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Cheap flights from Belfast to Chicago from £268

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 16/9. 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
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Find the cheapest flights from Belfast to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:35 - 22:05
BFS
-
ORD
31h 30m
3 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£607Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 10:16
BFS
-
ORD
33h 46m
3 stops
Multiple Airlines Logo
19:25 - 20:55
ORD
-
BFS
19h 30m
3 stops
£620Multiple Airlines
Mon, 24 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 10:16
BFS
-
ORD
33h 46m
3 stops
Multiple Airlines Logo
22:25 - 20:40
ORD
-
BFS
16h 15m
2 stops
£630Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
08:00 - 16:57
BFS
-
ORD
14h 57m
2 stops
Multiple Airlines Logo
19:25 - 20:40
ORD
-
BFS
19h 15m
2 stops
£632Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
KLM Logo
17:20 - 16:37
BHD
-
ORD
29h 17m
2 stops
KLM Logo
11:30 - 09:10
ORD
-
BHD
15h 40m
2 stops
£727KLM
Tue, 17 Nov - Sat, 28 Nov
Virgin Atlantic Logo
17:30 - 14:15
BHD
-
ORD
26h 45m
1 stop
Virgin Atlantic Logo
16:50 - 16:55
ORD
-
BHD
18h 05m
1 stop
£758Virgin Atlantic
Mon, 31 Aug - Mon, 7 Sep
KLM Logo
17:30 - 14:59
BHD
-
ORD
27h 29m
2 stops
KLM Logo
16:50 - 16:55
ORD
-
BHD
18h 05m
1 stop
£762KLM
Mon, 31 Aug - Mon, 7 Sep
American Airlines Logo
09:35 - 18:15
BHD
-
ORD
14h 40m
1 stop
American Airlines Logo
22:30 - 19:25
ORD
-
BHD
14h 55m
1 stop
£807American Airlines
Thu, 27 Aug - Thu, 3 Sep
American Airlines Logo
09:35 - 18:15
BHD
-
ORD
14h 40m
1 stop
American Airlines Logo
22:30 - 19:25
ORD
-
BHD
14h 55m
1 stop
£812American Airlines
Thu, 27 Aug - Thu, 3 Sep
British Airways Logo
09:35 - 18:15
BHD
-
ORD
14h 40m
1 stop
British Airways Logo
16:14 - 15:30
ORD
-
BHD
17h 16m
2 stops
£815British Airways
Thu, 27 Aug - Thu, 3 Sep

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KLM flights from Belfast to Chicago

Our best KLM deals on Belfast to Chicago flight tickets
KLM
17 Nov
BHD17:20Belfast City
29h 17m
2 stops
ORD16:37Chicago O'Hare Intl
28 Nov
ORD11:30Chicago O'Hare Intl
15h 40m
2 stops
BHD09:10Belfast City
£727
KLM
31 Aug
BHD17:30Belfast City
27h 29m
2 stops
ORD14:59Chicago O'Hare Intl
7 Sept
ORD16:50Chicago O'Hare Intl
18h 05m
1 stop
BHD16:55Belfast City
£762

American Airlines flights from Belfast to Chicago

Our best American Airlines deals on Belfast to Chicago flight tickets
American Airlines
27 Aug
BHD09:35Belfast City
14h 40m
1 stop
ORD18:15Chicago O'Hare Intl
3 Sept
ORD22:30Chicago O'Hare Intl
14h 55m
1 stop
BHD19:25Belfast City
£807
American Airlines
27 Aug
BHD09:35Belfast City
14h 40m
1 stop
ORD18:15Chicago O'Hare Intl
3 Sept
ORD22:30Chicago O'Hare Intl
14h 55m
1 stop
BHD19:25Belfast City
£812

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 7 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

Mon 24/8

20:35-22:05

3 stops31h 30m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£607

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 24/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Sun 30/8

19:25-20:55

3 stops19h 30m

£620

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 31/8

06:30-10:16

3 stops33h 46m

Chicago O'Hare Intl

Mon 7/9

22:25-20:40

2 stops16h 15m

£630

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 31/8

08:00-16:57

2 stops14h 57m

Chicago O'Hare Intl

Mon 7/9

19:25-20:40

2 stops19h 15m

£632

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 17/11

17:20-16:37

2 stops29h 17m

Chicago O'Hare Intl

Sat 28/11

11:30-09:10

2 stops15h 40m

£727

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£758

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 31/8

17:30-14:59

2 stops27h 29m

Chicago O'Hare Intl

Mon 7/9

16:50-16:55

1 stop18h 05m

£762
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

22:30-19:25

1 stop14h 55m

£807

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

22:30-19:25

1 stop14h 55m

£812

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 27/8

09:35-18:15

1 stop14h 40m

Chicago O'Hare Intl

Thu 3/9

16:14-15:30

2 stops17h 16m

£815

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

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 and Virgin Atlantic are the most popular carriers 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 10m

Direct flights

None
The fastest flight from Belfast to Chicago takes 12h 10m
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 12h 10m.

  • 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