When did momondo last update prices for flights from Illinois to Belfast City Airport?

Prices for flights from Illinois to Belfast City Airport are refreshed on a daily basis.

How old do you have to be to fly from Illinois to Belfast City Airport?

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 Illinois to Belfast City Airport.

What documentation or ID do you need to fly to Belfast City Airport?

The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$632 Cheap Flights from Illinois to Belfast City Airport in 2025/26

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Find the cheapest flights from Illinois to Belfast

Round-trip

One-way

Last minute

Cheap round-trip flights

9:45 pm - 5:15 pmORD-BHD

13h 30m1 stop

10:00 am - 6:45 pmBHD-ORD

14h 45m1 stop

$632British Airways

Find Deal

Fri, Dec 5 - Tue, Dec 9

6:10 pm - 6:50 pmORD-BHD

19h 40m1 stop

2:50 pm - 1:50 pmBHD-ORD

29h 00m1 stop

$641British Airways

Find Deal

Thu, Oct 30 - Mon, Nov 10

6:10 pm - 2:15 pmORD-BHD

15h 05m1 stop

5:30 am - 5:38 pmBHD-ORD

17h 08m2 stops

$642

Find Deal

Mon, Oct 27 - Sun, Nov 2

9:45 pm - 2:15 pmORD-BHD

11h 30m1 stop

10:40 am - 5:00 pmBHD-ORD

12h 20m1 stop

$655American Airlines

Find Deal

Mon, Oct 27 - Sun, Nov 2

6:10 pm - 4:40 pmORD-BHD

17h 30m1 stop

5:30 am - 5:45 pmBHD-ORD

17h 15m2 stops

$702

Find Deal

Thu, Oct 30 - Sun, Nov 2

4:15 pm - 9:15 pmORD-BHD

23h 00m1 stop

6:30 am - 2:10 pmBHD-ORD

13h 40m1 stop

$722Delta

Find Deal

Fri, Oct 3 - Tue, Oct 7

4:15 pm - 9:15 pmORD-BHD

23h 00m1 stop

6:30 am - 5:22 pmBHD-ORD

16h 52m2 stops

$732Delta

Find Deal

Fri, Oct 3 - Tue, Oct 7

5:11 pm - 2:15 pmORD-BHD

16h 04m2 stops

6:35 am - 5:52 pmBHD-ORD

17h 17m2 stops

$744American Airlines

Find Deal

Fri, Oct 31 - Mon, Nov 10

9:35 am - 9:15 pmMDW-BHD

29h 40m2 stops

5:25 pm - 6:25 pmBHD-MDW

31h 00m2 stops

$792Virgin Atlantic

Find Deal

Fri, Oct 17 - Tue, Oct 21

11:51 am - 4:50 pmSTL-BHD

22h 59m2 stops

6:30 am - 4:50 pmBHD-STL

16h 20m2 stops

$801Virgin Atlantic

Find Deal

Sun, Mar 1 - Thu, Mar 5

American Airlines flights from Illinois to Belfast City Airport

Our best American Airlines deals on Illinois to Belfast City Airport flight tickets

