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$274+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
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 octubre 14, 2025.

Round-trip from

$604
(Mytrip)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$678
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. 6% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 14, 2025.

This Mytrip deal was found by Cheapflights users on 10/13. 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.
jue. 11/276:30 pmORD - BFS
2 stops19h 55mMultiple Airlines
jue. 12/47:05 amBFS - ORD
2 stops16h 15mMultiple Airlines
Deal found 10/13$604
This Mytrip deal was found by Cheapflights users on 10/14. 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.
vie. 11/286:30 pmORD - BFS
2 stops14h 40mMultiple Airlines
vie. 12/58:05 amBFS - ORD
2 stops15h 15mMultiple Airlines
Deal found 10/14$610
This Mytrip deal was found by Cheapflights users on 10/13. 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.
lun. 11/102:31 pmORD - BFS
3 stops23h 44mMultiple Airlines
mar. 11/259:25 amBFS - ORD
3 stops35h 35mMultiple Airlines
Deal found 10/13$625
This American Airlines deal was found by Cheapflights users on 10/13. 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.
mié. 11/123:08 pmORD - BHD
2 stops13h 07mAmerican Airlines
mié. 11/199:15 amBHD - ORD
1 stop12h 10mAmerican Airlines
Deal found 10/13$638
This British Airways deal was found by Cheapflights users on 10/14. 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.
mar. 12/25:10 pmORD - BHD
1 stop11h 20mBritish Airways
mié. 5/66:50 amBHD - ORD
1 stop15h 05mBritish Airways
Deal found 10/14$651
This British Airways deal was found by Cheapflights users on 10/14. 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.
mar. 12/25:10 pmORD - BHD
1 stop11h 20mBritish Airways
lun. 5/47:30 pmBHD - ORD
1 stop24h 20mBritish Airways
Deal found 10/14$653
This Air France deal was found by Cheapflights users on 10/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/124:25 pmORD - BHD
1 stop18h 25mMultiple Airlines
mié. 11/196:30 amBHD - ORD
1 stop13h 50mMultiple Airlines
Deal found 10/13$655
This Mytrip deal was found by Cheapflights users on 10/12. 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.
mié. 12/36:30 pmORD - BFS
2 stops17h 25mMultiple Airlines
dom. 12/79:25 amBFS - ORD
2 stops13h 55mMultiple Airlines
Deal found 10/12$659
This Mytrip deal was found by Cheapflights users on 10/13. 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.
mié. 11/126:30 pmORD - BFS
2 stops20h 10mMultiple Airlines
mié. 11/197:20 amBFS - ORD
2 stops16h 00mMultiple Airlines
Deal found 10/13$661
This Delta deal was found by Cheapflights users on 10/14. 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.
lun. 12/14:25 pmORD - BHD
1 stop18h 25mDelta
jue. 5/76:30 amBHD - ORD
1 stop13h 50mDelta
Deal found 10/14$672
This Mytrip deal was found by Cheapflights users on 10/12. 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.
mié. 12/36:30 pmORD - BHD
2 stops18h 30mMultiple Airlines
dom. 12/77:25 amBHD - ORD
2 stops15h 55mMultiple Airlines
Deal found 10/12$674
This Delta deal was found by Cheapflights users on 10/14. 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.
dom. 11/304:25 pmORD - BHD
1 stop18h 25mDelta
vie. 5/86:30 amBHD - ORD
2 stops21h 06mDelta
Deal found 10/14$677

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 octubre 14, 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

jue. 11/27

6:30 pm-8:25 pm

2 stops19h 55m

Belfast Intl

jue. 12/4

7:05 am-5:20 pm

2 stops16h 15m

$604

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

vie. 11/28

6:30 pm-3:10 pm

2 stops14h 40m

Belfast Intl

vie. 12/5

8:05 am-5:20 pm

2 stops15h 15m

$610

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

lun. 11/10

2:31 pm-8:15 pm

3 stops23h 44m

Belfast Intl

mar. 11/25

9:25 am-3:00 pm

3 stops35h 35m

$625

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mié. 2/4

5:10 pm-10:15 am

1 stop11h 05m

Belfast City

mié. 2/11

11:25 am-6:45 pm

1 stop13h 20m

$639

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mié. 11/12

3:08 pm-10:15 am

2 stops13h 07m

Belfast City

mié. 11/19

6:35 am-5:52 pm

2 stops17h 17m

$648

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mar. 12/2

5:10 pm-10:30 am

1 stop11h 20m

Belfast City

jue. 5/7

9:35 am-6:15 pm

1 stop14h 40m

$651

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mar. 12/2

5:10 pm-10:30 am

1 stop11h 20m

Belfast City

mié. 5/6

6:50 am-3:55 pm

1 stop15h 05m

$651

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

mar. 12/2

5:10 pm-10:30 am

1 stop11h 20m

Belfast City

lun. 5/4

7:30 pm-1:50 pm

1 stop24h 20m

$653

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

mié. 12/3

6:30 pm-5:55 pm

2 stops17h 25m

Belfast Intl

dom. 12/7

9:25 am-5:20 pm

2 stops13h 55m

$659

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

dom. 3/1

5:10 pm-1:55 pm

1 stop14h 45m

Belfast City

mié. 9/30

11:30 am-6:15 pm

1 stop12h 45m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 28 results
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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 octubre 14, 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
7,456 reviews

Food

6.3

Overall

6.7

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

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
7,456 reviews
British Airways
6.7
Okay
7,456 reviews

Food

6.3

Overall

6.7

Boarding

6.9

Comfort

6.7

Crew

7.6

Entertainment

6.4

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 and American Airlines can get you from Chicago O'Hare Intl Airport to Belfast in just under 11h 05m. Your travel time can differ by up to 2h 02m. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.

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

    Currently priced at $622, 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 17% 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 octubre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$720FlexibilityNo cancel feeOn-time70%

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