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Leonardo da Vinci/Fiumicino

$671+ Cheap flights from Billings (BIL) to Fiumicino (FCO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FCO
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
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 27, 2026.

This United Airlines deal was found by Cheapflights users on 2/24. 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.
Wed 4/222:35 pm
BIL
-
FCO
2 stops23h 25m
United Airlines
Tue 5/511:30 am
FCO
-
BIL
2 stops43h 15m
United Airlines
Deal found 2/24$671
This KLM deal was found by Cheapflights users on 2/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:25 am
BIL
-
FCO
1 stop19h 40m
Multiple Airlines
Wed 4/229:00 am
FCO
-
BIL
1 stop19h 06m
Multiple Airlines
Deal found 2/24$683
This American Airlines deal was found by Cheapflights users on 2/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:51 pm
BIL
-
FCO
2 stops21h 29m
American Airlines
Wed 4/2210:00 am
FCO
-
BIL
2 stops20h 43m
American Airlines
Deal found 2/25$684
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 4/1210:38 am
BIL
-
FCO
1 stop17h 42m
United Airlines
Wed 4/2212:25 pm
FCO
-
BIL
2 stops41h 40m
United Airlines
Deal found 2/27$688
This Air France deal was found by Cheapflights users on 2/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:33 am
BIL
-
FCO
2 stops18h 52m
Multiple Airlines
Tue 5/56:30 am
FCO
-
BIL
2 stops21h 36m
Multiple Airlines
Deal found 2/26$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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$671
(United Airlines)

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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Highest demand for flights based on searches. 5% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($73 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 27, 2026.
Use the filters below to find and compare flights from Billings to Rome Fiumicino Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 4/22

10:38 am-10:00 pm

2 stops27h 22m

Rome Fiumicino

Tue 5/5

2:20 pm-10:45 pm

1 stop16h 25m

$691

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Sun 4/12

6:25 am-10:05 am

1 stop19h 40m

Rome Fiumicino

Wed 4/22

9:00 am-8:06 pm

1 stop19h 06m

$703

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Sun 4/12

2:35 pm-12:20 pm

1 stop13h 45m

Rome Fiumicino

Wed 4/22

2:20 pm-8:57 pm

1 stop14h 37m

$703

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 4/22

11:33 am-5:30 pm

2 stops21h 57m

Rome Fiumicino

Tue 5/5

6:30 am-8:06 pm

2 stops21h 36m

$733

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Mon 4/13

2:35 pm-12:20 pm

1 stop13h 45m

Rome Fiumicino

Mon 4/20

2:20 pm-8:57 pm

1 stop14h 37m

$753

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Mon 3/2

1:48 pm-7:35 pm

2 stops21h 47m

Rome Fiumicino

Mon 3/9

11:35 am-10:09 pm

1 stop17h 34m

$802

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 4/1

6:25 am-2:25 pm

2 stops24h 00m

Rome Fiumicino

Sun 4/12

10:35 am-8:19 pm

2 stops17h 44m

$877

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Mon 3/23

5:55 pm-11:00 pm

2 stops22h 05m

Rome Fiumicino

Mon 3/30

2:20 pm-8:57 pm

1 stop14h 37m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Sorted by cheapest first
  • 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 27, 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
9,363 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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
9,363 reviews
United Airlines
7.4
Good
9,363 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

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 and Delta can get you from Billings to Rome Fiumicino Airport in just under 21h 57m. Your travel time can differ by up to 5h 25m. There are 5370 mi between Billings and Rome Fiumicino Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.
Bozeman 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$767FlexibilityNo cancel feeOn-time69%

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