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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £268

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
8 Aug — 15 Aug1
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 9 July 2026.

Mon 24/820:35
BFS
-
ORD
3 stops31h 30m
Multiple Airlines
Sun 30/819:25
ORD
-
BFS
3 stops19h 30m
Multiple Airlines
Deal found 5/7£606
Mon 31/806:30
BFS
-
ORD
3 stops33h 46m
Multiple Airlines
Mon 7/922:25
ORD
-
BFS
2 stops16h 15m
Multiple Airlines
Deal found 7/7£629
Wed 5/822:45
BFS
-
ORD
2 stops22h 10m
Multiple Airlines
Tue 11/819:25
ORD
-
BFS
2 stops20h 50m
Multiple Airlines
Deal found 9/7£657
Mon 31/811:05
BHD
-
ORD
2 stops35h 05m
Multiple Airlines
Mon 7/919:15
ORD
-
BHD
2 stops19h 50m
Multiple Airlines
Deal found 7/7£696
Tue 17/1110:00
BHD
-
ORD
1 stop14h 45m
Multiple Airlines
Sat 28/1120:40
ORD
-
BHD
1 stop14h 05m
Multiple Airlines
Deal found 7/7£709
Tue 17/1117:20
BHD
-
ORD
2 stops29h 17m
KLM
Sat 28/1111:30
ORD
-
BHD
2 stops15h 40m
KLM
Deal found 7/7£725
Mon 31/817:30
BHD
-
ORD
1 stop26h 45m
Virgin Atlantic
Mon 7/916:50
ORD
-
BHD
1 stop18h 05m
Virgin Atlantic
Deal found 7/7£756
Mon 31/817:30
BHD
-
ORD
2 stops27h 29m
KLM
Mon 7/916:50
ORD
-
BHD
1 stop18h 05m
KLM
Deal found 7/7£761
Thu 27/809:35
BHD
-
ORD
1 stop14h 40m
American Airlines
Thu 3/922:30
ORD
-
BHD
1 stop14h 55m
American Airlines
Deal found 5/7£810
Thu 27/809:35
BHD
-
ORD
1 stop14h 40m
British Airways
Thu 3/916:14
ORD
-
BHD
2 stops17h 16m
British Airways
Deal found 5/7£813
Thu 27/806:30
BHD
-
ORD
2 stops16h 28m
Multiple Airlines
Thu 3/917:49
ORD
-
BHD
2 stops15h 41m
Multiple Airlines
Deal found 5/7£852

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 9 July 2026.

Round-trip from

£606

One-way from

£268
24/8-30/8
  • 24/8-30/8
  • 6 total stops
  • 51h 00m total
  • Belfast to Chicago
Search Deals
16/9
  • 16/9
  • 3 total stops
  • 55h 40m 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 9 July 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 24/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£619

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 31/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Mon 7/9

22:25-20:40

2 stops16h 15m

£629

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 5/8

22:45-14:55

2 stops22h 10m

Chicago O'Hare Intl

Tue 11/8

19:25-19:50

3 stops18h 25m

£679

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

11:05-16:10

3 stops35h 05m

Chicago O'Hare Intl

Mon 7/9

19:15-21:05

2 stops19h 50m

£699
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 17/11

06:35-19:28

2 stops18h 53m

Chicago O'Hare Intl

Sat 28/11

17:10-11:10

1 stop12h 00m

£714

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 22/8

20:15-21:25

3 stops31h 10m

Chicago O'Hare Intl

Sat 29/8

22:25-20:50

2 stops16h 25m

£738

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£756

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:59

2 stops27h 29m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£761

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 27/8

06:20-19:15

2 stops18h 55m

Chicago O'Hare Intl

Thu 3/9

17:10-15:05

1 stop15h 55m

£767

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

16:14-15:30

2 stops17h 16m

£813

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.

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 14h 40m. There are 3644 mi between Belfast and Chicago O'Hare Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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

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