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Cheap flights from Chicago to Belfast from £212

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BHD
9 Jul — 16 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 4 July 2025.

Round-trip from

£456

One-way from

£212
British Airways
  • British Airways
  • 7/10-14/10
  • 2 total stops
  • 27h 00m total
  • Chicago to Belfast
Search Deals
11/9
  • 11/9
  • 3 total stops
  • 51h 45m 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 4 July 2025.

Tue 7/1020:35ORD - BHD
1 stop12h 45mBritish Airways
Tue 14/1006:35BHD - ORD
1 stop14h 15mBritish Airways
Deal found 2/7£456
Tue 9/917:40ORD - BHD
1 stop10h 55mAmerican Airlines
Tue 16/916:25BHD - ORD
1 stop25h 25mAmerican Airlines
Deal found 3/7£464
Thu 6/1119:20ORD - BHD
2 stops19h 00mMultiple Airlines
Tue 11/1111:30BHD - ORD
2 stops35h 15mMultiple Airlines
Deal found 2/7£496
Tue 9/919:17MDW - BHD
2 stops15h 38mKLM
Tue 16/906:30BHD - MDW
2 stops17h 05mKLM
Deal found 3/7£531
Sun 17/819:25ORD - BFS
2 stops20h 05mMultiple Airlines
Sun 24/806:50BFS - ORD
2 stops17h 25mMultiple Airlines
Deal found 3/7£555
Sun 17/819:00ORD - BHD
2 stops15h 55mKLM
Sun 24/806:30BHD - ORD
2 stops16h 34mKLM
Deal found 3/7£562
Wed 3/1216:25ORD - BHD
1 stop22h 35mVirgin Atlantic
Sun 7/1217:20BHD - ORD
1 stop27h 10mVirgin Atlantic
Deal found 2/7£563
Wed 13/813:43MDW - BHD
2 stops21h 12mDelta
Sun 24/806:30BHD - MDW
2 stops21h 14mDelta
Deal found 3/7£568
Sun 20/719:01ORD - BHD
2 stops20h 14mDelta
Sun 27/706:30BHD - ORD
2 stops21h 33mDelta
Deal found 2/7£648
Sat 19/709:40MDW - BHD
3 stops22h 05mMultiple Airlines
Wed 30/712:10BHD - MDW
3 stops34h 14mMultiple Airlines
Deal found 2/7£1,218

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 4 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

Tue 7/10

20:35-15:20

1 stop12h 45m

Belfast City

Tue 14/10

06:35-14:50

1 stop14h 15m

£456

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 9/9

17:40-10:35

1 stop10h 55m

Belfast City

Tue 16/9

16:25-11:50

1 stop25h 25m

£464

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 6/11

19:20-20:20

2 stops19h 00m

Belfast City

Tue 11/11

11:30-16:45

2 stops35h 15m

£496

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 9/9

19:17-16:55

2 stops15h 38m

Belfast City

Tue 16/9

06:30-17:35

2 stops17h 05m

£531

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 17/8

19:25-21:30

2 stops20h 05m

Belfast Intl

Sun 24/8

06:50-18:15

2 stops17h 25m

£555

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 17/8

19:00-16:55

2 stops15h 55m

Belfast City

Sun 24/8

06:30-17:04

2 stops16h 34m

£562

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/12

16:25-21:00

1 stop22h 35m

Belfast City

Sun 7/12

17:20-14:30

1 stop27h 10m

£563

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 13/8

13:43-16:55

2 stops21h 12m

Belfast City

Sun 24/8

06:30-21:44

2 stops21h 14m

£568

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 20/7

19:01-21:15

2 stops20h 14m

Belfast City

Sun 27/7

06:30-22:03

2 stops21h 33m

£648

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 19/7

09:40-13:45

3 stops22h 05m

Belfast City

Wed 30/7

12:10-16:24

3 stops34h 14m

£1,218

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 19 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 4 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
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
1,367 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
654 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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!
British Airways
6.6
Okay
7,093 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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 £456. Other airlines that can offer you cheap pricing are American Airlines, from £464, and KLM, from £531.

  • What are the cheapest airlines to fly from Chicago to Belfast one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £275. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Chicago to Belfast for a low price.

  • 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

Fly with Cheapflights

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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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