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$550+ Cheap flights from O'Hare Intl (ORD) to Belfast

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
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 December 1, 2025.

Round-trip from

$550
(Trip.com)

Popular in

June

Cheapest in

May

Average price

$697
From Chicago O'Hare Intl to Belfast
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Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 1, 2025.

This Delta deal was found by Cheapflights users on 11/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:25 pmORD - BHD
1 stop18h 25mDelta
Sun 12/146:30 amBHD - ORD
1 stop13h 50mDelta
Deal found 11/29$678
This oojo deal was found by Cheapflights users on 11/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:35 pmORD - BHD
1 stop14h 15mBritish Airways
Sun 12/1412:10 pmBHD - ORD
2 stops25h 11mBritish Airways
Deal found 11/29$680
This oojo deal was found by Cheapflights users on 11/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:45 pmORD - BHD
2 stops31h 45mBritish Airways
Mon 1/57:25 pmBHD - ORD
2 stops47h 13mBritish Airways
Deal found 11/29$1,333
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Thu 12/257:05 amORD - BHD
2 stops30h 30mMultiple Airlines
Wed 12/317:00 amBHD - ORD
2 stops18h 02mMultiple Airlines
Deal found 11/30$1,377
This oojo deal was found by Cheapflights users on 11/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:45 pmORD - BHD
1 stop11h 05mBritish Airways
Mon 1/57:25 pmBHD - ORD
1 stop27h 35mBritish Airways
Deal found 11/30$1,381
This Mytrip deal was found by Cheapflights users on 11/29. 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.
Mon 12/294:20 pmORD - BFS
2 stops21h 55mMultiple Airlines
Mon 1/57:20 pmBFS - ORD
2 stops29h 55mMultiple Airlines
Deal found 11/29$1,430
This Mytrip deal was found by Cheapflights users on 11/29. 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.
Mon 12/294:20 pmORD - BHD
2 stops22h 30mMultiple Airlines
Mon 1/510:15 amBHD - ORD
3 stops35h 45mMultiple Airlines
Deal found 11/29$1,460
This Ovago deal was found by Cheapflights users on 11/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:45 pmORD - BHD
2 stops40h 25mMultiple Airlines
Mon 1/57:25 pmBHD - ORD
2 stops29h 50mMultiple Airlines
Deal found 11/29$1,474

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 December 1, 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 - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/10

10:45 pm-2:50 pm

1 stop11h 05m

Belfast City

Wed 3/18

12:25 pm-2:50 pm

1 stop31h 25m

$572

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/10

6:10 pm-10:30 am

1 stop11h 20m

Belfast City

Fri 3/20

8:45 am-7:45 pm

1 stop16h 00m

$572

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 3/10

10:45 pm-2:50 pm

1 stop11h 05m

Belfast City

Tue 3/17

8:45 am-7:45 pm

1 stop16h 00m

$572

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/11

2:05 pm-9:10 am

2 stops14h 05m

Belfast City

Wed 3/18

11:25 am-7:45 pm

1 stop13h 20m

$589

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/11

2:05 pm-9:10 am

2 stops14h 05m

Belfast City

Thu 3/19

11:05 am-7:45 pm

1 stop13h 40m

$589

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 1/13

6:30 pm-4:00 pm

2 stops15h 30m

Belfast Intl

Tue 1/20

6:30 am-5:20 pm

2 stops16h 50m

$595

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 1/14

6:30 pm-4:10 pm

2 stops15h 40m

Belfast Intl

Wed 1/21

7:55 pm-5:20 pm

3 stops27h 25m

$599

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/18

2:05 pm-2:15 pm

2 stops19h 10m

Belfast City

Sun 3/22

3:10 pm-2:50 pm

1 stop28h 40m

$620

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 3/12

3:34 pm-10:20 am

2 stops13h 46m

Belfast City

Thu 3/19

9:05 am-9:25 pm

2 stops17h 20m

$635

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/11

5:50 pm-9:00 pm

2 stops22h 10m

Belfast City

Tue 3/17

5:20 pm-3:20 pm

1 stop27h 00m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 15 results
1
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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
No data available for this route at this time. Please check back soon.

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 December 1, 2025.
Read reviews from past customers who have flown British Airways from Chicago O'Hare Intl Airport to Belfast. 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.
British Airways
6.7
Okay
7,549 reviews

Overall

6.7

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,549 reviews
British Airways
6.7
Okay
7,549 reviews

Overall

6.7

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Belfast?

    British Airways can get you from Chicago O'Hare Intl Airport to Belfast in just under 11h 05m. Your travel time can differ by up to . Airlines will cover a distance of 3644 mi.

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

    Currently priced at $577, 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. You may be able to fly from Chicago O'Hare Intl Airport to Belfast for 20% less than the average price by searching for this airline.

  • 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.

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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$577Average$706FlexibilityNo cancel feeOn-time70%

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