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Cheap flights from Belfast to Chicago O'Hare Intl Airport from £389

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
7 4월 — 14 4월1
1 adult

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 2 4월 2025.

Round-trip from

£601

One-way from

£389

Popular in

March

Cheapest in

September

Average price

£770
1/5-12/5
  • 1/5-12/5
  • 4 total stops
  • 63h 59m total
  • Belfast to Chicago
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19/7
  • 19/7
  • 3 total stops
  • 41h 26m total
  • Belfast to Chicago
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£205 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 2 4월 2025.

목 1/521:10BFS - ORD
2 stops33h 21mMultiple Airlines
월 12/507:47ORD - BFS
2 stops30h 38mMultiple Airlines
Deal found 1/4£601
화 12/806:35BHD - ORD
1 stop13h 15mBritish Airways
월 8/921:15ORD - BHD
1 stop12h 25mBritish Airways
Deal found 1/4£875
월 2/606:30BHD - ORD
1 stop13h 40mKLM
금 6/616:20ORD - BHD
1 stop22h 55mKLM
Deal found 2/4£882
월 2/606:30BHD - ORD
1 stop13h 40mDelta
금 6/618:18ORD - BHD
2 stops16h 37mDelta
Deal found 1/4£884
월 2/606:30BHD - ORD
2 stops21h 00mVirgin Atlantic
금 6/613:45ORD - BHD
2 stops21h 10mVirgin Atlantic
Deal found 2/4£887

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 2 4월 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

목 1/5

21:10-00:31

2 stops33h 21m

Chicago O'Hare Intl

월 12/5

07:47-20:25

2 stops30h 38m

£601

BelfastChicago

BHD - ORD

BHDORD

Belfast City

화 12/8

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

월 8/9

21:15-15:40

1 stop12h 25m

£875

BelfastChicago

BHD - ORD

BHDORD

Belfast City

월 2/6

06:30-14:10

1 stop13h 40m

Chicago O'Hare Intl

금 6/6

16:20-16:55

1 stop18h 35m

£882

BelfastChicago

BHD - ORD

BHDORD

Belfast City

월 2/6

06:30-14:10

1 stop13h 40m

Chicago O'Hare Intl

금 6/6

18:18-16:55

2 stops16h 37m

£884

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

토 19/7

05:45-17:11

3 stops41h 26m

£389

BelfastChicago

BHD - ORD

BHDORD

Belfast City

토 19/7

06:55-00:32

3 stops23h 37m

£522

BelfastChicago

BHD - ORD

BHDORD

Belfast City

금 16/5

06:45-19:00

2 stops18h 15m

£614

BelfastChicago

BHD - ORD

BHDORD

Belfast City

토 19/7

07:05-18:15

1 stop17h 10m

£978

BelfastChicago

BHD - ORD

BHDORD

Belfast City

금 16/5

06:30-14:10

1 stop13h 40m

£1,274

Flights are sorted by cheapest return flights first.

Deals found on 1/4

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

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 2 4월 2025.
Delta
8.0
Very Good
7,897 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
637 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,060 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,715 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying 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 £875. Another option worth looking into is Virgin Atlantic, starting at £882 return.

  • What are the cheapest airlines to fly from Belfast to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £614. British Airways flights start at £978 while deals on Delta start at £1,274 one-way.

  • 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

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Alternative routes for Belfast to O'Hare Intl

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