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Cheap flights from Belfast Intl Airport to Chicago from £296

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — CHI
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Chicago
Explore the most affordable flight options available from Belfast Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Wed 22/722:45
BFS
-
ORD
3 stops27h 20m
Multiple Airlines
Wed 29/719:25
ORD
-
BFS
3 stops20h 55m
Multiple Airlines
Deal found 7/6£680
Mon 20/708:00
BFS
-
ORD
2 stops14h 57m
Multiple Airlines
Mon 27/722:25
ORD
-
BFS
2 stops18h 10m
Multiple Airlines
Deal found 5/6£706
Mon 13/720:35
BFS
-
ORD
3 stops29h 17m
Multiple Airlines
Sun 19/719:25
ORD
-
BFS
2 stops20h 05m
Multiple Airlines
Deal found 6/6£720
Mon 6/706:40
BFS
-
ORD
2 stops19h 12m
Multiple Airlines
Mon 13/719:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Deal found 6/6£737
Mon 6/706:40
BFS
-
ORD
2 stops19h 12m
Multiple Airlines
Mon 20/719:25
ORD
-
BFS
3 stops21h 40m
Multiple Airlines
Deal found 5/6£739

Find flight deals from Belfast Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) 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 9 June 2026.

Round-trip from

£680

One-way from

£296
22/7-29/7
  • 22/7-29/7
  • 6 total stops
  • 48h 15m total
  • Belfast to Chicago
Search Deals
8/10
  • 8/10
  • 3 total stops
  • 38h 35m total
  • Belfast to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 9 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 22/7

22:45-20:05

3 stops27h 20m

Chicago O'Hare Intl

Wed 29/7

19:25-22:20

3 stops20h 55m

£680
Fastest return journey

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 20/7

08:00-16:57

2 stops14h 57m

Chicago O'Hare Intl

Mon 27/7

22:25-22:35

2 stops18h 10m

£706

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

20:35-19:52

3 stops29h 17m

Chicago O'Hare Intl

Sun 19/7

19:25-21:30

2 stops20h 05m

£720

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:40-19:52

2 stops19h 12m

Chicago O'Hare Intl

Mon 13/7

19:25-23:20

3 stops21h 55m

£737

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:40-19:52

2 stops19h 12m

Chicago O'Hare Intl

Mon 20/7

19:25-23:05

3 stops21h 40m

£739
Cheapest one-way

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 8/10

20:40-13:16

2 stops46h 36m

£378
Fastest single journey

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 7/10

08:30-21:25

2 stops18h 55m

£395

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 30/6

07:35-14:45

3 stops37h 10m

£457

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

17:05-21:15

3 stops34h 10m

£485

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

12:45-16:00

3 stops33h 15m

£514

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Belfast Intl 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 Intl Airport 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 9 June 2026.
See what other customers who have flown with British Airways from Belfast Intl Airport to Chicago have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,031 reviews
Check prices

Comfort

6.8

Boarding

6.9

Crew

7.7

Entertainment

6.4

Overall

6.7

Food

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
8,031 reviews
British Airways
6.7
Okay
8,031 reviews
Check prices

Comfort

6.8

Boarding

6.9

Crew

7.7

Entertainment

6.4

Overall

6.7

Food

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 Intl to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast Intl 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

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

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

Can Cheapflights find flights from Belfast Intl 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 Intl 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 Intl to Chicago become cheaper?

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