HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Leonardo da Vinci/Fiumicino

$357+ Cheap flights from Knoxville (TYS) to Fiumicino (FCO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FCO
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Leonardo da Vinci/Fiumicino with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Leonardo da Vinci/Fiumicino

Cheapest flights from Knoxville to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Knoxville to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:30 am
TYS
-
FCO
2 stops18h 00m
United Airlines
Wed 12/97:05 am
FCO
-
TYS
2 stops19h 49m
United Airlines
Deal found 7/26$792
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:35 pm
TYS
-
FCO
2 stops16h 40m
Lufthansa
Fri 11/277:05 am
FCO
-
TYS
2 stops19h 49m
Lufthansa
Deal found 7/26$824
This Orbitz deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:13 pm
TYS
-
FCO
2 stops16h 42m
Multiple Airlines
Sat 10/317:00 pm
FCO
-
TYS
2 stops34h 47m
Multiple Airlines
Deal found 7/25$825
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:51 pm
TYS
-
FCO
1 stop11h 54m
United Airlines
Fri 11/277:05 am
FCO
-
TYS
2 stops19h 49m
United Airlines
Deal found 7/24$842
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:45 am
TYS
-
FCO
1 stop19h 00m
United Airlines
Tue 11/1011:15 am
FCO
-
TYS
2 stops35h 44m
United Airlines
Deal found 7/24$846
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:20 pm
TYS
-
FCO
1 stop11h 55m
United Airlines
Mon 8/312:20 pm
FCO
-
TYS
2 stops32h 38m
United Airlines
Deal found 7/25$859
This United deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:45 am
TYS
-
FCO
2 stops19h 10m
Multiple Airlines
Tue 11/107:05 am
FCO
-
TYS
2 stops22h 54m
Multiple Airlines
Deal found 7/24$864

Find flight deals from Knoxville to Leonardo da Vinci/Fiumicino

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Leonardo da Vinci/Fiumicino (FCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$775
(United Airlines)

One-way from

$357
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$1,141
Provider with most accurate pricing for Knoxville McGhee Tyson-Rome Fiumicino flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Rome Fiumicino flights.
Search Deals
From Knoxville McGhee Tyson to Rome Fiumicino
Search Deals
One-way flight from Knoxville McGhee Tyson to Rome Fiumicino
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($233 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Leonardo da Vinci/Fiumicino that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Knoxville to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Sun 1/17

2:20 pm-8:30 am

1 stop12h 10m

Rome Fiumicino

Wed 1/20

1:15 pm-8:54 pm

2 stops37h 39m

$775

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Thu 11/12

4:16 pm-10:55 am

1 stop12h 39m

Rome Fiumicino

Fri 11/27

12:55 pm-8:54 pm

1 stop13h 59m

$845

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Fri 11/20

3:45 pm-7:55 am

1 stop34h 10m

Rome Fiumicino

Thu 11/26

11:15 am-4:59 pm

2 stops35h 44m

$913

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Mon 8/17

7:00 am-7:55 am

1 stop18h 55m

Rome Fiumicino

Wed 8/26

3:20 pm-11:59 pm

1 stop14h 39m

$979

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Mon 8/17

7:20 pm-1:15 pm

1 stop11h 55m

Rome Fiumicino

Tue 8/25

10:20 am-8:24 pm

1 stop16h 04m

$979

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Mon 9/7

9:45 am-8:15 am

1 stop16h 30m

Rome Fiumicino

Mon 9/14

7:05 pm-11:59 pm

2 stops34h 54m

$995
Quickest round-trip

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Mon 8/17

7:20 pm-1:15 pm

1 stop11h 55m

Rome Fiumicino

Sun 8/23

3:20 pm-11:59 pm

1 stop14h 39m

$1,029

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Thu 8/13

7:20 pm-1:15 pm

1 stop11h 55m

Rome Fiumicino

Fri 8/21

3:20 pm-11:59 pm

1 stop14h 39m

$1,029

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Thu 8/13

7:20 pm-1:15 pm

1 stop11h 55m

Rome Fiumicino

Thu 8/20

3:20 pm-11:59 pm

1 stop14h 39m

$1,029

KnoxvilleRome

TYS - FCO

TYSFCO

Knoxville McGhee Tyson

Sun 10/4

7:25 pm-1:15 pm

1 stop11h 50m

Rome Fiumicino

Mon 10/12

1:20 pm-11:59 pm

2 stops16h 39m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Leonardo da Vinci/Fiumicino

