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$289+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$623
(Justfly.com)

One-way from

$289
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,465
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. 23% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Justfly.com deal was found by Cheapflights users on 7/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:35 pmORD - BHD
1 stop12h 45mBritish Airways
Tue 10/146:35 amBHD - ORD
1 stop14h 15mBritish Airways
Deal found 7/2$623
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Tue 9/95:40 pmORD - BHD
1 stop10h 55mAmerican Airlines
Tue 9/164:25 pmBHD - ORD
1 stop25h 25mAmerican Airlines
Deal found 7/3$633
This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:20 pmORD - BHD
2 stops19h 00mMultiple Airlines
Tue 11/1111:30 amBHD - ORD
2 stops35h 15mMultiple Airlines
Deal found 7/2$677
This Mytrip deal was found by Cheapflights users on 7/1. 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 8/143:45 pmORD - BFS
2 stops18h 55mMultiple Airlines
Thu 8/217:10 amBFS - ORD
2 stops17h 50mMultiple Airlines
Deal found 7/1$728
This KLM deal was found by Cheapflights users on 7/3. 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 8/177:00 pmORD - BHD
2 stops15h 55mKLM
Sun 8/246:30 amBHD - ORD
2 stops16h 34mKLM
Deal found 7/3$767
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 pmORD - BHD
1 stop22h 55mDelta
Tue 10/76:30 amBHD - ORD
1 stop13h 40mDelta
Deal found 6/30$769
This Virgin Atlantic deal was found by Cheapflights users on 7/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/32:05 pmORD - BHD
2 stops25h 10mVirgin Atlantic
Tue 10/76:30 amBHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 7/2$774

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 July 3, 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 10/7

8:35 pm-3:20 pm

1 stop12h 45m

Belfast City

Tue 10/14

6:35 am-2:50 pm

1 stop14h 15m

$623

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/9

5:40 pm-10:35 am

1 stop10h 55m

Belfast City

Tue 9/16

4:25 pm-11:50 am

1 stop25h 25m

$633

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 11/6

7:20 pm-8:20 pm

2 stops19h 00m

Belfast City

Tue 11/11

11:30 am-4:45 pm

2 stops35h 15m

$677

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 8/14

3:45 pm-4:40 pm

2 stops18h 55m

Belfast Intl

Thu 8/21

7:10 am-7:00 pm

2 stops17h 50m

$728

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/17

7:00 pm-4:55 pm

2 stops15h 55m

Belfast City

Sun 8/24

6:30 am-5:04 pm

2 stops16h 34m

$767

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:20 pm-9:15 pm

1 stop22h 55m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$769

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 8/15

4:20 pm-9:15 pm

1 stop22h 55m

Belfast City

Fri 8/22

6:30 am-8:23 pm

2 stops19h 53m

$770

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 9/11

10:15 pm-8:00 am

3 stops51h 45m

$289

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 9/11

8:45 pm-8:25 pm

2 stops41h 40m

$322

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 8/20

10:35 pm-6:40 pm

1 stop14h 05m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 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

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 July 3, 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.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Belfast?

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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and Virgin Atlantic 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.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,093 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $623, 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 KLM - these airlines can fly you to your destination from $633 and $767, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Belfast for 25% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $376 on British Airways. Other airlines that offer cheap prices include American Airlines from $431 and KLM from $480 one-way.

  • 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$622Average$720FlexibilityNo cancel feeOn-time70%

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