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

$794+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FCO
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings 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 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 May 27, 2026.

This Air France deal was found by Cheapflights users on 5/22. 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 10/2811:35 am
BIL
-
FCO
2 stops20h 40m
Multiple Airlines
Wed 11/186:10 am
FCO
-
BIL
2 stops21h 38m
Multiple Airlines
Deal found 5/22$794
This KLM deal was found by Cheapflights users on 5/22. 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.
Wed 10/2811:35 am
BIL
-
FCO
2 stops16h 25m
KLM
Wed 11/1812:25 pm
FCO
-
BIL
1 stop15h 23m
KLM
Deal found 5/22$795
This United Airlines deal was found by Cheapflights users on 5/23. 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 8/187:00 am
BIL
-
FCO
1 stop21h 20m
United Airlines
Tue 8/2511:30 am
FCO
-
BIL
2 stops41h 30m
United Airlines
Deal found 5/23$804
This FlightHub deal was found by Cheapflights users on 5/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
BIL
-
FCO
2 stops20h 45m
Air Canada
Tue 8/2511:30 am
FCO
-
BIL
2 stops41h 30m
Air Canada
Deal found 5/23$808
This KLM deal was found by Cheapflights users on 5/23. 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.
Tue 8/186:26 am
BIL
-
FCO
1 stop22h 14m
Multiple Airlines
Tue 8/252:45 pm
FCO
-
BIL
1 stop16h 45m
Multiple Airlines
Deal found 5/23$824
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 11/37:00 am
BIL
-
FCO
2 stops17h 30m
United Airlines
Tue 11/1711:15 am
FCO
-
BIL
2 stops41h 36m
United Airlines
Deal found 5/25$847
This Air France deal was found by Cheapflights users on 5/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:15 am
BIL
-
FCO
1 stop20h 00m
Multiple Airlines
Tue 11/175:20 pm
FCO
-
BIL
2 stops32h 29m
Multiple Airlines
Deal found 5/25$857
This FlightHub deal was found by Cheapflights users on 5/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:29 pm
BIL
-
FCO
1 stop13h 51m
Lufthansa
Tue 8/1810:50 am
FCO
-
BIL
2 stops38h 26m
Lufthansa
Deal found 5/23$878
This United Airlines deal was found by Cheapflights users on 5/23. 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 8/117:00 am
BIL
-
FCO
2 stops20h 45m
United Airlines
Tue 8/1810:50 am
FCO
-
BIL
2 stops38h 26m
United Airlines
Deal found 5/23$887

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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$794
(Air France)

Popular in

July

Cheapest in

January

Average price

$1,096
Provider with most accurate pricing for Billings Logan Intl-Rome Fiumicino flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Rome Fiumicino flights.
Search Deals
From Billings Logan Intl to Rome Fiumicino
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($462 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($129 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 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

Cheapest round-trip
Quickest round-trip

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Wed 10/28

11:35 am-11:00 am

2 stops16h 25m

Rome Fiumicino

Wed 11/18

12:25 pm-7:48 pm

1 stop15h 23m

$795

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Tue 8/18

6:26 am-12:40 pm

1 stop22h 14m

Rome Fiumicino

Tue 8/25

2:45 pm-11:30 pm

1 stop16h 45m

$824

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Tue 8/11

7:00 am-11:45 am

2 stops20h 45m

Rome Fiumicino

Tue 8/18

10:50 am-5:16 pm

2 stops38h 26m

$887

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Mon 7/20

6:24 am-11:25 am

2 stops21h 01m

Rome Fiumicino

Wed 8/5

2:45 pm-11:30 pm

1 stop16h 45m

$915

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Tue 7/7

2:25 pm-12:20 pm

1 stop13h 55m

Rome Fiumicino

Tue 7/14

11:30 am-5:19 pm

2 stops37h 49m

$968

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Sat 8/29

5:57 pm-12:20 pm

1 stop34h 23m

Rome Fiumicino

Mon 9/7

10:50 am-10:53 pm

2 stops44h 03m

$969

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Tue 7/7

6:00 pm-9:15 am

2 stops31h 15m

Rome Fiumicino

Tue 7/14

11:30 am-5:19 pm

2 stops37h 49m

$977

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Sat 7/11

6:00 pm-7:55 am

2 stops29h 55m

Rome Fiumicino

Fri 7/31

10:20 am-9:35 am

2 stops31h 15m

$993

BillingsRome

BIL - FCO

BILFCO

Billings Logan Intl

Thu 7/9

7:00 am-12:20 pm

1 stop21h 20m

Rome Fiumicino

Thu 7/16

11:30 am-9:17 pm

2 stops41h 47m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

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 May 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
9,751 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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?

    KLM and United Airlines can get you from Billings to Rome Fiumicino Airport in just under 16h 25m. Your travel time can differ by up to 4h 20m. 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
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 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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$688Average$767FlexibilityNo cancel feeOn-time69%

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.