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Cheap flights from Chicago O'Hare Intl Airport to Belfast from $341

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 O'Hare Intl Airport to Belfast departing on 9/6. 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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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Belfast

Cheap round-trip flights

British Airways Logo
10:35 pm - 3:40 pmORD-BHD
11h 05m1 stop
British Airways Logo
7:30 pm - 3:45 pmBHD-ORD
26h 15m2 stops
$637British Airways
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Mon, Aug 25 - Mon, Sep 1
British Airways Logo
8:35 pm - 3:40 pmORD-BHD
13h 05m1 stop
British Airways Logo
7:30 pm - 11:55 amBHD-ORD
22h 25m1 stop
$647British Airways
Find Deal
Mon, Aug 25 - Mon, Sep 1
American Airlines Logo
3:08 pm - 10:20 amORD-BHD
13h 12m2 stops
American Airlines Logo
6:35 am - 3:25 pmBHD-ORD
14h 50m1 stop
$690American Airlines
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Thu, Nov 6 - Wed, Nov 12
Logo
9:15 pm - 6:45 pmORD-BFS
15h 30m1 stop
Logo
4:50 pm - 3:15 pmBFS-ORD
28h 25m2 stops
$699
Find Deal
Mon, Oct 20 - Thu, Nov 6
American Airlines Logo
3:08 pm - 10:20 amORD-BHD
13h 12m2 stops
American Airlines Logo
6:35 am - 5:38 pmBHD-ORD
17h 03m2 stops
$700American Airlines
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Thu, Nov 6 - Wed, Nov 12
Logo
4:55 pm - 1:50 pmORD-BFS
14h 55m1 stop
Logo
6:40 am - 9:38 amBFS-ORD
32h 58m2 stops
$705
Find Deal
Mon, Oct 20 - Mon, Nov 3
Virgin Atlantic Logo
4:15 pm - 9:15 pmORD-BHD
23h 00m1 stop
Virgin Atlantic Logo
6:30 am - 2:10 pmBHD-ORD
13h 40m1 stop
$763Virgin Atlantic
Find Deal
Fri, Oct 3 - Tue, Oct 7
Virgin Atlantic Logo
4:15 pm - 9:15 pmORD-BHD
23h 00m1 stop
Virgin Atlantic Logo
6:30 am - 2:10 pmBHD-ORD
13h 40m1 stop
$765Virgin Atlantic
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Fri, Oct 3 - Tue, Oct 7
KLM Logo
4:15 pm - 4:55 pmORD-BHD
18h 40m1 stop
KLM Logo
6:30 am - 5:45 pmBHD-ORD
17h 15m2 stops
$769KLM
Find Deal
Thu, Sep 25 - Tue, Sep 30
KLM Logo
4:25 pm - 4:50 pmORD-BHD
18h 25m1 stop
KLM Logo
6:30 am - 2:20 pmBHD-ORD
13h 50m1 stop
$815KLM
Find Deal
Wed, Dec 3 - Sun, Dec 7

Delta flights from Chicago O'Hare Intl Airport to Belfast

Our best Delta deals on Chicago O'Hare Intl Airport to Belfast flight tickets
Delta
Dec 3
ORD4:25 pmChicago O'Hare Intl
22h 35m
1 stop
BHD9:00 pmBelfast City
Dec 7
BHD6:30 amBelfast City
21h 01m
2 stops
ORD9:31 pmChicago O'Hare Intl
$775
Find similar
Delta
Oct 3
ORD6:50 pmChicago O'Hare Intl
16h 05m
2 stops
BHD4:55 pmBelfast City
Oct 7
BHD6:30 amBelfast City
16h 52m
2 stops
ORD5:22 pmChicago O'Hare Intl
$777
Find similar
Delta
Oct 3
ORD6:50 pmChicago O'Hare Intl
16h 05m
2 stops
BHD4:55 pmBelfast City
Oct 7
BHD6:30 amBelfast City
16h 52m
2 stops
ORD5:22 pmChicago O'Hare Intl
$778
Find similar

