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Cheap flights from Belfast to Chicago from £464

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CHI
20 Jul — 27 Jul1
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 20 June 2026.

Thu 9/708:20
BFS
-
ORD
3 stops17h 45m
Multiple Airlines
Mon 13/709:50
ORD
-
BFS
2 stops29h 45m
Multiple Airlines
Deal found 18/6£640
Mon 9/1111:30
BHD
-
ORD
1 stop13h 15m
British Airways
Fri 13/1114:03
ORD
-
BHD
2 stops14h 27m
British Airways
Deal found 19/6£656
Thu 2/706:40
BFS
-
ORD
2 stops16h 17m
Multiple Airlines
Tue 21/708:45
ORD
-
BFS
3 stops31h 30m
Multiple Airlines
Deal found 17/6£667
Wed 2/910:05
BHD
-
ORD
1 stop13h 10m
British Airways
Sun 6/922:30
ORD
-
BHD
1 stop14h 15m
British Airways
Deal found 19/6£700
Mon 13/720:35
BFS
-
ORD
3 stops29h 17m
Multiple Airlines
Mon 20/719:25
ORD
-
BFS
2 stops20h 50m
Multiple Airlines
Deal found 15/6£719
Fri 31/707:20
BFS
-
ORD
3 stops18h 45m
Multiple Airlines
Fri 7/818:00
ORD
-
BFS
2 stops21h 15m
Multiple Airlines
Deal found 16/6£928

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 20 June 2026.

Round-trip from

£640

One-way from

£452
9/7-13/7
  • 9/7-13/7
  • 5 total stops
  • 47h 30m total
  • Belfast to Chicago
Search Deals
24/6
  • 24/6
  • 3 total stops
  • 50h 05m 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 20 June 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

Thu 9/7

08:20-20:05

3 stops17h 45m

Chicago O'Hare Intl

Mon 13/7

09:50-21:35

2 stops29h 45m

£640

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

17:10-14:15

1 stop15h 05m

£656

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

06:40-16:57

2 stops16h 17m

Chicago O'Hare Intl

Tue 21/7

08:45-22:15

3 stops31h 30m

£667
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 2/9

10:05-17:15

1 stop13h 10m

Chicago O'Hare Intl

Sun 6/9

22:30-18:45

1 stop14h 15m

£700

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

20:35-19:52

3 stops29h 17m

Chicago O'Hare Intl

Mon 20/7

19:25-22:15

2 stops20h 50m

£719

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 31/7

07:20-22:05

2 stops20h 45m

Chicago O'Hare Intl

Fri 7/8

16:20-21:15

2 stops22h 55m

£961
Cheapest one-way

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 9/8

07:10-14:00

3 stops36h 50m

£485

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 4/7

21:40-19:50

3 stops52h 10m

£488

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 2/8

06:45-19:52

3 stops43h 07m

£491

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 29/6

21:50-14:45

3 stops46h 55m

£498

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Showing 1-10 of 22 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.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 20 June 2026.
Read through reviews of airlines operating flights from Belfast to Chicago, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,056 reviews
Check prices

Comfort

6.8

Boarding

6.9

Overall

6.7

Food

6.4

Entertainment

6.4

Crew

7.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
8,056 reviews
British Airways
6.7
Okay
8,056 reviews
Check prices

Comfort

6.8

Boarding

6.9

Overall

6.7

Food

6.4

Entertainment

6.4

Crew

7.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 13h 15m. Fly via British Airways to get the fastest option. Belfast and Chicago are separated by a distance of 3644 mi.

  • What is the cheapest airline to fly from Belfast to Chicago round-trip?

    British Airways, at £508, was found to be the cheapest airline from Belfast to Chicago..

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Top airline flying from Belfast to Chicago

Discover the top airline that operate flights from Belfast to Chicago. 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 858,174 searches. Data last updated 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£508Average£663FlexibilityNo cancel feeOn-time70%
Search British Airways 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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