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Leonardo da Vinci/Fiumicino

$377+ Cheap flights from Billings (BIL) 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FCO
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Billings to Leonardo da Vinci/Fiumicino

Cheapest flights from Billings to Leonardo da Vinci/Fiumicino
Explore the most affordable flight options available from Billings to Leonardo da Vinci/Fiumicino. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This United Airlines deal was found by Cheapflights users on 2/14. 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 3/186:30 am
BIL
-
FCO
2 stops44h 35m
United Airlines
Tue 3/2411:00 am
FCO
-
BIL
2 stops41h 07m
United Airlines
Deal found 2/14$606
This United Airlines deal was found by Cheapflights users on 2/15. 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 4/2210:38 am
BIL
-
FCO
2 stops27h 22m
United Airlines
Tue 5/511:30 am
FCO
-
BIL
2 stops43h 15m
United Airlines
Deal found 2/15$624
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Fri 7/315:55 pm
BIL
-
FCO
2 stops31h 20m
United Airlines
Fri 8/219:45 am
FCO
-
BIL
2 stops19h 06m
United Airlines
Deal found 2/13$635
This American Airlines deal was found by Cheapflights users on 2/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:51 pm
BIL
-
FCO
2 stops20h 04m
American Airlines
Tue 4/2810:00 am
FCO
-
BIL
2 stops20h 43m
American Airlines
Deal found 2/12$687
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/267:00 am
BIL
-
FCO
2 stops16h 45m
United Airlines
Fri 3/611:00 am
FCO
-
BIL
2 stops30h 51m
United Airlines
Deal found 2/12$713

Find flight deals from Billings to Leonardo da Vinci/Fiumicino

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 February 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$606
(United Airlines)

One-way from

$377
(Air France)

Popular in

February

Cheapest in

January

Average price

$1,716
Provider with most accurate pricing for Billings Logan Intl-Rome Fiumicino flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Rome Fiumicino flights.
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From Billings Logan Intl to Rome Fiumicino
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One-way flight from Billings Logan Intl to Rome Fiumicino
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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 February 15, 2026.
Use the filters below to find and compare flights from Billings to Rome Fiumicino Airport that are best for you.

Fly from

Billings

Fly to

Leonardo da Vinci/Fiumicino

Route

Depart

Return

Price

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 3/18

6:30 am-10:05 am

2 stops44h 35m

Rome Fiumicino

Tue 3/24

11:00 am-9:07 pm

2 stops41h 07m

$606

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Fri 7/31

5:55 pm-9:15 am

2 stops31h 20m

Rome Fiumicino

Fri 8/21

9:45 am-8:51 pm

2 stops19h 06m

$635

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 4/22

10:38 am-10:00 pm

2 stops27h 22m

Rome Fiumicino

Tue 5/5

3:40 pm-1:23 pm

3 stops29h 43m

$648

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Thu 4/23

1:51 pm-5:55 pm

2 stops20h 04m

Rome Fiumicino

Tue 4/28

10:00 am-10:43 pm

2 stops20h 43m

$687

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Fri 2/27

5:53 pm-7:45 am

2 stops29h 52m

Rome Fiumicino

Sat 3/7

11:00 am-8:51 am

2 stops29h 51m

$713

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Thu 2/26

7:00 am-7:45 am

2 stops16h 45m

Rome Fiumicino

Fri 3/6

11:00 am-1:23 pm

3 stops34h 23m

$713

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Thu 7/23

6:15 am-12:35 pm

1 stop22h 20m

$377

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Thu 7/23

6:15 am-4:35 pm

2 stops26h 20m

$382

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 7/15

5:55 pm-11:45 am

2 stops57h 50m

$387

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 7/15

5:55 pm-12:20 pm

1 stop34h 25m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Billings-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 Billings-Rome Fiumicino Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Rome Fiumicino Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-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 Billings-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 Billings to Leonardo da Vinci/Fiumicino

Have a flexible travel schedule? Discover the best time to fly to Leonardo da Vinci/Fiumicino from Billings 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.

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 February 15, 2026.
See what other customers who have flown with United Airlines from Billings to Rome Fiumicino Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,296 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,296 reviews
United Airlines
7.4
Good
9,296 reviews

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Billings 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 Billings to Rome Fiumicino?

    Located just 2.7 mi from the city center, Billings Logan Intl is the airport most travelers will use when flying to Rome Fiumicino from Billings. Booking flights from Billings Logan Intl (BIL) to Rome Fiumicino should be relatively easy as there are 0 daily outbound flights to Rome Fiumicino from 1 airline.

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

    United Airlines can get you from Billings to Rome Fiumicino Airport in just under 44h 35m. Your travel time can differ by up to . There are 5370 mi between Billings and Rome Fiumicino Airport.

  • What is the cheapest airline to fly from Billings to Rome Fiumicino Airport round-trip?

    Our cheapest airline available from Billings to Rome Fiumicino Airport is United Airlines. Our recent data shows that you can find tickets from as low as $688 on this airline.

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

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

  • How can I find direct flights from Billings 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 Billings to Leonardo da Vinci/Fiumicino.

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

    Yes. Cheapflights offers flight deals from Billings 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
Montepulciano
Santa Marinella

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Alternative routes for Billings to Leonardo da Vinci/Fiumicino

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

Top airline flying from Billings to Leonardo da Vinci/Fiumicino

Discover the top airline that operate flights from Billings 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 February 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$767FlexibilityNo cancel feeOn-time69%

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