Virgin Atlantic flights from Chicago O'Hare Intl Airport to Belfast

Our best Virgin Atlantic deals on Chicago O'Hare Intl Airport to Belfast flight tickets
Virgin Atlantic
Oct 3
ORD4:15 pmChicago O'Hare Intl
23h 00m
1 stop
BHD9:15 pmBelfast City
Oct 7
BHD6:30 amBelfast City
13h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
$763
Find similar
Virgin Atlantic
Oct 3
ORD4:15 pmChicago O'Hare Intl
23h 00m
1 stop
BHD9:15 pmBelfast City
Oct 7
BHD6:30 amBelfast City
13h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
$765
Find similar
Virgin Atlantic
Oct 3
ORD10:15 amChicago O'Hare Intl
29h 00m
2 stops
BHD9:15 pmBelfast City
Oct 7
BHD6:30 amBelfast City
13h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
$767
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 August 2, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/25

10:35 pm-3:40 pm

1 stop11h 05m

Belfast City

Mon 9/1

7:30 pm-3:45 pm

2 stops26h 15m

$637

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 8/25

8:35 pm-3:40 pm

1 stop13h 05m

Belfast City

Mon 9/1

7:30 pm-11:55 am

1 stop22h 25m

$647

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 11/6

3:08 pm-10:20 am

2 stops13h 12m

Belfast City

Wed 11/12

6:35 am-3:25 pm

1 stop14h 50m

$690

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 10/20

9:15 pm-6:45 pm

1 stop15h 30m

Belfast Intl

Thu 11/6

4:50 pm-3:15 pm

2 stops28h 25m

$699

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 11/6

3:08 pm-10:20 am

2 stops13h 12m

Belfast City

Wed 11/12

6:35 am-5:38 pm

2 stops17h 03m

$700

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 10/20

4:55 pm-1:50 pm

1 stop14h 55m

Belfast Intl

Mon 11/3

6:40 am-9:38 am

2 stops32h 58m

$705

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-9:15 pm

1 stop23h 00m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$763

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/3

4:15 pm-9:15 pm

1 stop23h 00m

Belfast City

Tue 10/7

6:30 am-2:10 pm

1 stop13h 40m

$765

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 9/25

4:15 pm-4:55 pm

1 stop18h 40m

Belfast City

Tue 9/30

6:30 am-5:45 pm

2 stops17h 15m

$769

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 12/3

4:25 pm-4:50 pm

1 stop18h 25m

Belfast City

Sun 12/7

6:30 am-2:20 pm

1 stop13h 50m

$815

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 O'Hare Intl Airport 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 day to depart on your flight to Belfast?

The cheapest day to depart from Chicago O'Hare Intl Airport to Belfast is on a Wednesday when prices can be found for as low as $649. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Belfast for around $938.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Chicago O'Hare Intl Airport to Belfast flights are usually those with departure times in the evening. Our users have found flights to Belfast in the evening for as low as $769. Try not to purchase tickets in the afternoon because they tend to be around $804. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Chicago O'Hare Intl Airport to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Belfast

Best Price Found

$341

Fastest flight time

11h 05m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Chicago O'Hare Intl Airport in the past 72 hours is $341. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belfast found on momondo in the last 72 hours is $637.
The fastest flight from Chicago O'Hare Intl Airport to Belfast takes 11h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Belfast. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Belfast Intl Airport and Chicago O'Hare Intl Airport - Belfast City Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)
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  • How far is Chicago O'Hare Intl to Belfast by plane?

    Belfast is 3642.0 mi away from Chicago O'Hare Intl. Typically, this will take 11h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Belfast?

    Prices for flights from Chicago O'Hare Intl Airport to Belfast were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Belfast?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Belfast.

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

    The necessary travel and health documents for your Belfast 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.

Best airlines flying from Chicago O'Hare Intl Airport to Belfast

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $577Free CancellationRating
6.6
7,224 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Belfast from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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