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Cheap flights from Chicago to Belfast from £293

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Chicago to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 18 July 2025.

Round-trip from

£468

One-way from

£293
British Airways
  • British Airways
  • 17/8-2/9
  • 2 total stops
  • 28h 30m total
  • Chicago to Belfast
Search Deals
British Airways
  • British Airways
  • 20/8
  • 1 total stop
  • 28h 10m total
  • Chicago to Belfast
Search Deals

Find flight deals from Chicago to Belfast

Cheapest flights from Chicago to Belfast
Explore the most affordable flight options available from Chicago to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Sun 17/820:35ORD - BHD
1 stop12h 05mBritish Airways
Tue 2/906:35BHD - ORD
1 stop16h 25mBritish Airways
Deal found 18/7£468
Tue 26/822:35ORD - BHD
1 stop14h 50mAmerican Airlines
Tue 9/916:25BHD - ORD
1 stop25h 25mAmerican Airlines
Deal found 17/7£468
Sun 17/822:15ORD - BFS
2 stops17h 15mMultiple Airlines
Tue 2/907:45BFS - ORD
2 stops19h 30mMultiple Airlines
Deal found 18/7£480
Sun 14/916:15ORD - BHD
1 stop23h 00mKLM
Tue 23/906:30BHD - ORD
2 stops17h 15mKLM
Deal found 17/7£530
Wed 3/1216:25ORD - BHD
1 stop18h 25mDelta
Sun 7/1206:30BHD - ORD
1 stop13h 50mDelta
Deal found 17/7£571
Wed 3/1216:25ORD - BHD
1 stop22h 35mVirgin Atlantic
Sun 7/1217:20BHD - ORD
1 stop27h 00mVirgin Atlantic
Deal found 15/7£571
Mon 15/913:08MDW - BHD
2 stops21h 47mDelta
Tue 23/906:30BHD - MDW
2 stops18h 05mDelta
Deal found 17/7£579
Sun 31/815:45ORD - BHD
2 stops15h 10mAer Lingus
Sun 7/910:20BHD - ORD
2 stops14h 40mAer Lingus
Deal found 17/7£616
Sun 17/818:00ORD - BHD
2 stops20h 25mMultiple Airlines
Tue 2/907:05BHD - ORD
3 stops33h 26mMultiple Airlines
Deal found 18/7£636
Sun 14/910:35MDW - BHD
2 stops28h 40mMultiple Airlines
Tue 23/906:30BHD - MDW
2 stops21h 06mMultiple Airlines
Deal found 17/7£669
Mon 28/719:21MDW - BHD
2 stops15h 34mKLM
Sat 2/806:30BHD - MDW
2 stops18h 10mKLM
Deal found 16/7£1,507

Cheapflights Fare Finder

Customise your flight search to find flights from Chicago 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 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from Chicago to Belfast that are best for you.

Fly from

Chicago

Fly to

Belfast

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 17/8

20:35-14:40

1 stop12h 05m

Belfast City

Tue 2/9

06:35-17:00

1 stop16h 25m

£468

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 26/8

22:35-19:25

1 stop14h 50m

Belfast City

Tue 9/9

16:25-11:50

1 stop25h 25m

£468

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 17/8

22:15-21:30

2 stops17h 15m

Belfast Intl

Tue 2/9

07:45-21:15

2 stops19h 30m

£480

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 14/9

16:15-21:15

1 stop23h 00m

Belfast City

Tue 23/9

06:30-17:45

2 stops17h 15m

£530

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/12

16:25-16:50

1 stop18h 25m

Belfast City

Sun 7/12

06:30-14:20

1 stop13h 50m

£571

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/12

16:25-21:00

1 stop22h 35m

Belfast City

Sun 7/12

17:20-14:20

1 stop27h 00m

£571

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 15/9

13:08-16:55

2 stops21h 47m

Belfast City

Tue 23/9

06:30-18:35

2 stops18h 05m

£579

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 31/8

15:45-12:55

2 stops15h 10m

Belfast City

Sun 7/9

10:20-19:00

2 stops14h 40m

£616

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 17/8

18:00-20:25

2 stops20h 25m

Belfast City

Tue 2/9

07:05-10:31

3 stops33h 26m

£636

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 14/9

10:35-21:15

2 stops28h 40m

Belfast City

Tue 23/9

06:30-21:36

2 stops21h 06m

£669

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 13 results
1
2

Best time to book a flight from Chicago to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Chicago with our price prediction graph.
Estimated return 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 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 18 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andVirgin Atlantic from Chicago to Belfast by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,958 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,374 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
655 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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!
Aer Lingus
7.1
Good
1,170 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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 Chicago 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 to Belfast round-trip?

    Cheapflights users have booked flights from Chicago to Belfast round-trip from £468. Other airlines that can offer you cheap pricing are American Airlines, from £468, and KLM, from £530.

  • What are the most popular routes from Chicago to Belfast?

    The most popular route from Chicago to Belfast is Chicago O'Hare Intl - Belfast Intl. You may also consider Chicago O'Hare Intl - Belfast City or Chicago Midway - Belfast Intl.

  • Can I find deals for flights from Chicago to Belfast that include hotel bookings?

    Yes. In addition to deals on Chicago to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Belfast?

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

  • Can I find deals for business class flights from Chicago to Belfast?

    Yes. Cheapflights offers flight deals from Chicago 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 to Belfast?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Belfast (average of £67). Flying from Chicago to Belfast in July is currently the most expensive (average of £90). 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 Chicago to Belfast

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

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How does Cheapflights help users find flights from Chicago to Belfast?

Cheapflights helps you search for flights from Chicago to Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Belfast?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Belfast for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Chicago to Belfast with no change fees?

Certainly. Search results for flights to Belfast from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to Belfast become cheaper?

Not ready to book yet? You can track prices for flights from Chicago to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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