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Cheap flights from Illinois to Belfast from £335

ORD — BHD
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Belfast

Tue 27/1019:30 -
2 stops19h 40m
Sun 8/1120:40 -
3 stops26h 40m
Deal found 25/8£594
Wed 7/1022:25 -
2 stops16h 45m
Wed 14/1007:35 -
2 stops19h 50m
Deal found 23/8£620
Tue 6/1019:25 -
2 stops18h 15m
Tue 13/1010:30 -
2 stops13h 45m
Deal found 22/8£649
Tue 27/1019:30 -
2 stops20h 00m
Sun 8/1107:30 -
2 stops15h 50m
Deal found 25/8£661
Sun 27/916:15 -
1 stop11h 05m
Mon 12/1017:30 -
1 stop26h 45m
Deal found 25/8£664
Mon 21/919:25 -
2 stops19h 15m
Mon 28/921:35 -
2 stops28h 13m
Deal found 24/8£669
Wed 23/919:05 -
1 stop12h 30m
Wed 30/910:05 -
1 stop11h 50m
Deal found 26/8£681
Tue 13/1019:05 -
1 stop14h 15m
Tue 20/1009:40 -
1 stop14h 35m
Deal found 23/8£683
Sun 27/917:00 -
1 stop11h 30m
Mon 12/1018:30 -
2 stops28h 20m
Deal found 25/8£685
Wed 23/917:55 -
1 stop12h 05m
Wed 30/906:30 -
1 stop14h 25m
Deal found 25/8£690
Mon 21/919:05 -
1 stop11h 50m
Mon 28/919:35 -
1 stop24h 15m
Deal found 24/8£695
Sun 11/1021:15 -
1 stop11h 20m
Mon 19/1018:30 -
1 stop25h 20m
Deal found 23/8£698

Find flight deals from Illinois to Belfast

Round-trip from

£548

One-way from

£335
5/10-12/10
  • 5/10-12/10
  • 3 total stops
  • 27h 00m total
  • Illinois to Belfast
Search Deals
Aer Lingus
  • Aer Lingus
  • 8/9
  • 2 total stops
  • 17h 55m total
  • Illinois to Belfast
Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 19/1

18:30-20:55

2 stops20h 25m

Belfast Intl

Sun 24/1

18:25-17:20

3 stops28h 55m

£649

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£649

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

£661

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 21/9

19:25-20:40

2 stops19h 15m

Belfast Intl

Mon 28/9

21:35-19:48

2 stops28h 13m

£669

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Fri 9/10

15:45-16:30

2 stops18h 45m

Belfast Intl

Fri 16/10

06:05-20:41

3 stops20h 36m

£681

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sat 10/10

19:15-22:15

2 stops21h 00m

Belfast Intl

Sat 17/10

10:10-16:10

3 stops36h 00m

£703

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 11/10

16:15-09:20

1 stop11h 05m

Belfast City

Fri 23/10

09:50-21:31

2 stops17h 41m

£712

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Tue 13/10

13:27-09:20

2 stops13h 53m

Belfast City

Wed 21/10

09:50-22:33

2 stops18h 43m

£716

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

£716

ChicagoBelfast

MDW Chicago Midway - BHD Belfast City

MDWBHD

Chicago Midway

Tue 19/1

10:35-09:10

2 stops16h 35m

Belfast City

Sun 24/1

09:40-22:10

2 stops18h 30m

£719

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 35 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Belfast

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Belfast

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?

    For as low as £712, Delta can have you in Belfast from Illinois in 11h 05m. Airlines will cover a distance of 3644 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Illinois to Belfast?

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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

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Deals for Illinois to Belfast flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Cheapflights helps you find that perfect flight to Belfast from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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Yes! Start tracking prices for Illinois to Belfast flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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