 26/3£632
Tue 1/908:50
BFS
-
ORD
3 stops42h 35m
Multiple Airlines
Tue 29/919:25
ORD
-
BFS
2 stops14h 55m
Multiple Airlines
Deal found 24/3£641
Tue 1/920:25
BHD
-
ORD
1 stop23h 25m
Multiple Airlines
Tue 29/909:40
ORD
-
BHD
2 stops17h 20m
Multiple Airlines
Deal found 24/3£669
Mon 27/417:30
BHD
-
ORD
1 stop26h 45m
Virgin Atlantic
Mon 4/516:50
ORD
-
BHD
1 stop18h 05m
Virgin Atlantic
Deal found 26/3£682
Tue 1/909:40
BHD
-
ORD
2 stops16h 45m
British Airways
Tue 29/913:59
ORD
-
BHD
2 stops14h 46m
British Airways
Deal found 24/3£683
Mon 11/506:40
BFS
-
ORD
2 stops17h 35m
Multiple Airlines
Mon 18/519:25
ORD
-
BFS
2 stops14h 50m
Multiple Airlines
Deal found 27/3£689
Thu 12/1106:35
BHD
-
ORD
2 stops18h 15m
British Airways
Mon 16/1118:50
ORD
-
BHD
1 stop15h 15m
British Airways
Deal found 22/3£691
Thu 3/1209:05
BHD
-
ORD
1 stop14h 00m
British Airways
Mon 7/1217:34
ORD
-
BHD
2 stops16h 31m
British Airways
Deal found 23/3£696
Mon 29/606:40
BFS
-
ORD
2 stops17h 35m
Multiple Airlines
Wed 15/719:25
ORD
-
BFS
2 stops20h 20m
Multiple Airlines
Deal found 23/3£761
Sat 1/811:10
BFS
-
ORD
2 stops30h 40m
Multiple Airlines
Tue 4/822:25
ORD
-
BFS
2 stops17h 50m
Multiple Airlines
Deal found 25/3£865

Find flight deals from Belfast to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to O'Hare Intl (ORD). 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 27 March 2026.

Round-trip from

£573

One-way from

£339
27/4-4/5
  • 27/4-4/5
  • 5 total stops
  • 46h 11m total
  • Belfast to Chicago
Search Deals
23/6
  • 23/6
  • 3 total stops
  • 36h 50m total
  • Belfast to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to O'Hare 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 27 March 2026.
Use the filters below to find and compare flights from Belfast to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 27/4

08:15-23:07

2 stops20h 52m

Chicago O'Hare Intl

Mon 4/5

19:25-16:15

2 stops14h 50m

£591

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

08:45-09:36

3 stops30h 51m

Chicago O'Hare Intl

Mon 4/5

16:50-16:50

2 stops18h 00m

£632

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 1/9

08:50-21:25

3 stops42h 35m

Chicago O'Hare Intl

Tue 29/9

19:25-16:20

2 stops14h 55m

£641

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 1/9

20:25-13:50

1 stop23h 25m

Chicago O'Hare Intl

Tue 29/9

09:40-09:00

2 stops17h 20m

£669

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 27/4

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 4/5

13:36-16:55

2 stops21h 19m

£682
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 1/9

09:40-20:25

2 stops16h 45m

Chicago O'Hare Intl

Tue 29/9

13:59-10:45

2 stops14h 46m

£683

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 11/5

17:35-19:25

3 stops31h 50m

Chicago O'Hare Intl

Mon 18/5

15:45-23:20

3 stops25h 35m

£767

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 19/4

17:30-14:30

1 stop27h 00m

Chicago O'Hare Intl

Sun 26/4

16:20-16:55

1 stop18h 35m

£785

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 19/4

20:10-12:20

1 stop22h 10m

Chicago O'Hare Intl

Sun 26/4

22:19-15:30

2 stops35h 11m

£789

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 29/6

09:40-23:37

2 stops19h 57m

Chicago O'Hare Intl

Wed 15/7

17:00-12:00

1 stop13h 00m

£857

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 30 resultsSorted by cheapest first
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3

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Belfast 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.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Chicago O'Hare Intl Airport
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 27 March 2026.
See what other customers who have flown with British Airways from Belfast to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,822 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Crew

7.6

Food

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,822 reviews
British Airways
6.7
Okay
7,822 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Comfort

6.8

Crew

7.6

Food

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

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

  • How long is the flight from Belfast to Chicago O'Hare Intl Airport?

    Departing from Belfast to Chicago O'Hare Intl Airport will take you 26h 45m. There are 3644 mi between Belfast and Chicago O'Hare Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to O'Hare 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.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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Alternative routes for Belfast to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to O'Hare Intl flights
Belfast City to O'Hare Intl flights

Top airline flying from Belfast to O'Hare Intl

Discover the top airline that operate flights from Belfast to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£503Average£657FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Belfast to O'Hare Intl?

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