Cheap flights from Illinois to Northern Ireland from $427
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Northern Ireland departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 Northern Ireland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Illinois to Northern Ireland
Our best Delta deals on Illinois to Northern Ireland flight tickets
KLM flights from Illinois to Northern Ireland
Our best KLM deals on Illinois to Northern Ireland flight tickets
See travel insights to Northern Ireland from
How to get the cheapest flight ticket from Illinois to Northern Ireland
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 Northern Ireland?
The cheapest day to depart on your flight to Northern Ireland is on a Sunday when prices can be found for as low as $718. 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 Northern Ireland for around $853.
What is the cheapest time of day to depart on your flight to Northern Ireland?
In the evening is the cheapest time of day to fly from Illinois to Northern Ireland when you can find flight prices for as low as $751. Flying to Northern Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $782.
Cheap Illinois to Northern Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Northern Ireland
Best Price Found | $427 |
|---|---|
Fastest flight time | 10h 40m |
Direct flights | None |
Airports in Northern Ireland | 2 airports |
When did momondo last update prices for flights from Illinois to Northern Ireland?
Prices for flights from Illinois to Northern Ireland were last updated today.
How many operators does momondo search for flights from Illinois to Northern Ireland?
There are 2 operators available for flights from Illinois to Northern Ireland as of April 2025.
How old do you have to be to fly from Illinois to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland 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 Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Illinois to Northern Ireland
Compare and see reviews for airlines that fly from Illinois to Northern Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $622 | Free Cancellation | Rating 6.6 6,767 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Northern Ireland?
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 Northern Ireland from Illinois.
Can I find flights from Illinois to Northern Ireland with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Northern Ireland flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Northern Ireland?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Northern Ireland from Illinois.
I’m not ready to book a flight from Illinois to Northern Ireland right now. Can momondo alert me if prices change?
Price alerts on flights to Northern Ireland 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.