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Cheap flights from Belfast to Chicago from £326

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CHI
19 Mar — 26 Mar1
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 17 February 2026.

Thu 16/408:10
BFS
-
ORD
2 stops16h 05m
Multiple Airlines
Mon 20/419:25
ORD
-
BFS
2 stops19h 30m
Multiple Airlines
Deal found 14/2£525
Mon 16/306:30
BHD
-
ORD
1 stop13h 50m
Virgin Atlantic
Mon 23/317:25
ORD
-
BHD
1 stop22h 35m
Virgin Atlantic
Deal found 14/2£600
Mon 16/306:30
BHD
-
ORD
2 stops20h 19m
Delta
Mon 23/314:10
ORD
-
BHD
2 stops21h 35m
Delta
Deal found 14/2£604
Mon 13/406:30
BHD
-
ORD
1 stop17h 05m
American Airlines
Thu 23/417:00
ORD
-
BHD
1 stop11h 10m
American Airlines
Deal found 14/2£606
Mon 13/406:30
BHD
-
ORD
2 stops17h 43m
American Airlines
Mon 20/421:15
ORD
-
BHD
1 stop12h 15m
American Airlines
Deal found 14/2£611
Wed 15/409:50
BHD
-
ORD
2 stops18h 06m
KLM
Tue 21/411:08
ORD
-
BHD
2 stops16h 12m
KLM
Deal found 14/2£615
Thu 16/409:35
BHD
-
ORD
1 stop12h 20m
British Airways
Mon 20/421:15
ORD
-
BHD
1 stop12h 15m
British Airways
Deal found 14/2£617
Thu 16/409:35
BHD
-
ORD
2 stops15h 26m
Multiple Airlines
Mon 20/417:45
ORD
-
BHD
2 stops15h 45m
Multiple Airlines
Deal found 14/2£621
Sat 18/409:35
BHD
-
ORD
1 stop12h 20m
American Airlines
Thu 23/422:30
ORD
-
BHD
1 stop11h 00m
American Airlines
Deal found 14/2£636
Wed 15/410:05
BHD
-
ORD
1 stop11h 50m
British Airways
Sun 19/420:35
ORD
-
BHD
1 stop10h 50m
British Airways
Deal found 14/2£639
Fri 17/417:30
BHD
-
ORD
1 stop26h 45m
KLM
Mon 20/411:08
ORD
-
BHD
2 stops16h 12m
KLM
Deal found 14/2£641
Wed 15/409:50
BHD
-
ORD
2 stops16h 50m
Multiple Airlines
Sun 19/416:20
ORD
-
BHD
1 stop18h 35m
Multiple Airlines
Deal found 14/2£645

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 17 February 2026.

Round-trip from

£525

One-way from

£326
16/4-20/4
  • 16/4-20/4
  • 4 total stops
  • 35h 35m total
  • Belfast to Chicago
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 40h 45m 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 17 February 2026.
Use the filters below to find and compare flights from Belfast to Chicago that are best for you.

Fly from

Belfast

Fly to

Chicago

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 16/4

08:10-18:15

2 stops16h 05m

Chicago O'Hare Intl

Mon 20/4

19:25-20:55

2 stops19h 30m

£525

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 16/3

06:30-15:20

1 stop13h 50m

Chicago O'Hare Intl

Mon 23/3

17:50-21:00

2 stops22h 10m

£600

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 16/3

06:30-15:20

1 stop13h 50m

Chicago O'Hare Intl

Mon 23/3

17:25-21:00

1 stop22h 35m

£600

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

09:40-15:55

1 stop12h 15m

Chicago O'Hare Intl

Tue 21/4

17:37-15:20

2 stops15h 43m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 15/4

10:05-15:55

1 stop11h 50m

Chicago O'Hare Intl

Tue 21/4

17:55-10:45

1 stop10h 50m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 15/4

06:30-14:55

1 stop14h 25m

Chicago O'Hare Intl

Thu 23/4

13:25-10:10

2 stops14h 45m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 14/4

06:30-12:20

1 stop11h 50m

Chicago O'Hare Intl

Wed 22/4

20:35-13:35

1 stop11h 00m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 15/4

10:05-17:35

1 stop13h 30m

Chicago O'Hare Intl

Wed 22/4

17:55-12:00

1 stop12h 05m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 15/4

06:30-14:55

1 stop14h 25m

Chicago O'Hare Intl

Mon 20/4

17:55-12:55

1 stop13h 00m

£606

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

06:30-17:35

1 stop17h 05m

Chicago O'Hare Intl

Thu 23/4

17:00-10:10

1 stop11h 10m

£606

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 17 results
1
2

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 17 February 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
7,751 reviews
Check prices

Comfort

6.8

Food

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Entertainment

6.4

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
7,751 reviews
British Airways
6.7
Okay
7,751 reviews
Check prices

Comfort

6.8

Food

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Entertainment

6.4

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 12h 15m. Fly via Delta, Virgin Atlantic, or American Airlines to get the fastest option. Belfast and Chicago are separated by a distance of 3644 mi. This flight may include one or multiple stops.

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

    British Airways, at £494, 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 17 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£494Average£614FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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