Cheap flights from Knoxville to Ireland from $349
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Ireland departing on 9/1. 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 Knoxville to Ireland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
British Airways flights from Knoxville to Ireland
Our best British Airways deals on Knoxville to Ireland flight tickets
United Airlines flights from Knoxville to Ireland
Our best United Airlines deals on Knoxville to Ireland flight tickets
See travel insights to Ireland from
How to get the cheapest flight ticket from Knoxville to 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 month to fly to Ireland?
In general, February is the cheapest month to fly from Knoxville to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $700.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $818. This is often the case because there is less demand to fly during this day of the week. Flights from Knoxville to Ireland on a Saturday will generally be more expensive and average around $1,241. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Knoxville to Ireland in the evening for as low as $822. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $1,054.
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from Knoxville when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $889 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Knoxville for as low as $623 on momondo.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Ireland?
British Airways, American Airlines, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Ireland
What airlines fly to Ireland?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ireland from Knoxville according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
Cheap Knoxville to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Ireland
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Ireland?
Prices for flights from Knoxville McGhee Tyson Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Ireland?
As of June 2025, there are 3 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Ireland.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Ireland?
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 Knoxville McGhee Tyson Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Knoxville to Ireland
Compare and see reviews for airlines that fly from Knoxville to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $479 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $518 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $573 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Knoxville to Ireland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Ireland for you.
Can I find flights from Knoxville to Ireland with flexible booking policies on momondo?
All flight searches from Knoxville to Ireland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Knoxville to Ireland?
momondo helps you find the best flight between Knoxville and Ireland 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 Knoxville to Ireland right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Knoxville to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.