American Airlines

Oct 27

ORD9:45 pmChicago O'Hare Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

Nov 2

BHD10:40 amBelfast City

12h 20m

1 stop

ORD5:00 pmChicago O'Hare Intl

$655

Find similar

American Airlines

Sep 29

STL7:59 pmLambert-St Louis

15h 31m

2 stops

BHD5:30 pmBelfast City

Oct 7

BHD9:35 amBelfast City

17h 54m

2 stops

STL9:29 pmLambert-St Louis

$706

Find similar

American Airlines

Oct 31

ORD5:11 pmChicago O'Hare Intl

16h 04m

2 stops

BHD2:15 pmBelfast City

Nov 10

BHD6:35 amBelfast City

17h 17m

2 stops

ORD5:52 pmChicago O'Hare Intl

$744

Find similar

KLM flights from Illinois to Belfast City Airport

Our best KLM deals on Illinois to Belfast City Airport flight tickets

KLM

Sep 17

ORD4:40 pmChicago O'Hare Intl

22h 35m

1 stop

BHD9:15 pmBelfast City

Sep 24

BHD6:30 amBelfast City

14h 10m

1 stop

ORD2:40 pmChicago O'Hare Intl

$857

Find similar

KLM

Sep 17

ORD4:40 pmChicago O'Hare Intl

22h 35m

1 stop

BHD9:15 pmBelfast City

Sep 24

BHD6:30 amBelfast City

17h 15m

2 stops

ORD5:45 pmChicago O'Hare Intl

$867

Find similar

KLM

Oct 16

ORD6:59 pmChicago O'Hare Intl

15h 56m

2 stops

BHD4:55 pmBelfast City

Oct 25

BHD5:25 pmBelfast City

27h 55m

1 stop

ORD3:20 pmChicago O'Hare Intl

$872

Find similar

momondo 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

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 12/5

9:45 pm-5:15 pm

1 stop13h 30m

Belfast City

Tue 12/9

10:00 am-6:45 pm

1 stop14h 45m

$632

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/30

6:10 pm-6:50 pm

1 stop19h 40m

Belfast City

Mon 11/10

2:50 pm-1:50 pm

1 stop29h 00m

$641

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/27

6:10 pm-2:15 pm

1 stop15h 05m

Belfast City

Sun 11/2

5:30 am-5:38 pm

2 stops17h 08m

$642

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 10/27

9:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Sun 11/2

10:40 am-5:00 pm

1 stop12h 20m

$655

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 10/30

6:10 pm-4:40 pm

1 stop17h 30m

Belfast City

Sun 11/2

5:30 am-5:45 pm

2 stops17h 15m

$702

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

$722

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-5:22 pm

2 stops16h 52m

$732

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 10/31

5:11 pm-2:15 pm

2 stops16h 04m

Belfast City

Mon 11/10

6:35 am-5:52 pm

2 stops17h 17m

$744

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 10/17

9:35 am-9:15 pm

2 stops29h 40m

Belfast City

Tue 10/21

5:25 pm-6:25 pm

2 stops31h 00m

$792

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 3/1

11:51 am-4:50 pm

2 stops22h 59m

Belfast City

Thu 3/5

6:30 am-4:50 pm

2 stops16h 20m

$801

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Illinois to Belfast City Airport

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 City Airport?

On average, the least expensive day to fly to Belfast City Airport from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $625. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $782.

Cheap Illinois to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Belfast City Airport

Direct flights	None

There are no direct flights from Illinois to Belfast City Airport. There are no popular flight routes from Illinois to Belfast City Airport.

Search flight deals

When did momondo last update prices for flights from Illinois to Belfast City Airport?
Prices for flights from Illinois to Belfast City Airport are refreshed on a daily basis.
How old do you have to be to fly from Illinois to Belfast City Airport?
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 Illinois to Belfast City Airport.
What documentation or ID do you need to fly to Belfast City Airport?
The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Newcastle

Bangor

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Illinois.

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

All flight searches from Illinois to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Belfast.

I’m not ready to book a flight from Illinois to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast City Airport trip

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Cheap flights from Illinois to Belfast from $632

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Belfast departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Belfast

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

American Airlines flights from Illinois to Belfast City Airport

Our best American Airlines deals on Illinois to Belfast City Airport flight tickets

KLM flights from Illinois to Belfast City Airport

Our best KLM deals on Illinois to Belfast City Airport flight tickets

momondo Fare Finder

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

See travel insights to Belfast from

How to get the cheapest flight ticket from Illinois to Belfast City Airport

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 City Airport?

Cheap Illinois to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Belfast City Airport

Direct flights

When did momondo last update prices for flights from Illinois to Belfast City Airport?

How old do you have to be to fly from Illinois to Belfast City Airport?

What documentation or ID do you need to fly to Belfast City Airport?

Traveling to a place near Belfast?

Why use momondo?

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

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

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

I’m not ready to book a flight from Illinois to Belfast right now. Can momondo alert me if prices change?

An easier way to manage your Belfast City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo