How long is the flight from Chicago O'Hare Intl Airport to Belfast?

British Airways and Virgin Atlantic can get you from Chicago O'Hare Intl Airport to Belfast in just under 15h 42m. Your travel time can differ by up to 8h 03m. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.

What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Belfast round-trip?

Currently priced at $577, British Airways will fly you from Chicago O'Hare Intl Airport to Belfast and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. You may be able to fly from Chicago O'Hare Intl Airport to Belfast for 20% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Belfast ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast when rainfall is around 2.0 in.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from ORD to BFS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Belfast as you normally would.

Can I find deals for flights from O'Hare Intl to Belfast that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Belfast?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast.

Can I find deals for business class flights from O'Hare Intl to Belfast?

Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$255+ Flights from Chicago O'Hare Intl Airport to Belfast

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Cheap flight deals from O'Hare Intl to Belfast

Cheapest flights from O'Hare Intl to Belfast
Explore the most affordable flight options available from O'Hare Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Tue 12/308:20 pmORD - BHD

2 stops31h 55mBritish Airways

Mon 1/57:25 pmBHD - ORD

2 stops28h 22mBritish Airways

Deal found 12/14

$1,288

Thu 12/188:40 pmORD - BHD

1 stop11h 20mBritish Airways

Sun 12/2112:10 pmBHD - ORD

2 stops25h 09mBritish Airways

Deal found 12/15

$1,326

Tue 12/306:30 pmORD - BHD

1 stop11h 00mMultiple Airlines

Mon 1/57:25 pmBHD - ORD

1 stop26h 00mMultiple Airlines

Deal found 12/15

$1,655

Thu 12/187:40 pmORD - BFS

2 stops20h 20mMultiple Airlines

Sun 12/217:25 amBFS - ORD

2 stops18h 35mMultiple Airlines

Deal found 12/15

$1,739

Thu 12/186:30 pmORD - BHD

1 stop13h 30mAmerican Airlines

Sun 12/216:30 amBHD - ORD

1 stop18h 15mAmerican Airlines

Deal found 12/15

$1,750

Wed 12/177:40 pmORD - BHD

2 stops12h 25mMultiple Airlines

Fri 12/196:45 amBHD - ORD

1 stop14h 40mMultiple Airlines

Deal found 12/13

$1,835

Wed 12/177:40 pmORD - BFS

2 stops13h 50mMultiple Airlines

Fri 12/192:40 pmBFS - ORD

1 stop29h 20mMultiple Airlines

Deal found 12/13

$2,647

Best flights from O'Hare Intl to Belfast
Discover carefully curated flight deals from O'Hare Intl to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Fri 1/306:30 pmORD - BFS

