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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £252

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
16 jan — 23 jan1
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 17 dezembro 2025.

ter 23/1214:15BHD - ORD
3 stops30h 45mMultiple Airlines
seg 5/109:34ORD - BHD
3 stops20h 41mMultiple Airlines
Deal found 16/12£927
ter 23/1211:25BHD - ORD
1 stop34h 00mFinnair
seg 5/116:11ORD - BHD
2 stops37h 19mFinnair
Deal found 16/12£990
ter 23/1219:25BHD - ORD
1 stop26h 00mBritish Airways
seg 5/118:30ORD - BHD
1 stop15h 35mBritish Airways
Deal found 16/12£1,067

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 17 dezembro 2025.

Round-trip from

£524

One-way from

£252
30/1-6/2
  • 30/1-6/2
  • 6 total stops
  • 73h 35m total
  • Belfast to Chicago
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 34h 05m 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 17 dezembro 2025.
Use the filters below to find and compare flights from Belfast to Chicago O'Hare Intl Airport that are best for you.

Fly from

Belfast

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

sex 30/1

21:05-14:45

3 stops47h 40m

Chicago O'Hare Intl

sex 6/2

07:15-15:10

3 stops25h 55m

£524

BelfastChicago

BHD - ORD

BHDORD

Belfast City

qui 29/1

09:05-15:25

1 stop12h 20m

Chicago O'Hare Intl

seg 2/2

18:25-14:15

1 stop13h 50m

£530

BelfastChicago

BHD - ORD

BHDORD

Belfast City

seg 26/1

09:15-17:00

1 stop13h 45m

Chicago O'Hare Intl

qui 29/1

17:10-10:20

1 stop11h 10m

£1,890

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

qui 29/1

06:30-10:35

2 stops34h 05m

£252

Flights are sorted by cheapest return flights first.

Deals found on 15/12

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 17 dezembro 2025.
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
7,583 reviews
Check prices

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.4

Crew

7.6

Boarding

6.9

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
7,583 reviews
British Airways
6.7
Okay
7,583 reviews
Check prices

Comfort

6.7

Overall

6.7

Entertainment

6.4

Food

6.4

Crew

7.6

Boarding

6.9

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 12h 20m. There are 3644 mi between Belfast and Chicago O'Hare Intl Airport.

  • What is the cheapest airline to fly from Belfast to Chicago O'Hare Intl Airport round-trip?

    Flying on British Airways is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £485.

  • 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
Downers Grove
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 17 dezembro 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£485Average£615FlexibilityNo 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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