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Cheap flights from Chicago to Belfast from $322

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 9/8. 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
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
7:05 pm - 3:30 pm
ORD
-
BHD
14h 25m
1 stop
British Airways Logo
6:30 pm - 1:50 pm
BHD
-
ORD
25h 20m
1 stop
$933British Airways
Thu, Oct 8 - Mon, Oct 12
Multiple Airlines Logo
9:55 am - 3:55 pm
ORD
-
BFS
24h 00m
2 stops
Multiple Airlines Logo
6:15 am - 4:57 pm
BFS
-
ORD
40h 42m
3 stops
$952Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
British Airways Logo
7:05 pm - 3:30 pm
ORD
-
BHD
14h 25m
1 stop
British Airways Logo
7:35 pm - 4:13 pm
BHD
-
ORD
26h 38m
2 stops
$960British Airways
Thu, Oct 8 - Mon, Oct 12
British Airways Logo
9:15 pm - 6:45 pm
ORD
-
BHD
15h 30m
1 stop
British Airways Logo
6:30 am - 3:55 pm
BHD
-
ORD
15h 25m
1 stop
$976British Airways
Thu, Oct 1 - Sun, Oct 4
British Airways Logo
7:05 pm - 3:30 pm
ORD
-
BHD
14h 25m
1 stop
British Airways Logo
6:30 am - 3:55 pm
BHD
-
ORD
15h 25m
1 stop
$982British Airways
Thu, Oct 1 - Sun, Oct 4
Multiple Airlines Logo
9:55 am - 9:10 pm
ORD
-
BFS
29h 15m
2 stops
Multiple Airlines Logo
7:30 am - 10:05 pm
BFS
-
ORD
20h 35m
2 stops
$986Multiple Airlines
Wed, Jun 17 - Wed, Jun 24
KLM Logo
4:20 pm - 9:20 am
ORD
-
BHD
11h 00m
1 stop
KLM Logo
9:50 am - 9:34 pm
BHD
-
ORD
17h 44m
2 stops
$1,029KLM
Sun, Aug 2 - Sat, Aug 15
KLM Logo
6:58 pm - 4:55 pm
MDW
-
BHD
15h 57m
2 stops
KLM Logo
9:50 am - 10:15 pm
BHD
-
MDW
18h 25m
2 stops
$3,354KLM
Mon, Jun 29 - Sat, Jul 11
Delta Logo
5:25 pm - 4:55 pm
MDW
-
BHD
17h 30m
2 stops
Delta Logo
9:45 am - 9:46 pm
BHD
-
MDW
18h 01m
2 stops
$3,412Delta
Thu, Oct 1 - Sun, Oct 4
Delta Logo
5:25 pm - 4:55 pm
MDW
-
BHD
17h 30m
2 stops
Delta Logo
9:45 am - 9:46 pm
BHD
-
MDW
18h 01m
2 stops
$3,632Delta
Thu, Oct 1 - Sun, Oct 4

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British Airways flights from Chicago to Belfast

Our best British Airways deals on Chicago to Belfast flight tickets
British Airways
Oct 8
ORD7:05 pmChicago O'Hare Intl
14h 25m
1 stop
BHD3:30 pmBelfast City
Oct 12
BHD6:30 pmBelfast City
25h 20m
1 stop
ORD1:50 pmChicago O'Hare Intl
$933
British Airways
Oct 8
ORD7:05 pmChicago O'Hare Intl
14h 25m
1 stop
BHD3:30 pmBelfast City
Oct 12
BHD7:35 pmBelfast City
26h 38m
2 stops
ORD4:13 pmChicago O'Hare Intl
$960
British Airways
Oct 1
ORD9:15 pmChicago O'Hare Intl
15h 30m
1 stop
BHD6:45 pmBelfast City
Oct 4
BHD6:30 amBelfast City
15h 25m
1 stop
ORD3:55 pmChicago O'Hare Intl
$976

American Airlines flights from Chicago to Belfast

Our best American Airlines deals on Chicago to Belfast flight tickets
American Airlines
Jul 19
ORD10:30 pmChicago O'Hare Intl
14h 15m
1 stop
BHD6:45 pmBelfast City
Jul 25
BHD4:15 pmBelfast City
26h 15m
1 stop
ORD12:30 pmChicago O'Hare Intl
$1,105
American Airlines
Jul 19
ORD10:30 pmChicago O'Hare Intl
14h 15m
1 stop
BHD6:45 pmBelfast City
Jul 25
BHD4:15 pmBelfast City
26h 15m
1 stop
ORD12:30 pmChicago O'Hare Intl
$1,106

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 May 6, 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

Cheapest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/8

7:05 pm-3:30 pm

1 stop14h 25m

Belfast City

Mon 10/12

6:30 pm-1:50 pm

1 stop25h 20m

$933

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 6/17

9:55 am-3:55 pm

2 stops24h 00m

Belfast Intl

Wed 6/24

6:15 am-4:57 pm

3 stops40h 42m

$952

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/8

7:05 pm-3:30 pm

1 stop14h 25m

Belfast City

Mon 10/12

7:35 pm-4:13 pm

2 stops26h 38m

$960

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/1

9:15 pm-6:45 pm

1 stop15h 30m

Belfast City

Sun 10/4

6:30 am-3:55 pm

1 stop15h 25m

$976

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/1

7:05 pm-3:30 pm

1 stop14h 25m

Belfast City

Sun 10/4

6:30 am-3:55 pm

1 stop15h 25m

$982

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 6/17

9:55 am-9:10 pm

2 stops29h 15m

Belfast Intl

Wed 6/24

7:30 am-10:05 pm

2 stops20h 35m

$986
Quickest round-trip

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/2

4:20 pm-9:20 am

1 stop11h 00m

Belfast City

Sat 8/15

9:50 am-9:34 pm

2 stops17h 44m

$1,029

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 6/29

6:58 pm-4:55 pm

2 stops15h 57m

Belfast City

Sat 7/11

9:50 am-10:15 pm

2 stops18h 25m

$3,354

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 10/1

5:25 pm-4:55 pm

2 stops17h 30m

Belfast City

Sun 10/4

9:45 am-9:46 pm

2 stops18h 01m

$3,412

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 10/1

5:25 pm-4:55 pm

2 stops17h 30m

Belfast City

Sun 10/4

9:45 am-9:46 pm

2 stops18h 01m

$3,632

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 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?

British Airways and Delta are the most popular carriers 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

11h 00m

Direct flights

None
The fastest flight from Chicago to Belfast takes 11h 00m
There are no direct flights from Chicago to Belfast. There are no popular flight routes from Chicago to Belfast.
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Frequently asked questions about flying from Chicago to Belfast

  • How far is Chicago to Belfast by plane?

    Chicago and Belfast are 3636.7 mi apart from one another. Typically, this will take 11h 00m 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
7,944 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