2 stops21h 30mMultiple Airlines

Fri 2/68:05 amBFS - ORD

2 stops15h 15mMultiple Airlines

Deal found 12/16

$605

Mon 1/124:33 pmORD - BHD

2 stops15h 42mBritish Airways

Mon 1/192:40 pmBHD - ORD

2 stops35h 24mBritish Airways

Deal found 12/15

$640

Sun 1/1811:05 amORD - BHD

2 stops23h 45mVirgin Atlantic

Mon 2/25:20 pmBHD - ORD

2 stops30h 25mVirgin Atlantic

Deal found 12/16

$671

Sun 1/188:45 pmORD - BHD

1 stop11h 10mAmerican Airlines

Sun 1/256:30 amBHD - ORD

1 stop14h 55mAmerican Airlines

Deal found 12/15

$693

Sun 1/186:30 pmORD - BFS

2 stops18h 25mMultiple Airlines

Mon 2/210:20 pmBFS - ORD

3 stops46h 40mMultiple Airlines

Deal found 12/16

$628

Sun 1/184:14 pmORD - BHD

2 stops15h 41mBritish Airways

Mon 2/25:45 pmBHD - ORD

1 stop26h 05mBritish Airways

Deal found 12/16

$664

Wed 1/286:30 pmORD - BFS

2 stops20h 20mMultiple Airlines

Wed 2/47:20 amBFS - ORD

2 stops16h 00mMultiple Airlines

Deal found 12/14

$630

Sun 1/184:14 pmORD - BHD

2 stops15h 41mBritish Airways

Sun 1/255:35 pmBHD - ORD

1 stop26h 15mBritish Airways

Deal found 12/16

$690

Mon 1/126:30 pmORD - BFS

2 stops19h 45mMultiple Airlines

Mon 1/1910:20 pmBFS - ORD

3 stops46h 40mMultiple Airlines

Deal found 12/15

$656

Wed 2/119:45 pmORD - BHD

1 stop12h 50mBritish Airways

Sun 2/153:10 pmBHD - ORD

1 stop28h 40mBritish Airways

Deal found 12/13

$704

Wed 2/259:45 pmORD - BHD

1 stop12h 50mBritish Airways

Sun 3/16:30 amBHD - ORD

1 stop18h 15mBritish Airways

Deal found 12/13

$704

Thu 3/1212:50 pmORD - BFS

3 stops26h 35mMultiple Airlines

Thu 3/199:40 amBFS - ORD

3 stops35h 45mMultiple Airlines

Deal found 12/16

$782

Last-minute flights from O'Hare Intl to Belfast
Discover last-minute flight deals from O'Hare Intl to Belfast. Data last updated December 16, 2025 and is based on user searches.

Tue 12/308:20 pmORD - BHD

2 stops31h 55mBritish Airways

Mon 1/57:25 pmBHD - ORD

2 stops28h 22mBritish Airways

Deal found 12/14

$1,288

Mon 1/124:33 pmORD - BHD

2 stops17h 32mBritish Airways

Mon 1/192:40 pmBHD - ORD

1 stop29h 10mBritish Airways

Deal found 12/15

$640

Mon 1/126:30 pmORD - BFS

2 stops19h 45mMultiple Airlines

Mon 1/1910:20 pmBFS - ORD

3 stops46h 40mMultiple Airlines

Deal found 12/15

$656

Mon 1/1212:50 pmORD - BHD

3 stops22h 30mMultiple Airlines

Mon 1/197:00 amBHD - ORD

3 stops18h 45mMultiple Airlines

Deal found 12/15

$772

Sun 1/186:30 pmORD - BFS

2 stops18h 25mMultiple Airlines

Mon 2/210:20 pmBFS - ORD

3 stops46h 40mMultiple Airlines

Deal found 12/16

$628

Sun 1/184:14 pmORD - BHD

2 stops15h 41mBritish Airways

Mon 2/25:45 pmBHD - ORD

1 stop26h 05mBritish Airways

Deal found 12/16

$664

Sun 1/1811:05 amORD - BHD

2 stops23h 45mVirgin Atlantic

Mon 2/25:20 pmBHD - ORD

2 stops30h 25mVirgin Atlantic

Deal found 12/16

$671

Sun 1/1811:40 amORD - BHD

2 stops16h 40mBritish Airways

Sun 1/259:10 amBHD - ORD

2 stops16h 54mBritish Airways

Deal found 12/15

$690

Sun 1/186:25 pmORD - BHD

1 stop13h 30mAmerican Airlines

Sun 1/259:10 amBHD - ORD

1 stop13h 50mAmerican Airlines

Deal found 12/16

$692

Sun 1/186:30 pmORD - BHD

2 stops13h 20mMultiple Airlines

Mon 2/25:20 pmBHD - ORD

3 stops31h 05mMultiple Airlines

Deal found 12/16

$945

Wed 1/286:30 pmORD - BFS

2 stops20h 20mMultiple Airlines

Wed 2/47:20 amBFS - ORD

2 stops16h 00mMultiple Airlines

Deal found 12/14

$630

Fri 1/306:30 pmORD - BFS

2 stops21h 30mMultiple Airlines

Fri 2/68:05 amBFS - ORD

2 stops15h 15mMultiple Airlines

Deal found 12/16

$605

One-way flights from O'Hare Intl to Belfast
Search for one-way flight options from O'Hare Intl to Belfast. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Wed 1/146:30 pmORD - BFS

2 stops15h 40mMultiple Airlines

Deal found 12/16

$255

Sun 12/214:25 pmORD - BHD

1 stop22h 35mVirgin Atlantic

Deal found 12/16

$2,293

Sun 12/2112:55 pmORD - BHD

3 stops38h 50mMultiple Airlines

Deal found 12/16

$2,555

Sun 12/214:06 pmORD - BHD

2 stops15h 49mBritish Airways

Deal found 12/16

$2,602

Find flight deals from O'Hare Intl to Belfast

Round-trip from	$630 (Mytrip)
One-way from	$255 (Mytrip)
Popular in	June
Cheapest in	May
Average price	$697

