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O'Hare Intl

$820+ Cheap flights from Belfast to O'Hare Intl (ORD)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Round-trip from

$848
(British Airways)

One-way from

$820
(KAYAK)

Popular in

March

Cheapest in

September

Average price

$995
From Belfast to Chicago O'Hare Intl
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One-way flight from Belfast to Chicago O'Hare Intl
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Highest demand for flights based on searches. 26% potential increase in price ($343 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($71 potential savings vs. average RT 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 April 29, 2025.

This British Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:05 amBHD - ORD
1 stop13h 40mBritish Airways
Sat 6/145:45 pmORD - BHD
1 stop12h 30mBritish Airways
Deal found 4/29$848
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:05 amBFS - ORD
2 stops21h 10mMultiple Airlines
Fri 6/207:25 pmORD - BFS
2 stops18h 40mMultiple Airlines
Deal found 4/29$921
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:30 amBHD - ORD
1 stop13h 40mDelta
Sat 6/145:37 pmORD - BHD
2 stops21h 38mDelta
Deal found 4/28$944
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:05 amBHD - ORD
1 stop13h 40mAmerican Airlines
Sat 6/145:45 pmORD - BHD
1 stop10h 25mAmerican Airlines
Deal found 4/29$966

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 29, 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

Sat 6/7

7:05 am-2:45 pm

1 stop13h 40m

Chicago O'Hare Intl

Sat 6/14

5:45 pm-12:15 pm

1 stop12h 30m

$848

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 6/13

6:05 am-9:15 pm

2 stops21h 10m

Chicago O'Hare Intl

Fri 6/20

7:25 pm-8:05 pm

2 stops18h 40m

$921

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/7

6:30 am-2:10 pm

1 stop13h 40m

Chicago O'Hare Intl

Sat 6/14

5:37 pm-9:15 pm

2 stops21h 38m

$944

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/7

6:30 am-7:14 pm

2 stops18h 44m

Chicago O'Hare Intl

Sat 6/14

5:37 pm-9:15 pm

2 stops21h 38m

$953

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/7

7:05 am-2:45 pm

1 stop13h 40m

Chicago O'Hare Intl

Sat 6/14

5:45 pm-10:10 am

1 stop10h 25m

$966

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 5/16

10:20 am-7:00 pm

2 stops14h 40m

$867

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 8/4

2:30 pm-9:15 pm

3 stops36h 45m

$1,186

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 5/16

6:30 am-2:10 pm

1 stop13h 40m

$1,694

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 8/6

11:30 am-6:15 pm

1 stop12h 45m

$2,954

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 8/6

6:50 am-2:50 pm

1 stop14h 00m

$2,956

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 round-trip 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
1,076 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
Iberia
7.0
Good
2,698 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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?

    British Airways, at $848, was found to be the cheapest airline from Belfast to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Delta and American Airlines.

  • 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 $820. KLM flights start at $1,694 while deals on Delta start at $1,695 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 vacation 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, August is the cheapest month in which you can book a flight from Belfast to Chicago O'Hare Intl Airport (average of $245). Flying from Belfast to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Belfast?

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Lake Geneva
Waukegan

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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.
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