Cheap flights from Illinois to Belfast Intl Airport from $730
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 Intl Airport departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Belfast Intl 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 Intl Airport?
The cheapest day to depart on your flight to Belfast Intl Airport is on a Wednesday when prices can be found for as low as $649. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Belfast Intl Airport for around $938.
What is the cheapest time of day to depart on your flight to Belfast Intl Airport?
In the evening is the cheapest time of day to fly from Illinois to Belfast Intl Airport when you can find flight prices for as low as $769. Flying to Belfast Intl Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $804.
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
When did momondo last update prices for flights from Illinois to Belfast Intl Airport?
Prices for flights from Illinois to Belfast Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Belfast Intl Airport?
As of April 2025, there are 2 operators available to choose from for flights from Illinois to Belfast Intl Airport.
How old do you have to be to fly from Illinois to Belfast Intl 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 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.
Best airlines flying from Illinois to Belfast Intl Airport
Compare and see reviews for airlines that fly from Illinois to Belfast Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $622 | Free Cancellation | Rating 6.6 6,771 reviews |
Traveling to a place near Belfast?
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Why should I use momondo to find a flight deal from Illinois to Belfast?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Belfast. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Illinois to Belfast with flexible booking policies on momondo?
Flights from Illinois to Belfast 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 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?
Price alerts on flights to Belfast from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.