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Cheap flights from Belfast to Chicago from £291

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 20/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Belfast to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:05 - 20:12
BFS
-
ORD
29h 07m
3 stops
Multiple Airlines Logo
19:25 - 19:40
ORD
-
BFS
18h 15m
2 stops
£617Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
Multiple Airlines Logo
18:35 - 21:20
BFS
-
ORD
32h 45m
2 stops
Multiple Airlines Logo
19:25 - 19:40
ORD
-
BFS
18h 15m
2 stops
£629Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
Multiple Airlines Logo
22:30 - 12:40
BFS
-
ORD
44h 10m
3 stops
Multiple Airlines Logo
09:50 - 19:40
ORD
-
BFS
27h 50m
2 stops
£638Multiple Airlines
Tue, 1 Sep - Tue, 8 Sep
British Airways Logo
06:30 - 16:49
BHD
-
ORD
16h 19m
2 stops
British Airways Logo
19:05 - 13:35
ORD
-
BHD
12h 30m
1 stop
£664British Airways
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
08:20 - 14:44
BFS
-
ORD
36h 24m
3 stops
Multiple Airlines Logo
19:25 - 21:00
ORD
-
BFS
19h 35m
2 stops
£665Multiple Airlines
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
21:05 - 20:12
BFS
-
ORD
29h 07m
3 stops
Multiple Airlines Logo
19:25 - 23:10
ORD
-
BFS
21h 45m
3 stops
£673Multiple Airlines
Fri, 25 Sep - Tue, 29 Sep
British Airways Logo
06:30 - 15:55
BHD
-
ORD
15h 25m
1 stop
British Airways Logo
19:05 - 15:20
ORD
-
BHD
14h 15m
1 stop
£707British Airways
Fri, 25 Sep - Tue, 29 Sep
Iberia Logo
06:30 - 12:25
BHD
-
ORD
11h 55m
1 stop
Iberia Logo
22:25 - 18:45
ORD
-
BHD
14h 20m
1 stop
£710Iberia
Thu, 10 Sep - Thu, 24 Sep
American Airlines Logo
06:35 - 15:30
BHD
-
ORD
14h 55m
1 stop
American Airlines Logo
20:40 - 14:15
ORD
-
BHD
11h 35m
1 stop
£716American Airlines
Thu, 3 Dec - Mon, 7 Dec
Iberia Logo
16:25 - 12:30
BHD
-
ORD
26h 05m
1 stop
Iberia Logo
20:50 - 18:10
ORD
-
BHD
15h 20m
1 stop
£728Iberia
Fri, 4 Sep - Fri, 11 Sep

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Iberia flights from Belfast to Chicago

Our best Iberia deals on Belfast to Chicago flight tickets
Iberia
10 Sept
BHD06:30Belfast City
11h 55m
1 stop
ORD12:25Chicago O'Hare Intl
24 Sept
ORD22:25Chicago O'Hare Intl
14h 20m
1 stop
BHD18:45Belfast City
£710
Iberia
4 Sept
BHD16:25Belfast City
26h 05m
1 stop
ORD12:30Chicago O'Hare Intl
11 Sept
ORD20:50Chicago O'Hare Intl
15h 20m
1 stop
BHD18:10Belfast City
£728
Iberia
4 Sept
BHD11:00Belfast City
12h 15m
1 stop
ORD17:15Chicago O'Hare Intl
11 Sept
ORD15:50Chicago O'Hare Intl
20h 20m
2 stops
BHD18:10Belfast City
£735

British Airways flights from Belfast to Chicago

Our best British Airways deals on Belfast to Chicago flight tickets
British Airways
7 Oct
BHD06:30Belfast City
16h 19m
2 stops
ORD16:49Chicago O'Hare Intl
14 Oct
ORD19:05Chicago O'Hare Intl
12h 30m
1 stop
BHD13:35Belfast City
£664
British Airways
25 Sept
BHD06:30Belfast City
15h 25m
1 stop
ORD15:55Chicago O'Hare Intl
29 Sept
ORD19:05Chicago O'Hare Intl
14h 15m
1 stop
BHD15:20Belfast City
£707
British Airways
25 Sept
BHD09:35Belfast City
12h 20m
1 stop
ORD15:55Chicago O'Hare Intl
29 Sept
ORD13:35Chicago O'Hare Intl
15h 10m
2 stops
BHD10:45Belfast City
£709

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 22 July 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

Fri 25/9

21:05-20:12

3 stops29h 07m

Chicago O'Hare Intl

Tue 29/9

19:25-19:40

2 stops18h 15m

£617

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/9

18:35-21:20

2 stops32h 45m

Chicago O'Hare Intl

Tue 29/9

19:25-19:40

2 stops18h 15m

£629

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 1/9

22:30-12:40

3 stops44h 10m

Chicago O'Hare Intl

Tue 8/9

09:50-19:40

2 stops27h 50m

£638

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 7/10

06:30-16:49

2 stops16h 19m

Chicago O'Hare Intl

Wed 14/10

19:05-13:35

1 stop12h 30m

£664

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 27/8

08:20-14:44

3 stops36h 24m

Chicago O'Hare Intl

Sun 30/8

19:25-21:00

2 stops19h 35m

£665

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 25/9

21:05-20:12

3 stops29h 07m

Chicago O'Hare Intl

Tue 29/9

19:25-23:10

3 stops21h 45m

£673

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 25/9

06:30-15:55

1 stop15h 25m

Chicago O'Hare Intl

Tue 29/9

19:05-15:20

1 stop14h 15m

£707
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/9

06:30-12:25

1 stop11h 55m

Chicago O'Hare Intl

Thu 24/9

22:25-18:45

1 stop14h 20m

£710

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 3/12

06:35-15:30

1 stop14h 55m

Chicago O'Hare Intl

Mon 7/12

20:40-14:15

1 stop11h 35m

£716

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 4/9

16:25-12:30

1 stop26h 05m

Chicago O'Hare Intl

Fri 11/9

20:50-18:10

1 stop15h 20m

£728

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

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 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 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.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schererville

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