Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Illinois to Belfast
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Illinois to Belfast
All return flight deals to Belfast
British Airways flights from Illinois to Belfast
Our best British Airways deals on Illinois to Belfast flight tickets
Delta flights from Illinois to Belfast
Our best Delta deals on Illinois to Belfast flight tickets
See travel insights to Belfast from
How to get the cheapest flight ticket from Illinois to Belfast
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 month to fly to Belfast?
The cheapest month to fly to Belfast from Illinois is in December. Flight prices, which tend to average around £469, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £495.
What is the cheapest time of day to depart on your flight to Belfast?
The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £0. Flights to Belfast are more costly in the afternoon, with an average ticket price of £931. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
Cheap Illinois to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Belfast
When did momondo last update prices for flights from Illinois to Belfast?
Prices for flights from Illinois to Belfast were last updated today.
How old do you have to be to fly from Illinois to Belfast?
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.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
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. All flights to Belfast from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
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?
Of course. momondo tracks the price of Illinois to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.