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

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

How many operators does momondo search for flights from Belfast to Illinois?

There is 1 operator available for flights from Belfast to Illinois as of October 2025.

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

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 Belfast to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£623 Cheap Flights from Belfast to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Belfast to Illinois

Round-trip

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Cheap return flights

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11:05 - 13:50BHD-ORD

32h 45m1 stop

21:45 - 14:15ORD-BHD

11h 30m1 stop

£623American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

06:35 - 17:26BHD-ORD

16h 51m2 stops

14:36 - 10:40ORD-BHD

15h 04m2 stops

£627American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

American Airlines flights from Belfast to Illinois

Our best American Airlines deals on Belfast to Illinois flight tickets

American Airlines

5 Mar

BHD11:05Belfast City

32h 45m

1 stop

ORD13:50Chicago O'Hare Intl

9 Mar

ORD21:45Chicago O'Hare Intl

11h 30m

1 stop

BHD14:15Belfast City

£623

Find similar

American Airlines

5 Mar

BHD06:35Belfast City

16h 51m

2 stops

ORD17:26Chicago O'Hare Intl

9 Mar

ORD14:36Chicago O'Hare Intl

15h 04m

2 stops

BHD10:40Belfast City

£627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

11:05-13:50

1 stop32h 45m

Chicago O'Hare Intl

Mon 9/3

21:45-14:15

1 stop11h 30m

£623

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

06:35-17:26

2 stops16h 51m

Chicago O'Hare Intl

Mon 9/3

14:36-10:40

2 stops15h 04m

£627

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Belfast to Illinois

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 Illinois?

The cheapest day to depart on your flight to Illinois is on a Friday when prices can be found for as low as £595. This is often the case because there is less demand to fly during this day of the week. Flights from Belfast to Illinois on a Saturday will generally be more expensive and average around £830. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Belfast to Illinois flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Belfast to Illinois?
Prices for flights from Belfast to Illinois were last updated today.
How many operators does momondo search for flights from Belfast to Illinois?
There is 1 operator available for flights from Belfast to Illinois as of October 2025.
How old do you have to be to fly from Belfast to Illinois?
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 Belfast to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Illinois

Compare and see reviews for airlines that fly from Belfast to Illinois with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £488	Free Cancellation	Rating 6.7 7,481 reviews		Search British Airways flights

Why use momondo?

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

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 Illinois from Belfast.

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

Flights from Belfast to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Illinois from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Belfast and alert you when they change.