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Cheap flights from Belfast to Chicago from £253

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 29/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:10 - 17:20
BFS
-
ORD
15h 10m2 stops
Multiple Airlines Logo
18:30 - 17:40
ORD
-
BFS
17h 10m2 stops
£488Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
21:05 - 14:45
BFS
-
ORD
47h 40m3 stops
Multiple Airlines Logo
07:15 - 15:10
ORD
-
BFS
25h 55m3 stops
£526Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
21:05 - 14:45
BFS
-
ORD
47h 40m3 stops
Multiple Airlines Logo
21:50 - 22:00
ORD
-
BFS
18h 10m2 stops
£529Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
British Airways Logo
09:05 - 17:00
BHD
-
ORD
13h 55m1 stop
British Airways Logo
18:25 - 14:15
ORD
-
BHD
13h 50m1 stop
£529British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
09:05 - 15:25
BHD
-
ORD
12h 20m1 stop
British Airways Logo
15:21 - 14:15
ORD
-
BHD
16h 54m2 stops
£531British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
09:05 - 20:20
BHD
-
ORD
17h 15m2 stops
British Airways Logo
15:21 - 14:15
ORD
-
BHD
16h 54m2 stops
£534British Airways
Thu, 29 Jan - Mon, 2 Feb
British Airways Logo
09:05 - 20:10
BHD
-
ORD
17h 05m2 stops
British Airways Logo
11:44 - 10:40
ORD
-
BHD
16h 56m2 stops
£535British Airways
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
10:10 - 14:45
BFS
-
ORD
34h 35m3 stops
Multiple Airlines Logo
18:50 - 22:40
ORD
-
BFS
21h 50m2 stops
£603Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
10:10 - 14:45
BFS
-
ORD
34h 35m3 stops
Multiple Airlines Logo
18:30 - 22:30
ORD
-
BFS
22h 00m3 stops
£603Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
British Airways Logo
06:35 - 13:50
BHD
-
ORD
13h 15m1 stop
British Airways Logo
16:14 - 14:15
ORD
-
BHD
16h 01m2 stops
£625British Airways
Thu, 29 Jan - Mon, 2 Feb

British Airways flights from Belfast to Chicago O'Hare Intl Airport

Our best British Airways deals on Belfast to Chicago O'Hare Intl Airport 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

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Chicago O'Hare Intl Airport 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 18 December 2025.
Use the filters below to find and compare flights from Belfast to Chicago O'Hare Intl Airport that are best for you.

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
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Belfast to Chicago O'Hare Intl Airport

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 time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the morning when flights can be purchased for as low as £620. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £629.

Cheap Belfast to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Chicago O'Hare Intl Airport

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Belfast to Chicago O'Hare Intl Airport takes 12h 20m
There are no direct flights from Belfast to Chicago O'Hare Intl Airport. There are no popular flight routes from Belfast to Chicago O'Hare Intl Airport.
Search flight deals

  • How far is Belfast to Chicago O'Hare Intl by plane?

    A flight from Belfast to Chicago O'Hare Intl will travel around 3642.0 mi. Typically, this will take 12h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Belfast to Chicago O'Hare Intl Airport?

    Prices for flights from Belfast to Chicago O'Hare Intl Airport are updated daily.

  • How many operators does momondo search for flights from Belfast to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Belfast to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Belfast to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £486Free CancellationRating
6.7
7,585 reviews
Search British Airways flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Schaumburg
Lincolnshire
Lake Geneva
Joliet
Oak Park
Oak Brook
Elgin
Rosemont

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Belfast.

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

Yes. momondo allows you to filter the results for Belfast to Chicago flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Chicago.

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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