How long is the flight from Illinois to Belfast City Airport?

A quick flight from Illinois to Belfast City Airport can take about 14h 20m. Delta provides one of the quickest options available for as low as £719. The distance from Illinois to Belfast City Airport is about 3647 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Belfast City Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast City Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast City Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from Illinois to Belfast City Airport?

The most popular route from Illinois to Belfast City Airport is Chicago O'Hare Intl - Belfast City. You may also consider Lambert-St Louis - Belfast City or Chicago Midway - Belfast City.

What is the cheapest time of day to fly from IL to BHD?

When flying from Illinois to Belfast City Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Illinois to Belfast City that include hotel bookings?

Yes. In addition to deals on Illinois to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Illinois to Belfast City?

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

Can I find deals for business class flights from Illinois to Belfast City?

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

£331+ Cheap Flights from Illinois to Belfast City Airport

Cheap flight deals from Illinois to Belfast City

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Illinois to Belfast City
Explore the most affordable flight options available from Illinois to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Tue 27/1019:30 -

2 stops20h 00m

Sun 8/1107:30 -

2 stops15h 50m

Deal found 25/8£664

Sun 27/916:15 -

1 stop11h 05m

Mon 12/1017:30 -

1 stop26h 45m

Deal found 25/8£668

Wed 23/919:05 -

1 stop12h 30m

Wed 30/910:05 -

1 stop11h 50m

Deal found 26/8£685

Sun 27/917:00 -

1 stop11h 30m

Mon 12/1018:30 -

2 stops28h 20m

Deal found 25/8£688

Wed 23/917:55 -

1 stop12h 05m

Wed 30/906:30 -

1 stop14h 25m

Deal found 25/8£694

Mon 21/919:05 -

1 stop11h 50m

Mon 28/919:35 -

1 stop24h 15m

Deal found 24/8£699

Tue 27/1022:50 -

1 stop14h 50m

Sun 8/1117:35 -

1 stop26h 10m

Deal found 25/8£716

Wed 23/913:00 -

2 stops14h 20m

Wed 30/909:50 -

2 stops18h 54m

Deal found 25/8£719

Mon 21/919:01 -

2 stops15h 54m

Mon 28/909:50 -

2 stops18h 54m

Deal found 24/8£796

Sun 27/919:01 -

2 stops15h 54m

Mon 12/1009:50 -

2 stops18h 43m

Deal found 25/8£954

Mon 14/913:19 -

2 stops14h 01m

Fri 25/909:50 -

2 stops18h 54m

Deal found 26/8£974

Mon 14/913:19 -

2 stops14h 01m

Thu 24/909:50 -

2 stops18h 54m

Deal found 26/8£1,066

Best flights from Illinois to Belfast City
Discover carefully curated flight deals from Illinois to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Tue 27/1019:30 -

