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Cheap flights from Chicago to Belfast from $327

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Belfast departing on 4/13. 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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Find the cheapest flights from Chicago to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:10 pm - 7:30 am
ORD
-
BHD
32h 20m
1 stop
British Airways Logo
10:40 am - 2:50 pm
BHD
-
ORD
33h 10m
1 stop
$719British Airways
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
5:55 pm - 12:00 pm
ORD
-
BHD
12h 05m
1 stop
American Airlines Logo
6:30 am - 2:55 pm
BHD
-
ORD
14h 25m
1 stop
$722American Airlines
Wed, Apr 29 - Sun, May 3
Multiple Airlines Logo
4:45 pm - 4:00 pm
ORD
-
BFS
18h 15m
2 stops
Multiple Airlines Logo
7:35 am - 7:15 pm
BFS
-
ORD
17h 40m
2 stops
$723Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
American Airlines Logo
5:55 pm - 12:00 pm
ORD
-
BHD
12h 05m
1 stop
American Airlines Logo
1:10 pm - 11:54 pm
BHD
-
ORD
16h 44m
2 stops
$732American Airlines
Wed, Apr 29 - Sun, May 3
British Airways Logo
3:16 pm - 1:35 pm
ORD
-
BHD
16h 19m
2 stops
British Airways Logo
7:10 pm - 5:04 pm
BHD
-
ORD
27h 54m
2 stops
$748British Airways
Wed, Apr 29 - Sun, May 3
Air Europa Logo
7:16 pm - 4:55 pm
MDW
-
BHD
15h 39m
2 stops
Air Europa Logo
9:50 am - 10:28 pm
BHD
-
MDW
18h 38m
2 stops
$757Air Europa
Wed, Apr 29 - Sun, May 3
British Airways Logo
5:10 pm - 2:15 pm
ORD
-
BHD
15h 05m
1 stop
British Airways Logo
12:10 pm - 2:50 pm
BHD
-
ORD
31h 40m
1 stop
$799British Airways
Wed, Mar 4 - Sun, Mar 8
KLM Logo
7:16 pm - 4:55 pm
MDW
-
BHD
15h 39m
2 stops
KLM Logo
9:50 am - 10:28 pm
BHD
-
MDW
18h 38m
2 stops
$1,320KLM
Tue, Apr 14 - Tue, Apr 21
Delta Logo
6:00 am - 8:20 am
MDW
-
BHD
21h 20m
2 stops
Delta Logo
9:50 am - 10:31 pm
BHD
-
MDW
18h 41m
2 stops
$2,717Delta
Sat, Mar 28 - Thu, Apr 2
Delta Logo
6:00 am - 8:20 am
MDW
-
BHD
21h 20m
2 stops
Delta Logo
9:50 am - 10:31 pm
BHD
-
MDW
18h 41m
2 stops
$2,946Delta
Sat, Mar 28 - Thu, Apr 2

American Airlines flights from Chicago to Belfast

Our best American Airlines deals on Chicago to Belfast flight tickets
American Airlines
Feb 10
ORD6:25 pmChicago O'Hare Intl
11h 05m
1 stop
BHD11:30 amBelfast City
Feb 18
BHD6:35 amBelfast City
14h 50m
1 stop
ORD3:25 pmChicago O'Hare Intl
$657
American Airlines
Feb 10
ORD2:50 pmChicago O'Hare Intl
13h 40m
2 stops
BHD10:30 amBelfast City
Feb 18
BHD6:35 amBelfast City
14h 50m
1 stop
ORD3:25 pmChicago O'Hare Intl
$662
American Airlines
Feb 11
ORD6:25 pmChicago O'Hare Intl
16h 10m
1 stop
BHD4:35 pmBelfast City
Mar 4
BHD9:15 amBelfast City
12h 10m
1 stop
ORD3:25 pmChicago O'Hare Intl
$667

Scandinavian Airlines flights from Chicago to Belfast

Our best Scandinavian Airlines deals on Chicago to Belfast flight tickets
Scandinavian Airlines
Jul 19
ORD4:20 pmChicago O'Hare Intl
18h 35m
1 stop
BHD4:55 pmBelfast City
Jul 25
BHD5:30 pmBelfast City
29h 18m
2 stops
ORD4:48 pmChicago O'Hare Intl
$983
Scandinavian Airlines
Jul 19
ORD7:35 pmChicago O'Hare Intl
31h 45m
2 stops
BHD9:20 amBelfast City
Jul 25
BHD5:30 pmBelfast City
29h 18m
2 stops
ORD4:48 pmChicago O'Hare Intl
$989

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Belfast 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 February 8, 2026.
Use the filters below to find and compare flights from Chicago to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

5:10 pm-7:30 am

1 stop32h 20m

Belfast City

Sun 3/8

10:40 am-2:50 pm

1 stop33h 10m

$719

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/29

5:55 pm-12:00 pm

1 stop12h 05m

Belfast City

Sun 5/3

6:30 am-2:55 pm

1 stop14h 25m

$722

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 3/24

4:45 pm-4:00 pm

2 stops18h 15m

Belfast Intl

Tue 3/31

7:35 am-7:15 pm

2 stops17h 40m

$723

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/29

5:55 pm-12:00 pm

1 stop12h 05m

Belfast City

Sun 5/3

1:10 pm-11:54 pm

2 stops16h 44m

$732

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/29

3:16 pm-1:35 pm

2 stops16h 19m

Belfast City

Sun 5/3

7:10 pm-5:04 pm

2 stops27h 54m

$748

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 4/29

7:16 pm-4:55 pm

2 stops15h 39m

Belfast City

Sun 5/3

9:50 am-10:28 pm

2 stops18h 38m

$757

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

5:10 pm-2:15 pm

1 stop15h 05m

Belfast City

Sun 3/8

12:10 pm-2:50 pm

1 stop31h 40m

$799

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 4/14

7:16 pm-4:55 pm

2 stops15h 39m

Belfast City

Tue 4/21

9:50 am-10:28 pm

2 stops18h 38m

$1,320

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 3/28

6:00 am-8:20 am

2 stops21h 20m

Belfast City

Thu 4/2

9:50 am-10:31 pm

2 stops18h 41m

$2,717

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 3/28

6:00 am-8:20 am

2 stops21h 20m

Belfast City

Thu 4/2

9:50 am-10:31 pm

2 stops18h 41m

$2,946

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Chicago to Belfast

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 Chicago to Belfast?

Aer Lingus is the most popular carrier operating from Chicago to Belfast

Cheap Chicago to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Belfast

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from Chicago to Belfast takes 15h 05m
There are no direct flights from Chicago to Belfast. There are no popular flight routes from Chicago to Belfast.
Search flight deals

  • How far is Chicago to Belfast by plane?

    Chicago and Belfast are 3636.7 mi apart from one another. Typically, this will take 15h 05m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from Chicago to Belfast?

  • How old do you have to be to fly from Chicago to Belfast?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Chicago to Belfast

Compare and see reviews for airlines that fly from Chicago to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,719 reviews
Search British Airways flights

Why use momondo?

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

It is quick and easy to find Chicago to Belfast 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 Belfast that suits you.

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

Flights from Chicago to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Chicago to Belfast 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 Chicago to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Belfast 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 Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport