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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £327

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
10 Jul — 17 Jul1
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 10 June 2026.

Thu 17/906:30
BHD
-
ORD
1 stop17h 45m
British Airways
Mon 21/922:35
ORD
-
BHD
1 stop12h 55m
British Airways
Deal found 8/6£653
Thu 5/1109:05
BHD
-
ORD
2 stops15h 20m
British Airways
Sun 8/1116:06
ORD
-
BHD
2 stops15h 49m
British Airways
Deal found 8/6£657
Wed 22/722:45
BFS
-
ORD
3 stops27h 20m
Multiple Airlines
Wed 29/719:25
ORD
-
BFS
3 stops20h 55m
Multiple Airlines
Deal found 7/6£680
Mon 15/606:30
BHD
-
ORD
1 stop11h 55m
American Airlines
Mon 22/620:50
ORD
-
BHD
1 stop12h 40m
American Airlines
Deal found 7/6£710
Mon 15/606:30
BHD
-
ORD
1 stop11h 55m
Multiple Airlines
Mon 22/622:30
ORD
-
BHD
1 stop14h 15m
Multiple Airlines
Deal found 8/6£715
Mon 13/720:35
BFS
-
ORD
3 stops29h 17m
Multiple Airlines
Sun 19/719:25
ORD
-
BFS
2 stops20h 05m
Multiple Airlines
Deal found 6/6£720
Mon 20/720:35
BFS
-
ORD
3 stops31h 30m
Multiple Airlines
Sat 25/719:25
ORD
-
BFS
2 stops19h 15m
Multiple Airlines
Deal found 10/6£724
Mon 6/706:40
BFS
-
ORD
2 stops19h 12m
Multiple Airlines
Mon 13/719:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Deal found 6/6£737
Mon 15/606:10
BFS
-
ORD
2 stops21h 15m
Multiple Airlines
Mon 22/619:25
ORD
-
BFS
2 stops21h 00m
Multiple Airlines
Deal found 7/6£776

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 10 June 2026.

Round-trip from

£653

One-way from

£327
British Airways
  • British Airways
  • 17/9-21/9
  • 3 total stops
  • 26h 56m total
  • Belfast to Chicago
Search Deals
8/10
  • 8/10
  • 3 total stops
  • 32h 25m 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 10 June 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

BHD - ORD

BHDORD

Belfast City

Thu 17/9

06:30-18:15

1 stop17h 45m

Chicago O'Hare Intl

Mon 21/9

22:35-17:30

1 stop12h 55m

£653
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/11

11:05-19:15

1 stop14h 10m

Chicago O'Hare Intl

Sun 8/11

16:05-13:55

2 stops15h 50m

£653

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 22/7

22:45-20:05

3 stops27h 20m

Chicago O'Hare Intl

Wed 29/7

19:25-22:20

3 stops20h 55m

£680

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 20/7

20:35-22:05

3 stops31h 30m

Chicago O'Hare Intl

Sat 25/7

19:25-20:40

2 stops19h 15m

£724

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:40-19:52

2 stops19h 12m

Chicago O'Hare Intl

Mon 13/7

19:25-23:20

3 stops21h 55m

£737

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

05:50-20:05

3 stops20h 15m

Chicago O'Hare Intl

Sun 19/7

08:45-12:00

3 stops21h 15m

£1,355
Cheapest one-way

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 8/10

15:25-17:50

3 stops32h 25m

£327

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 5/9

09:35-15:55

1 stop12h 20m

£377

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 9/8

07:00-19:15

3 stops42h 15m

£406

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 9/8

07:00-19:15

3 stops42h 15m

£420

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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 10 June 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
8,035 reviews
Check prices

Food

6.4

Entertainment

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

Comfort

6.8

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
8,035 reviews
British Airways
6.7
Okay
8,035 reviews
Check prices

Food

6.4

Entertainment

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

Comfort

6.8

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 17h 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£502Average£655FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

Yes! Cheapflights helps users easily find flights from Belfast to O'Hare Intl with no change fees.

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