2 stops20h 00m

Sun 8/1107:30 -

2 stops15h 50m

Deal found 25/8£664

Wed 23/913:00 -

2 stops14h 20m

Wed 30/909:50 -

2 stops18h 54m

Deal found 25/8£719

Sun 11/1020:50 -

1 stop14h 50m

Sun 18/1006:30 -

1 stop12h 00m

Deal found 27/8£732

Mon 21/916:30 -

2 stops17h 00m

Mon 28/909:40 -

2 stops16h 40m

Deal found 24/8£748

Sun 13/916:15 -

1 stop11h 05m

Fri 25/917:30 -

1 stop26h 45m

Deal found 26/8£861

Sun 11/1017:00 -

1 stop11h 30m

Sun 18/1013:10 -

2 stops14h 35m

Deal found 27/8£778

Mon 12/1017:29 -

2 stops17h 26m

Mon 19/1009:50 -

2 stops17h 41m

Deal found 28/8£796

Mon 12/1016:50 -

1 stop18h 05m

Mon 19/1017:30 -

2 stops27h 06m

Deal found 28/8£783

Mon 21/919:01 -

2 stops15h 54m

Mon 28/909:50 -

2 stops18h 54m

Deal found 24/8£796

Mon 21/915:45 -

2 stops14h 10m

Mon 28/907:00 -

3 stops36h 21m

Deal found 24/8£795

Mon 14/913:19 -

2 stops14h 01m

Thu 24/909:50 -

2 stops18h 54m

Deal found 26/8£1,066

Mon 16/1113:15 -

2 stops15h 35m

Wed 18/1117:35 -

2 stops32h 58m

Deal found 23/8£1,093

Sun 27/919:01 -

2 stops15h 54m

Mon 12/1009:50 -

2 stops18h 43m

Deal found 25/8£954

Sun 11/1017:00 -

1 stop11h 30m

Wed 14/1006:30 -

1 stop15h 25m

Deal found 24/8£1,097

Mon 14/913:19 -

2 stops14h 01m

Fri 25/909:50 -

2 stops18h 54m

Deal found 26/8£974

Sun 15/1117:10 -

1 stop11h 35m

Wed 18/1117:35 -

1 stop26h 10m

Deal found 27/8£1,097

Wed 23/922:25 -

3 stops16h 40m

Wed 30/914:20 -

3 stops28h 20m

Deal found 25/8£1,026

Tue 15/919:01 -

2 stops15h 54m

Sat 26/917:30 -

2 stops28h 45m

Deal found 26/8£1,668

Mon 14/919:01 -

2 stops15h 54m

Sat 26/917:30 -

2 stops28h 45m

Deal found 26/8£1,668

Sun 11/1010:01 -

2 stops17h 19m

Sun 18/1009:45 -

2 stops18h 48m

Deal found 27/8£1,610

Mon 12/1013:27 -

2 stops13h 53m

Mon 19/1009:50 -

2 stops18h 43m

Deal found 28/8£10,458

Find flight deals from Illinois to Belfast City

Round-trip from	£649
One-way from	£331

British Airways
10/2-17/2
2 total stops
27h 10m total
Illinois to Belfast

Search Deals

American Airlines
11/10
2 total stops
14h 59m total
Illinois to Belfast

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 27/10

19:30-20:30

2 stops20h 00m

Belfast City

Sun 8/11

07:30-17:20

2 stops15h 50m

£664

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Wed 23/9

13:00-09:20

2 stops14h 20m

Belfast City

Wed 30/9

09:50-22:44

2 stops18h 54m

£719

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 11/10

20:50-17:40

1 stop14h 50m

Belfast City

Sun 18/10

06:30-12:30

1 stop12h 00m

£732

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 21/9

16:30-15:30

2 stops17h 00m

Belfast City

Mon 28/9

09:40-20:20

2 stops16h 40m

£748

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 11/10

17:00-10:30

1 stop11h 30m

Belfast City

Sun 18/10

13:10-21:45

2 stops14h 35m

£778

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 12/10

16:50-16:55

1 stop18h 05m

Belfast City

Mon 19/10

17:30-14:36

2 stops27h 06m

£783

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 21/9

15:45-11:55

2 stops14h 10m

Belfast City

Mon 28/9

07:00-13:21

3 stops36h 21m

£795

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 12/10

17:29-16:55

2 stops17h 26m

Belfast City

Mon 19/10

09:50-21:31

2 stops17h 41m

£796

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Mon 21/9

19:01-16:55

2 stops15h 54m

Belfast City

Mon 28/9

09:50-22:44

2 stops18h 54m

£796

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 13/9

16:15-09:20

1 stop11h 05m

Belfast City

Fri 25/9

17:30-14:15

1 stop26h 45m

£861

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 27 resultsSorted by cheapest first

Best time to book a flight from Illinois to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Illinois with our price prediction graph.

ORD-BHD

MDW-BHD

STL-BHD

Estimated return 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 Illinois to Belfast City Airport

USIL-BHD

ORD-BHD

MDW-BHD

STL-BHD

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

Related info for your journey

How long is the flight from Illinois to Belfast City Airport?
A quick flight from Illinois to Belfast City Airport can take about 14h 20m. Delta provides one of the quickest options available for as low as £719. The distance from Illinois to Belfast City Airport is about 3647 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Illinois to Belfast City Airport?
The most popular route from Illinois to Belfast City Airport is Chicago O'Hare Intl - Belfast City. You may also consider Lambert-St Louis - Belfast City or Chicago Midway - Belfast City.
Can I find deals for flights from Illinois to Belfast City that include hotel bookings?
Yes. In addition to deals on Illinois to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Illinois to Belfast City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Belfast City.
Can I find deals for business class flights from Illinois to Belfast City?
Yes. Cheapflights offers flight deals from Illinois to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights helps you search for flights from Illinois to Belfast City via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Belfast City?

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Can Cheapflights find flights from Illinois to Belfast City with no change fees?

Need flexible booking options for your flight to Belfast City from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Belfast City become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast City from Illinois today and book when prices fit your budget.

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Cheap flights from Illinois to Belfast City Airport from £331

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Belfast City

Cheapest flights from Illinois to Belfast CityExplore the most affordable flight options available from Illinois to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Explore the most affordable flight options available from Illinois to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from Illinois to Belfast CityDiscover carefully curated flight deals from Illinois to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Discover carefully curated flight deals from Illinois to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Illinois to Belfast CityDiscover last-minute flight deals from Illinois to Belfast City. Data last updated 28 August 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Belfast City. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Illinois to Belfast CitySearch for one-way flight options from Illinois to Belfast City. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

Search for one-way flight options from Illinois to Belfast City. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.

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Best time to book a flight from Illinois to Belfast City

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Related info for your journey

How long is the flight from Illinois to Belfast City Airport?

What are the most popular routes from Illinois to Belfast City Airport?

Can I find deals for flights from Illinois to Belfast City that include hotel bookings?

How can I find direct flights from Illinois to Belfast City?

Can I find deals for business class flights from Illinois to Belfast City?

Travelling to a place near Belfast City Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Belfast City

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Other flights to Belfast City

Explore flights to Belfast City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2026.

Complete your trip

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Direct flights to Northern Ireland

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Search flights from Illinois to Belfast City by cabin class

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Illinois and Belfast City flights

Browse other Illinois and Belfast City flight options. Last updated on 28 August 2026.

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Cheapest flights from Illinois to Belfast City
Explore the most affordable flight options available from Illinois to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2026.

Best flights from Illinois to Belfast City
Discover carefully curated flight deals from Illinois to Belfast City that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2026.

Last-minute flights from Illinois to Belfast City
Discover last-minute flight deals from Illinois to Belfast City. Data last updated 28 August 2026 and is based on user searches.

One-way flights from Illinois to Belfast City
Search for one-way flight options from Illinois to Belfast City. Find affordable one-way fares based on user searches. Data last updated 28 August 2026.