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$335+ Cheap flights from O'Hare Intl (ORD) to Belfast

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Belfast (BF1). 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 24, 2025.

Round-trip from

$686
(Mytrip)

One-way from

$348
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$720
From Chicago O'Hare Intl to Belfast
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One-way flight from Chicago O'Hare Intl to Belfast
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Highest demand for flights based on searches. 18% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 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 O'Hare Intl to Belfast

Cheapest flights from O'Hare Intl to Belfast
Explore the most affordable flight options available from O'Hare Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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.
Tue 6/34:43 pmORD - BFS
2 stops17h 57mMultiple Airlines
Tue 6/106:15 amBFS - ORD
2 stops43h 48mMultiple Airlines
Deal found 4/23$674
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 4/285:45 pmORD - BHD
1 stop13h 10mAmerican Airlines
Tue 5/136:35 amBHD - ORD
1 stop14h 05mAmerican Airlines
Deal found 4/23$675
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/276:15 pmORD - BHD
2 stops16h 40mKLM
Tue 5/135:25 pmBHD - ORD
1 stop27h 15mKLM
Deal found 4/22$712
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:15 pmORD - BHD
1 stop14h 20mBritish Airways
Sun 8/246:50 amBHD - ORD
1 stop13h 00mBritish Airways
Deal found 4/22$716
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Mon 5/57:25 pmORD - BHD
2 stops19h 25mMultiple Airlines
Thu 5/88:15 pmBHD - ORD
2 stops33h 14mMultiple Airlines
Deal found 4/23$842
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 7/274:20 pmORD - BHD
1 stop22h 55mDelta
Mon 8/45:25 pmBHD - ORD
1 stop26h 45mDelta
Deal found 4/22$923
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:15 pmORD - BHD
2 stops15h 30mAer Lingus
Fri 8/110:10 amBHD - ORD
2 stops14h 50mAer Lingus
Deal found 4/22$1,350
This business-class.com deal was found by Cheapflights users on 4/21. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:20 pmORD - BHD
1 stop13h 00mIberia
Tue 4/294:25 pmBHD - ORD
1 stop25h 20mIberia
Deal found 4/21$7,463

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Belfast 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 24, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast that are best for you.

Fly from

O'Hare Intl

Fly to

Belfast

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 6/3

4:43 pm-4:40 pm

2 stops17h 57m

Belfast Intl

Tue 6/10

6:15 am-8:03 pm

2 stops43h 48m

$674

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 8/13

7:15 pm-3:35 pm

1 stop14h 20m

Belfast City

Sun 8/24

6:50 am-1:50 pm

1 stop13h 00m

$716

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 8/13

9:15 pm-3:35 pm

1 stop12h 20m

Belfast City

Sun 8/24

11:00 am-6:15 pm

1 stop13h 15m

$717

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 5/5

7:25 pm-8:50 pm

2 stops19h 25m

Belfast City

Thu 5/8

8:15 pm-11:29 pm

2 stops33h 14m

$842

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/27

4:20 pm-9:15 pm

1 stop22h 55m

Belfast City

Mon 8/4

5:25 pm-2:10 pm

1 stop26h 45m

$923

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 7/27

9:15 pm-6:45 pm

2 stops15h 30m

Belfast City

Fri 8/1

10:10 am-7:00 pm

2 stops14h 50m

$1,350

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 7/28

5:45 pm-4:55 pm

2 stops17h 10m

Belfast City

Fri 8/1

6:30 am-2:10 pm

1 stop13h 40m

$1,402

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 8/17

6:00 pm-11:20 am

3 stops35h 20m

$335

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/18

6:10 pm-8:25 pm

2 stops20h 15m

$348

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/18

9:15 pm-3:40 pm

1 stop12h 25m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Best time to book a flight from O'Hare Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from O'Hare Intl 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 Chicago O'Hare Intl Airport to Belfast

What is the cheapest time of day to fly from ORD to BFS?

Find hourly flight availability from O'Hare Intl to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Belfast at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated April 24, 2025.
See what other customers who have flown with Delta, KLM and American Airlines from Chicago to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,068 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,806 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Belfast. 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 Chicago O'Hare Intl Airport to Belfast round-trip?

    Currently priced at $716, British Airways will fly you from Chicago O'Hare Intl Airport to Belfast and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $717 and $923, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Belfast for 11% less than the average price by searching for these airlines.

  • Can I find deals for flights from O'Hare Intl to Belfast that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast.

  • Can I find deals for business class flights from O'Hare Intl to Belfast?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast 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 Chicago O'Hare Intl Airport to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Belfast (average of $657). Flying from Chicago O'Hare Intl Airport to Belfast in June is currently the most expensive (average of $1,189). 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 O'Hare Intl to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Belfast Intl flights
O'Hare Intl to Belfast City flights
Midway to Belfast City flights

Top airline flying from O'Hare Intl to Belfast

Discover the top airline that operate flights from O'Hare Intl to Belfast. 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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$724FlexibilityNo cancel feeOn-time70%

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