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Leonardo da Vinci/Fiumicino in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Rome Fiumicino Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Rome Fiumicino Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Rome Fiumicino Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Rome Fiumicino Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Rome Fiumicino Airport

How much does it cost to fly round-trip from Knoxville to Rome Fiumicino Airport?

Airfare is below average for this route at the moment.

Knoxville to Rome Fiumicino Airport flights typically cost between $842 and $874 in January.
The cheapest round-trip price found within the last 5 days was $775 on United Airlines (Jan 17-Jan 20).

Reviews of airlines servicing Leonardo da Vinci/Fiumicino

Get insights into the airlines that provide service to Leonardo da Vinci/Fiumicino. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Leonardo da Vinci/Fiumicino. Reviews last updated July 28, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andLufthansa from Knoxville to Rome Fiumicino Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,485 reviews

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,485 reviews
Delta
7.8
Good
8,485 reviews

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,043 reviews
Delta
7.8
Good
8,485 reviews

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,161 reviews
Delta
7.8
Good
8,485 reviews

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
British Airways
6.7
Okay
8,130 reviews
Delta
7.8
Good
8,485 reviews

Comfort

7.8

Food

7.2

Entertainment

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Leonardo da Vinci/Fiumicino. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Rome Fiumicino?

    For a flight from Knoxville to Rome Fiumicino, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city. McGhee Tyson is the only Knoxville airport and it handles 0 outbound flights to Rome Fiumicino per day. 4 airlines have flights to Rome Fiumicino from Knoxville McGhee Tyson on a regular basis.

  • How long is the flight from Knoxville to Rome Fiumicino Airport?

    A quick flight from Knoxville to Rome Fiumicino Airport can take about 12h 10m. United Airlines provides one of the quickest options available for as low as $845. Airlines will cover a distance of 4908 mi.

  • What are the cheapest airlines flying from Knoxville to Rome Fiumicino Airport round-trip?

    Our cheapest airline available from Knoxville to Rome Fiumicino Airport is United Airlines. Our recent data shows that you can find tickets from as low as $582 on this airline. Additional options worth looking into are Delta and British Airways, starting at $660 and $684 round-trip. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Knoxville to Leonardo da Vinci/Fiumicino that include hotel bookings?

    Yes. In addition to deals on Knoxville to Leonardo da Vinci/Fiumicino flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Leonardo da Vinci/Fiumicino?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Leonardo da Vinci/Fiumicino.

  • Can I find deals for business class flights from Knoxville to Leonardo da Vinci/Fiumicino?

    Yes. Cheapflights offers flight deals from Knoxville to Leonardo da Vinci/Fiumicino by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Rome Fiumicino Airport?

Book flights to Rome Fiumicino Airport if you plan to visit one of these locations
Fiumicino
Civitavecchia
Montepulciano
Santa Marinella

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Leonardo da Vinci/Fiumicino

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Leonardo da Vinci/Fiumicino flights
Chattanooga to Leonardo da Vinci/Fiumicino flights

Top 4 airlines flying from Knoxville to Leonardo da Vinci/Fiumicino

Discover the top 4 airlines that operate flights from Knoxville to Leonardo da Vinci/Fiumicino. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$582Average$918FlexibilityNo cancel feeOn-time69%
DeltaCheapest$660Average$966FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$684Average$859FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$787Average$982FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.