How do I get Price Alerts for flights from Illinois to Belfast Intl Airport?

Confirm your travel details to search for the latest offers for flights from Illinois to Belfast Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Illinois to Belfast Intl Airport with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Prices for flights from Illinois to Belfast Intl Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Belfast Intl Airport.

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

The travel and health documents you'll need for your trip to Belfast Intl 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 Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£267 Cheap Flights from Illinois to Belfast Intl Airport in 2026

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0 bags

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Find the cheapest flights from Illinois to Belfast

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:52 - 18:55

ORD

BFS

28h 03m

3 stops

21:15 - 19:25

BFS

ORD

28h 10m

2 stops

£700Multiple Airlines

Thu, 11 Jun - Tue, 16 Jun

16:37 - 16:30

ORD

BFS

17h 53m

2 stops

21:55 - 11:21

BFS

ORD

43h 26m

3 stops

£719Multiple Airlines

Fri, 12 Jun - Mon, 15 Jun

09:55 - 18:55

ORD

BFS

27h 00m

2 stops

21:15 - 19:25

BFS

ORD

28h 10m

2 stops

£726Multiple Airlines

Thu, 11 Jun - Tue, 16 Jun

08:52 - 18:55

ORD

BFS

28h 03m

3 stops

07:35 - 04:54

BFS

ORD

27h 19m

3 stops

£729Multiple Airlines

Thu, 11 Jun - Tue, 16 Jun

16:37 - 18:55

ORD

BFS

20h 18m

2 stops

06:10 - 22:05

BFS

ORD

45h 55m

3 stops

£731Multiple Airlines

Thu, 11 Jun - Thu, 18 Jun

08:50 - 20:55

ORD

BFS

30h 05m

2 stops

09:55 - 11:21

BFS

ORD

31h 26m

3 stops

£813Multiple Airlines

Sun, 14 Jun - Sun, 21 Jun

09:50 - 22:15

ORD

BFS

30h 25m

2 stops

06:30 - 22:05

BFS

ORD

21h 35m

2 stops

£825Multiple Airlines

Tue, 7 Jul - Mon, 20 Jul

19:25 - 23:20

ORD

BFS

21h 55m

3 stops

20:35 - 22:05

BFS

ORD

31h 30m

3 stops

£832Multiple Airlines

Tue, 7 Jul - Mon, 20 Jul

16:37 - 18:55

ORD

BFS

20h 18m

2 stops

06:10 - 15:50

BFS

ORD

15h 40m

2 stops

£833Multiple Airlines

Thu, 11 Jun - Thu, 18 Jun

16:37 - 16:30

ORD

BFS

17h 53m

2 stops

06:30 - 16:59

BFS

ORD

16h 29m

2 stops

£834Multiple Airlines

Fri, 12 Jun - Mon, 15 Jun

momondo 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 - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

08:52-18:55

3 stops28h 03m

Belfast Intl

Tue 16/6

21:15-19:25

2 stops28h 10m

£700

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 12/6

16:37-16:30

2 stops17h 53m

Belfast Intl

Mon 15/6

21:55-11:21

3 stops43h 26m

£719

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

09:55-18:55

2 stops27h 00m

Belfast Intl

Tue 16/6

21:15-19:25

2 stops28h 10m

£726

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

08:52-18:55

3 stops28h 03m

Belfast Intl

Tue 16/6

07:35-04:54

3 stops27h 19m

£729

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

16:37-18:55

2 stops20h 18m

Belfast Intl

Thu 18/6

06:10-22:05

3 stops45h 55m

£731

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 14/6

08:50-20:55

2 stops30h 05m

Belfast Intl

Sun 21/6

09:55-11:21

3 stops31h 26m

£813

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 7/7

09:50-22:15

2 stops30h 25m

Belfast Intl

Mon 20/7

06:30-22:05

2 stops21h 35m

£825

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 7/7

19:25-23:20

3 stops21h 55m

Belfast Intl

Mon 20/7

20:35-22:05

3 stops31h 30m

£832

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

16:37-18:55

2 stops20h 18m

Belfast Intl

Thu 18/6

06:10-15:50

2 stops15h 40m

£833

Fastest return journey

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 12/6

16:37-16:30

2 stops17h 53m

Belfast Intl

Mon 15/6

06:30-16:59

2 stops16h 29m

£834

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

Cheap Illinois to Belfast Intl Airport flight deals and tips

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

Fastest flight time	11h 05m
Direct flights	None

The fastest flight from Illinois to Belfast Intl Airport takes 11h 05m

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

Search flight deals

Frequently asked questions about flying from Illinois to Belfast Intl Airport

When did momondo last update prices for flights from Illinois to Belfast Intl Airport?
Prices for flights from Illinois to Belfast Intl Airport were last updated today.
How old do you have to be to fly from Illinois to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl 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 Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Illinois to Belfast Intl Airport

How do I get Price Alerts for flights from Illinois to Belfast Intl Airport?
Confirm your travel details to search for the latest offers for flights from Illinois to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Illinois to Belfast Intl Airport with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Illinois to Belfast flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Illinois and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Belfast from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.