Find flights
When to book
FAQs

Cheap flights from Illinois to Belfast Intl Airport from £590

ORD — BFS
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Belfast Intl

Mon 5/1019:25 -
3 stops42h 25m
Mon 12/1012:45 -
3 stops36h 30m
Deal found 21/8£590
Tue 6/1019:25 -
2 stops18h 15m
Tue 13/1010:30 -
2 stops13h 45m
Deal found 22/8£648
Sun 4/1019:25 -
2 stops20h 25m
Sun 11/1007:10 -
2 stops20h 15m
Deal found 20/8£658
Mon 14/919:25 -
2 stops14h 50m
Tue 29/906:40 -
3 stops39h 20m
Deal found 18/8£684
Sat 3/1015:54 -
2 stops15h 41m
Sat 10/1008:30 -
2 stops21h 24m
Deal found 19/8£1,025
Sun 4/1015:30 -
2 stops24h 20m
Sun 11/1022:05 -
2 stops21h 55m
Deal found 20/8£1,072
Fri 11/908:55 -
3 stops30h 20m
Fri 25/906:05 -
3 stops37h 55m
Deal found 19/8£1,158

Find flight deals from Illinois to Belfast Intl

Round-trip from

£590
5/10-12/10
  • 5/10-12/10
  • 6 total stops
  • 78h 55m total
  • Illinois to Belfast
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 5/10

19:25-19:50

3 stops42h 25m

Belfast Intl

Mon 12/10

12:45-19:15

3 stops36h 30m

£590
Fastest return journey

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

£648

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-21:50

2 stops20h 25m

Belfast Intl

Sun 11/10

07:10-21:25

2 stops20h 15m

£658

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 14/9

19:25-16:15

2 stops14h 50m

Belfast Intl

Tue 29/9

06:40-16:00

3 stops39h 20m

£684

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Fri 20/11

11:36-14:15

3 stops20h 39m

Belfast Intl

Sun 29/11

21:15-18:25

3 stops27h 10m

£821

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Sat 3/10

15:54-13:35

2 stops15h 41m

Belfast Intl

Sat 10/10

08:30-23:54

2 stops21h 24m

£1,025

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Sun 4/10

15:30-21:50

2 stops24h 20m

Belfast Intl

Sun 11/10

22:05-14:00

2 stops21h 55m

£1,072

St. LouisBelfast

STL Lambert-St Louis - BFS Belfast Intl

STLBFS

Lambert-St Louis

Fri 11/9

08:55-21:15

3 stops30h 20m

Belfast Intl

Fri 25/9

06:05-14:00

3 stops37h 55m

£1,158

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Sorted by cheapest first

Best time to book a flight from Illinois to Belfast Intl

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

Cheapflights Insights

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

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

Related info for your journey

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

    While some choose either Lambert-St Louis - Belfast Intl or Chicago Midway - Belfast Intl, Chicago O'Hare Intl - Belfast Intl is the most popular route from Illinois to Belfast Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Belfast Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Belfast Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Illinois to Belfast Intl with no change fees.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.