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

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

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?

The number of operators available for flights from Belfast to Chicago is 1 as of December 2025.

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.

£253 Cheap Flights from Belfast to Chicago in 2025/26

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Find the cheapest flights from Belfast to Chicago

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:10 - 17:20

BFS

ORD

15h 10m2 stops

18:30 - 17:40

ORD

BFS

17h 10m2 stops

£488Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

21:05 - 14:45

BFS

ORD

47h 40m3 stops

07:15 - 15:10

ORD

BFS

25h 55m3 stops

£526Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

21:05 - 14:45

BFS

ORD

47h 40m3 stops

21:50 - 22:00

ORD

BFS

18h 10m2 stops

£529Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

09:05 - 17:00

BHD

ORD

13h 55m1 stop

18:25 - 14:15

ORD

BHD

13h 50m1 stop

£529British Airways

Thu, 29 Jan - Mon, 2 Feb

09:05 - 15:25

BHD

ORD

12h 20m1 stop

15:21 - 14:15

ORD

BHD

16h 54m2 stops

£531British Airways

Thu, 29 Jan - Mon, 2 Feb

09:05 - 20:20

BHD

ORD

17h 15m2 stops

15:21 - 14:15

ORD

BHD

16h 54m2 stops

£534British Airways

Thu, 29 Jan - Mon, 2 Feb

09:05 - 20:10

BHD

ORD

17h 05m2 stops

11:44 - 10:40

ORD

BHD

16h 56m2 stops

£535British Airways

Thu, 29 Jan - Mon, 2 Feb

10:10 - 14:45

BFS

ORD

34h 35m3 stops

18:50 - 22:40

ORD

BFS

21h 50m2 stops

£603Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

10:10 - 14:45

BFS

ORD

34h 35m3 stops

18:30 - 22:30

ORD

BFS

22h 00m3 stops

£603Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

06:35 - 13:50

BHD

ORD

13h 15m1 stop

16:14 - 14:15

ORD

BHD

16h 01m2 stops

£625British Airways

Thu, 29 Jan - Mon, 2 Feb

British Airways flights from Belfast to Chicago

Our best British Airways deals on Belfast to Chicago flight tickets

British Airways

29 Jan

BHD09:05Belfast City

12h 20m

1 stop

ORD15:25Chicago O'Hare Intl

2 Feb

ORD10:10Chicago O'Hare Intl

18h 30m

2 stops

BHD10:40Belfast City

£529

Find similar

British Airways

29 Jan

BHD09:05Belfast City

12h 20m

1 stop

ORD15:25Chicago O'Hare Intl

2 Feb

ORD15:21Chicago O'Hare Intl

16h 54m

2 stops

BHD14:15Belfast City

£531

Find similar

British Airways

29 Jan

BHD09:05Belfast City

17h 15m

2 stops

ORD20:20Chicago O'Hare Intl

2 Feb

ORD15:21Chicago O'Hare Intl

16h 54m

2 stops

BHD14:15Belfast City

£534

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 31/1

08:10-17:20

2 stops15h 10m

Chicago O'Hare Intl

Sat 7/2

18:30-17:40

2 stops17h 10m

£488

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 30/1

21:05-14:45

3 stops47h 40m

Chicago O'Hare Intl

Fri 6/2

07:15-15:10

3 stops25h 55m

£526

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 30/1

21:05-14:45

3 stops47h 40m

Chicago O'Hare Intl

Fri 6/2

21:50-22:00

2 stops18h 10m

£529

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

09:05-17:00

1 stop13h 55m

Chicago O'Hare Intl

Mon 2/2

18:25-14:15

1 stop13h 50m

£529

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

09:05-15:25

1 stop12h 20m

Chicago O'Hare Intl

Mon 2/2

15:21-14:15

2 stops16h 54m

£531

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

09:05-20:20

2 stops17h 15m

Chicago O'Hare Intl

Mon 2/2

15:21-14:15

2 stops16h 54m

£534

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

09:05-20:10

2 stops17h 05m

Chicago O'Hare Intl

Mon 2/2

11:44-10:40

2 stops16h 56m

£535

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 31/1

10:10-14:45

3 stops34h 35m

Chicago O'Hare Intl

Sat 7/2

18:50-22:40

2 stops21h 50m

£603

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 31/1

10:10-14:45

3 stops34h 35m

Chicago O'Hare Intl

Sat 7/2

18:30-22:30

3 stops22h 00m

£603

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 29/1

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

Mon 2/2

16:14-14:15

2 stops16h 01m

£625

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as £592. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £826.

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	12h 20m
Direct flights	None

The fastest flight from Belfast to Chicago takes 12h 20m

There are no direct flights from Belfast to Chicago. There are no popular flight routes from Belfast to Chicago.

Search flight deals

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 12h 20m.
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?
The number of operators available for flights from Belfast to Chicago is 1 as of December 2025.
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 Airways	PriceFrom £486	Free Cancellation	Rating 6.7 7,585 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.