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Cheap flights from Belfast to Chicago from £319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Chicago departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:00 - 11:50
BFS
-
ORD
34h 50m
2 stops
Multiple Airlines Logo
09:55 - 17:05
ORD
-
BFS
25h 10m
2 stops
£631Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
British Airways Logo
20:35 - 12:30
BHD
-
ORD
21h 55m
1 stop
British Airways Logo
17:55 - 12:55
ORD
-
BHD
13h 00m
1 stop
£714British Airways
Thu, 1 Oct - Mon, 5 Oct
British Airways Logo
09:35 - 17:35
BHD
-
ORD
14h 00m
1 stop
British Airways Logo
13:43 - 12:55
ORD
-
BHD
17h 12m
2 stops
£716British Airways
Thu, 1 Oct - Mon, 5 Oct
British Airways Logo
06:30 - 15:00
BHD
-
ORD
14h 30m
1 stop
British Airways Logo
13:43 - 12:55
ORD
-
BHD
17h 12m
2 stops
£716British Airways
Thu, 1 Oct - Mon, 5 Oct
Multiple Airlines Logo
06:10 - 11:50
BFS
-
ORD
35h 40m
3 stops
Multiple Airlines Logo
09:55 - 17:05
ORD
-
BFS
25h 10m
2 stops
£719Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
British Airways Logo
09:35 - 19:26
BHD
-
ORD
15h 51m
2 stops
British Airways Logo
18:26 - 15:30
ORD
-
BHD
15h 04m
2 stops
£720British Airways
Thu, 1 Oct - Mon, 5 Oct
Multiple Airlines Logo
06:10 - 21:25
BFS
-
ORD
21h 15m
2 stops
Multiple Airlines Logo
22:25 - 20:25
ORD
-
BFS
16h 00m
2 stops
£735Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
10:30 - 16:59
BFS
-
ORD
36h 29m
3 stops
Multiple Airlines Logo
09:55 - 16:15
ORD
-
BFS
24h 20m
2 stops
£803Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
06:55 - 13:10
BFS
-
ORD
36h 15m
3 stops
Multiple Airlines Logo
19:25 - 17:10
ORD
-
BFS
15h 45m
2 stops
£815Multiple Airlines
Sat, 13 Jun - Sat, 20 Jun
Delta Logo
09:50 - 22:35
BHD
-
ORD
18h 45m
2 stops
Delta Logo
08:42 - 09:20
ORD
-
BHD
18h 38m
2 stops
£925Delta
Sun, 17 May - Sun, 24 May

British Airways flights from Belfast to Chicago

Our best British Airways deals on Belfast to Chicago flight tickets
British Airways
1 Oct
BHD20:35Belfast City
21h 55m
1 stop
ORD12:30Chicago O'Hare Intl
5 Oct
ORD17:55Chicago O'Hare Intl
13h 00m
1 stop
BHD12:55Belfast City
£714
British Airways
1 Oct
BHD09:35Belfast City
14h 00m
1 stop
ORD17:35Chicago O'Hare Intl
5 Oct
ORD13:43Chicago O'Hare Intl
17h 12m
2 stops
BHD12:55Belfast City
£716
British Airways
1 Oct
BHD06:30Belfast City
14h 30m
1 stop
ORD15:00Chicago O'Hare Intl
5 Oct
ORD13:43Chicago O'Hare Intl
17h 12m
2 stops
BHD12:55Belfast City
£716

momondo 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, momondo users made 279,928 searches. Data last updated 29 April 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

Wed 10/6

07:00-11:50

2 stops34h 50m

Chicago O'Hare Intl

Wed 17/6

09:55-17:05

2 stops25h 10m

£631

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

20:35-12:30

1 stop21h 55m

Chicago O'Hare Intl

Mon 5/10

17:55-12:55

1 stop13h 00m

£714

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

09:35-17:35

1 stop14h 00m

Chicago O'Hare Intl

Mon 5/10

13:43-12:55

2 stops17h 12m

£716

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

06:30-15:00

1 stop14h 30m

Chicago O'Hare Intl

Mon 5/10

13:43-12:55

2 stops17h 12m

£716

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/6

06:10-11:50

3 stops35h 40m

Chicago O'Hare Intl

Wed 17/6

09:55-17:05

2 stops25h 10m

£719
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

09:35-19:26

2 stops15h 51m

Chicago O'Hare Intl

Mon 5/10

18:26-15:30

2 stops15h 04m

£720

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/6

06:10-21:25

2 stops21h 15m

Chicago O'Hare Intl

Mon 15/6

22:25-20:25

2 stops16h 00m

£735

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/6

10:30-16:59

3 stops36h 29m

Chicago O'Hare Intl

Mon 15/6

09:55-16:15

2 stops24h 20m

£803

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 13/6

06:55-13:10

3 stops36h 15m

Chicago O'Hare Intl

Sat 20/6

19:25-17:10

2 stops15h 45m

£815

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 17/5

09:50-22:35

2 stops18h 45m

Chicago O'Hare Intl

Sun 24/5

08:42-09:20

2 stops18h 38m

£925

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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See travel insights to Chicago from

How to get the cheapest flight ticket from Belfast to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Chicago?

British Airways is the most popular carrier operating from Belfast to Chicago

Cheap Belfast to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Chicago

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from Belfast to Chicago takes 14h 00m
There are no direct flights from Belfast to Chicago. There are no popular flight routes from Belfast to Chicago.
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Frequently asked questions about flying from Belfast to Chicago

  • How far is Belfast to Chicago by plane?

    A flight from Belfast to Chicago will travel around 3636.7 mi. By plane, this route typically takes 14h 00m.

  • When did momondo last update prices for flights from Belfast to Chicago?

    Prices for flights from Belfast to Chicago are updated daily.

  • How many operators does momondo search for flights from Belfast to Chicago?

  • How old do you have to be to fly from Belfast to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Chicago

Compare and see reviews for airlines that fly from Belfast to Chicago with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £497Free CancellationRating
6.7
7,931 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Chicago?

It is quick and easy to find Belfast to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Belfast to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Chicago?

Once all potential Belfast to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Belfast to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport