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Cheap flights from Belfast to Chicago from $431

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 10/21. 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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Find the cheapest flights from Belfast to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 11:50 am
BFS
-
ORD
34h 50m
2 stops
Multiple Airlines Logo
9:55 am - 5:05 pm
ORD
-
BFS
25h 10m
2 stops
$852Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
British Airways Logo
8:35 pm - 12:30 pm
BHD
-
ORD
21h 55m
1 stop
British Airways Logo
5:55 pm - 12:55 pm
ORD
-
BHD
13h 00m
1 stop
$965British Airways
Thu, Oct 1 - Mon, Oct 5
British Airways Logo
9:35 am - 5:35 pm
BHD
-
ORD
14h 00m
1 stop
British Airways Logo
1:43 pm - 12:55 pm
ORD
-
BHD
17h 12m
2 stops
$967British Airways
Thu, Oct 1 - Mon, Oct 5
British Airways Logo
6:30 am - 3:00 pm
BHD
-
ORD
14h 30m
1 stop
British Airways Logo
1:43 pm - 12:55 pm
ORD
-
BHD
17h 12m
2 stops
$968British Airways
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
6:10 am - 11:50 am
BFS
-
ORD
35h 40m
3 stops
Multiple Airlines Logo
9:55 am - 5:05 pm
ORD
-
BFS
25h 10m
2 stops
$972Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
British Airways Logo
9:35 am - 7:26 pm
BHD
-
ORD
15h 51m
2 stops
British Airways Logo
6:26 pm - 3:30 pm
ORD
-
BHD
15h 04m
2 stops
$973British Airways
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
6:10 am - 9:25 pm
BFS
-
ORD
21h 15m
2 stops
Multiple Airlines Logo
10:25 pm - 8:25 pm
ORD
-
BFS
16h 00m
2 stops
$993Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
10:30 am - 4:59 pm
BFS
-
ORD
36h 29m
3 stops
Multiple Airlines Logo
9:55 am - 4:15 pm
ORD
-
BFS
24h 20m
2 stops
$1,085Multiple Airlines
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
6:55 am - 1:10 pm
BFS
-
ORD
36h 15m
3 stops
Multiple Airlines Logo
7:25 pm - 5:10 pm
ORD
-
BFS
15h 45m
2 stops
$1,101Multiple Airlines
Sat, Jun 13 - Sat, Jun 20
Delta Logo
9:50 am - 10:35 pm
BHD
-
ORD
18h 45m
2 stops
Delta Logo
8:42 am - 9:20 am
ORD
-
BHD
18h 38m
2 stops
$1,250Delta
Sun, May 17 - Sun, May 24

British Airways flights from Belfast to Chicago

Our best British Airways deals on Belfast to Chicago flight tickets
British Airways
Oct 1
BHD8:35 pmBelfast City
21h 55m
1 stop
ORD12:30 pmChicago O'Hare Intl
Oct 5
ORD5:55 pmChicago O'Hare Intl
13h 00m
1 stop
BHD12:55 pmBelfast City
$965
British Airways
Oct 1
BHD9:35 amBelfast City
14h 00m
1 stop
ORD5:35 pmChicago O'Hare Intl
Oct 5
ORD1:43 pmChicago O'Hare Intl
17h 12m
2 stops
BHD12:55 pmBelfast City
$967
British Airways
Oct 1
BHD6:30 amBelfast City
14h 30m
1 stop
ORD3:00 pmChicago O'Hare Intl
Oct 5
ORD1:43 pmChicago O'Hare Intl
17h 12m
2 stops
BHD12:55 pmBelfast City
$968

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 29, 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 round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 6/10

7:00 am-11:50 am

2 stops34h 50m

Chicago O'Hare Intl

Wed 6/17

9:55 am-5:05 pm

2 stops25h 10m

$852

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

8:35 pm-12:30 pm

1 stop21h 55m

Chicago O'Hare Intl

Mon 10/5

5:55 pm-12:55 pm

1 stop13h 00m

$965

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

9:35 am-5:35 pm

1 stop14h 00m

Chicago O'Hare Intl

Mon 10/5

1:43 pm-12:55 pm

2 stops17h 12m

$967

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

6:30 am-3:00 pm

1 stop14h 30m

Chicago O'Hare Intl

Mon 10/5

1:43 pm-12:55 pm

2 stops17h 12m

$968

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 6/10

6:10 am-11:50 am

3 stops35h 40m

Chicago O'Hare Intl

Wed 6/17

9:55 am-5:05 pm

2 stops25h 10m

$972
Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 10/1

9:35 am-7:26 pm

2 stops15h 51m

Chicago O'Hare Intl

Mon 10/5

6:26 pm-3:30 pm

2 stops15h 04m

$973

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/8

6:10 am-9:25 pm

2 stops21h 15m

Chicago O'Hare Intl

Mon 6/15

10:25 pm-8:25 pm

2 stops16h 00m

$993

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/8

10:30 am-4:59 pm

3 stops36h 29m

Chicago O'Hare Intl

Mon 6/15

9:55 am-4:15 pm

2 stops24h 20m

$1,085

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 6/13

6:55 am-1:10 pm

3 stops36h 15m

Chicago O'Hare Intl

Sat 6/20

7:25 pm-5:10 pm

2 stops15h 45m

$1,101

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 5/17

9:50 am-10:35 pm

2 stops18h 45m

Chicago O'Hare Intl

Sun 5/24

8:42 am-9:20 am

2 stops18h 38m

$1,250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

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?

    There are 3636.7 mi between Belfast and Chicago. 14h 00m is a normal flight duration for this route.

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

    Prices for flights from Belfast to Chicago were last updated today.

  • 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 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.

  • 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

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

Finding the right flight to Chicago from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Chicago from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Belfast and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Belfast and alert you when they change.

An easier way to manage your Chicago trip

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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