From Chicago O'Hare Intl to Belfast

Search Deals

One-way flight from Chicago O'Hare Intl to Belfast

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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 - BFS

ORDBFS

Chicago O'Hare Intl

Fri 1/30

6:30 pm-10:00 pm

2 stops21h 30m

Belfast Intl

Fri 2/6

8:05 am-5:20 pm

2 stops15h 15m

$605

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 1/18

6:30 pm-6:55 pm

2 stops18h 25m

Belfast Intl

Mon 2/2

10:20 pm-3:00 pm

3 stops46h 40m

$628

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 1/28

6:30 pm-8:50 pm

2 stops20h 20m

Belfast Intl

Wed 2/4

7:20 am-5:20 pm

2 stops16h 00m

$630

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 1/12

4:33 pm-2:15 pm

2 stops15h 42m

Belfast City

Mon 1/19

2:40 pm-8:04 pm

2 stops35h 24m

$640

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 1/12

6:30 pm-8:15 pm

2 stops19h 45m

Belfast Intl

Mon 1/19

10:20 pm-3:00 pm

3 stops46h 40m

$656

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

4:14 pm-1:55 pm

2 stops15h 41m

Belfast City

Mon 2/2

5:45 pm-1:50 pm

1 stop26h 05m

$664

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

11:05 am-4:50 pm

2 stops23h 45m

Belfast City

Mon 2/2

5:20 pm-5:45 pm

2 stops30h 25m

$671

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

4:14 pm-1:55 pm

2 stops15h 41m

Belfast City

Sun 1/25

5:35 pm-1:50 pm

1 stop26h 15m

$690

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

8:45 pm-1:55 pm

1 stop11h 10m

Belfast City

Sun 1/25

6:30 am-3:25 pm

1 stop14h 55m

$693

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 2/11

9:45 pm-4:35 pm

1 stop12h 50m

Belfast City

Sun 2/15

3:10 pm-1:50 pm

1 stop28h 40m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 results

Best time to book a flight from O'Hare Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from O'Hare Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Belfast

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Belfast

Read reviews from past customers who have flown British Airways from Chicago O'Hare Intl Airport to Belfast. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

British Airways

6.7

Okay

7,580 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

British Airways

6.7

Okay

7,580 reviews

British Airways

6.7

Okay

7,580 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Belfast?
British Airways and Virgin Atlantic can get you from Chicago O'Hare Intl Airport to Belfast in just under 15h 42m. Your travel time can differ by up to 8h 03m. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Belfast round-trip?
Currently priced at $577, British Airways will fly you from Chicago O'Hare Intl Airport to Belfast and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. You may be able to fly from Chicago O'Hare Intl Airport to Belfast for 20% less than the average price by searching for this airline.
Can I find deals for flights from O'Hare Intl to Belfast that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Belfast.
Can I find deals for business class flights from O'Hare Intl to Belfast?
Yes. Cheapflights offers flight deals from O'Hare Intl to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Belfast

O'Hare Intl to Belfast Intl flights

O'Hare Intl to Belfast City flights

Midway to Belfast City flights

Top airline flying from O'Hare Intl to Belfast

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$577	Average$705	FlexibilityNo cancel fee	On-time70%

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$255+ Cheap flights from O'Hare Intl (ORD) to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to Belfast with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from O'Hare Intl to Belfast

Cheapest flights from O'Hare Intl to BelfastExplore the most affordable flight options available from O'Hare Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from O'Hare Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from O'Hare Intl to Belfast

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belfast that are best for you.

Best time to book a flight from O'Hare Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Belfast

Reviews of airlines servicing Belfast

Read reviews from past customers who have flown British Airways from Chicago O'Hare Intl Airport to Belfast. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Chicago O'Hare Intl Airport to Belfast?

What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Belfast round-trip?

Can I find deals for flights from O'Hare Intl to Belfast that include hotel bookings?

How can I find direct flights from O'Hare Intl to Belfast?

Can I find deals for business class flights from O'Hare Intl to Belfast?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from O'Hare Intl to Belfast

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Book with Flexibility

Travel Smart

Cheapest flights from O'Hare Intl to Belfast
Explore the most affordable flight options available from O'Hare Intl to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.