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Cheap flights from Belfast to Chicago from £291

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CHI
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Chicago
Explore the most affordable flight options available from Belfast to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Sun 30/809:35
BFS
-
ORD
3 stops41h 45m
Multiple Airlines
Sun 6/922:25
ORD
-
BFS
2 stops16h 35m
Multiple Airlines
Deal found 16/7£609
Wed 19/807:35
BFS
-
ORD
3 stops37h 09m
Multiple Airlines
Thu 27/819:25
ORD
-
BFS
2 stops21h 00m
Multiple Airlines
Deal found 14/7£637
Tue 11/822:45
BFS
-
ORD
2 stops22h 10m
Multiple Airlines
Sun 16/808:40
ORD
-
BFS
3 stops32h 10m
Multiple Airlines
Deal found 14/7£674
Mon 7/906:30
BHD
-
ORD
1 stop16h 45m
American Airlines
Mon 14/919:05
ORD
-
BHD
1 stop11h 50m
American Airlines
Deal found 15/7£679
Mon 7/917:30
BHD
-
ORD
1 stop26h 45m
KLM
Mon 14/912:29
ORD
-
BHD
2 stops14h 51m
KLM
Deal found 15/7£696
Mon 7/909:50
BHD
-
ORD
2 stops18h 54m
Delta
Mon 14/911:17
ORD
-
BHD
2 stops16h 03m
Delta
Deal found 15/7£699
Sun 20/921:25
BFS
-
ORD
3 stops28h 47m
Multiple Airlines
Fri 25/919:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Deal found 17/7£714
Mon 7/909:50
BHD
-
ORD
3 stops41h 30m
Multiple Airlines
Mon 14/909:50
ORD
-
BHD
3 stops24h 40m
Multiple Airlines
Deal found 15/7£742
Mon 3/817:30
BHD
-
ORD
1 stop26h 45m
Delta
Fri 7/816:20
ORD
-
BHD
1 stop11h 00m
Delta
Deal found 17/7£1,706
Mon 3/809:50
BHD
-
ORD
2 stops17h 57m
Virgin Atlantic
Fri 7/813:59
ORD
-
BHD
2 stops20h 56m
Virgin Atlantic
Deal found 17/7£1,711

Find flight deals from Belfast to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Chicago (CHI). 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 2026.

Round-trip from

£609

One-way from

£291
30/8-6/9
  • 30/8-6/9
  • 5 total stops
  • 58h 20m total
  • Belfast to Chicago
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 49h 20m total
  • Belfast to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Chicago 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 2026.
Use the filters below to find and compare flights from Belfast to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 30/8

09:35-21:20

3 stops41h 45m

Chicago O'Hare Intl

Sun 6/9

22:25-21:00

2 stops16h 35m

£609

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 19/8

07:35-16:57

2 stops15h 22m

Chicago O'Hare Intl

Thu 27/8

19:25-22:25

2 stops21h 00m

£647
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

06:30-17:15

1 stop16h 45m

Chicago O'Hare Intl

Mon 14/9

19:05-12:55

1 stop11h 50m

£679

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

09:50-21:20

3 stops41h 30m

Chicago O'Hare Intl

Mon 14/9

19:25-20:30

2 stops19h 05m

£696

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 7/9

09:50-22:44

2 stops18h 54m

Chicago O'Hare Intl

Mon 14/9

11:17-09:20

2 stops16h 03m

£699

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 20/9

21:25-20:12

3 stops28h 47m

Chicago O'Hare Intl

Fri 25/9

19:25-23:20

3 stops21h 55m

£714

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/9

14:40-14:25

2 stops29h 45m

Chicago O'Hare Intl

Mon 14/9

17:10-19:05

1 stop19h 55m

£729

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 11/8

10:30-13:10

2 stops32h 40m

Chicago O'Hare Intl

Sun 16/8

17:10-19:55

1 stop20h 45m

£1,170

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 3/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Fri 7/8

17:57-16:55

2 stops16h 58m

£1,706

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 3/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Fri 7/8

16:20-09:20

1 stop11h 00m

£1,706

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Belfast 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 Belfast to Chicago

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Chicago. 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 Belfast to Chicago?

    There are many flights that can get you from Belfast to Chicago in 16h 45m. Fly via American Airlines or Delta to get the fastest option. Belfast and Chicago are separated by a distance of 3644 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Chicago 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast to Chicago

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from Belfast today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast to Chicago.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Chicago, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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