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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £485

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

£488
American Airlines
  • American Airlines
  • 5/3-9/3
  • 2 total stops
  • 23h 50m total
  • Belfast to Chicago
Search Deals

Find flight deals from Belfast to O'Hare Intl

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 September 2025.

Wed 24/910:00BHD - ORD
1 stop13h 00mBritish Airways
Tue 21/1017:40ORD - BHD
1 stop10h 55mBritish Airways
Deal found 15/9£485
Wed 24/906:30BHD - ORD
1 stop14h 10mDelta
Tue 21/1010:30ORD - BHD
2 stops24h 25mDelta
Deal found 15/9£492
Thu 30/1016:35BFS - ORD
2 stops30h 10mMultiple Airlines
Thu 6/1119:20ORD - BFS
2 stops21h 00mMultiple Airlines
Deal found 15/9£521
Wed 29/1006:30BFS - ORD
2 stops16h 50mMultiple Airlines
Wed 5/1118:30ORD - BFS
2 stops21h 50mMultiple Airlines
Deal found 14/9£576

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 September 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

BHD - ORD

BHDORD

Belfast City

Thu 5/3

10:40-17:00

1 stop12h 20m

Chicago O'Hare Intl

Mon 9/3

21:45-14:15

1 stop11h 30m

£488

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 30/10

16:35-17:45

2 stops30h 10m

Chicago O'Hare Intl

Thu 6/11

19:20-22:20

2 stops21h 00m

£521

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 29/10

06:30-18:20

2 stops16h 50m

Chicago O'Hare Intl

Wed 5/11

18:30-22:20

2 stops21h 50m

£576

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 September 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
7,363 reviews
Check prices

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,363 reviews
British Airways
6.7
Okay
7,363 reviews
Check prices

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.3

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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 £476.

  • 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.

  • What is the cheapest month to book a flight from Belfast to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Chicago O'Hare Intl Airport (average of £595). Flying from Belfast to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Rosemont

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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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£476Average£611FlexibilityNo 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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