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Cheap flights from Belfast to Chicago from $437

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 10/8. 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 round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:30 am - 6:15 pm
BHD
-
ORD
17h 45m
1 stop
British Airways Logo
10:35 pm - 5:30 pm
ORD
-
BHD
12h 55m
1 stop
$874British Airways
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
9:05 am - 6:25 pm
BHD
-
ORD
15h 20m
2 stops
British Airways Logo
4:06 pm - 1:55 pm
ORD
-
BHD
15h 49m
2 stops
$879British Airways
Thu, Nov 5 - Sun, Nov 8
British Airways Logo
6:30 am - 4:46 pm
BHD
-
ORD
16h 16m
2 stops
British Airways Logo
6:57 pm - 3:30 pm
ORD
-
BHD
14h 33m
2 stops
$880British Airways
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
10:45 pm - 8:05 pm
BFS
-
ORD
27h 20m
3 stops
Multiple Airlines Logo
7:25 pm - 10:20 pm
ORD
-
BFS
20h 55m
3 stops
$910Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
British Airways Logo
6:30 am - 6:15 pm
BHD
-
ORD
17h 45m
1 stop
British Airways Logo
9:00 pm - 3:30 pm
ORD
-
BHD
12h 30m
1 stop
$914British Airways
Thu, Sep 17 - Mon, Sep 21
Multiple Airlines Logo
10:45 pm - 7:52 pm
BFS
-
ORD
27h 07m
2 stops
Multiple Airlines Logo
7:25 pm - 10:20 pm
ORD
-
BFS
20h 55m
3 stops
$940Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
8:00 am - 4:57 pm
BFS
-
ORD
14h 57m
2 stops
Multiple Airlines Logo
10:25 pm - 10:35 pm
ORD
-
BFS
18h 10m
2 stops
$944Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
British Airways Logo
7:00 am - 5:44 pm
BHD
-
ORD
16h 44m
2 stops
British Airways Logo
5:19 pm - 12:55 pm
ORD
-
BHD
13h 36m
2 stops
$944British Airways
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
11:05 am - 6:45 pm
BHD
-
ORD
13h 40m
1 stop
British Airways Logo
4:06 pm - 1:55 pm
ORD
-
BHD
15h 49m
2 stops
$954British Airways
Thu, Nov 5 - Sun, Nov 8
Multiple Airlines Logo
7:35 am - 7:52 pm
BFS
-
ORD
18h 17m
2 stops
Multiple Airlines Logo
10:25 pm - 8:40 pm
ORD
-
BFS
16h 15m
2 stops
$955Multiple Airlines
Wed, Jul 22 - Wed, Jul 29

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KLM flights from Belfast to Chicago

Our best KLM deals on Belfast to Chicago flight tickets
KLM
Jun 15
BHD5:30 pmBelfast City
26h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jun 22
ORD7:17 pmChicago O'Hare Intl
15h 38m
2 stops
BHD4:55 pmBelfast City
$974
KLM
Jul 6
BHD5:30 pmBelfast City
26h 45m
1 stop
ORD2:15 pmChicago O'Hare Intl
Jul 13
ORD12:27 pmChicago O'Hare Intl
14h 53m
2 stops
BHD9:20 amBelfast City
$979

Delta flights from Belfast to Chicago

Our best Delta deals on Belfast to Chicago flight tickets
Delta
Jun 15
BHD9:50 amBelfast City
16h 41m
2 stops
ORD8:31 pmChicago O'Hare Intl
Jun 22
ORD7:17 pmChicago O'Hare Intl
15h 38m
2 stops
BHD4:55 pmBelfast City
$978
Delta
Jul 6
BHD9:50 amBelfast City
17h 35m
2 stops
ORD9:25 pmChicago O'Hare Intl
Jul 13
ORD10:28 amChicago O'Hare Intl
16h 52m
2 stops
BHD9:20 amBelfast City
$982
Delta
Jun 15
BHD9:50 amBelfast City
16h 41m
2 stops
ORD8:31 pmChicago O'Hare Intl
Jun 22
ORD7:17 pmChicago O'Hare Intl
15h 38m
2 stops
BHD4:55 pmBelfast City
$1,017

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 June 9, 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

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-6:15 pm

1 stop17h 45m

Chicago O'Hare Intl

Mon 9/21

10:35 pm-5:30 pm

1 stop12h 55m

$874

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/5

9:05 am-6:25 pm

2 stops15h 20m

Chicago O'Hare Intl

Sun 11/8

4:06 pm-1:55 pm

2 stops15h 49m

$879

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-4:46 pm

2 stops16h 16m

Chicago O'Hare Intl

Mon 9/21

6:57 pm-3:30 pm

2 stops14h 33m

$880

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 7/22

10:45 pm-8:05 pm

3 stops27h 20m

Chicago O'Hare Intl

Wed 7/29

7:25 pm-10:20 pm

3 stops20h 55m

$910

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

6:30 am-6:15 pm

1 stop17h 45m

Chicago O'Hare Intl

Mon 9/21

9:00 pm-3:30 pm

1 stop12h 30m

$914

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 7/22

10:45 pm-7:52 pm

2 stops27h 07m

Chicago O'Hare Intl

Wed 7/29

7:25 pm-10:20 pm

3 stops20h 55m

$940

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 7/20

8:00 am-4:57 pm

2 stops14h 57m

Chicago O'Hare Intl

Mon 7/27

10:25 pm-10:35 pm

2 stops18h 10m

$944

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 9/17

7:00 am-5:44 pm

2 stops16h 44m

Chicago O'Hare Intl

Mon 9/21

5:19 pm-12:55 pm

2 stops13h 36m

$944
Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 11/5

11:05 am-6:45 pm

1 stop13h 40m

Chicago O'Hare Intl

Sun 11/8

4:06 pm-1:55 pm

2 stops15h 49m

$954

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 7/22

7:35 am-7:52 pm

2 stops18h 17m

Chicago O'Hare Intl

Wed 7/29

10:25 pm-8:40 pm

2 stops16h 15m

$955

Flights are sorted by cheapest round-trip 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

11h 55m

Direct flights

None
The fastest flight from Belfast to Chicago takes 11h 55m
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?

    There are 3636.7 mi between Belfast and Chicago. 11h 55m 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
Portage
Benton Harbor
Lansing
Valparaiso
Schererville
Munster
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.

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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