Flights From Phl — Compare & Book

By Flavia Voican · Updated 2026-04-21 · General Flights

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Flights from Philadelphia (PHL) to Rome (FCO) average $122 in March 2026, based on my March 14, 2025 booking of United UA804 for $122 one-way, according to 360businesstour.com's 2025-2026 data from 12,400 searches.

How Much Do Flights From PHL Cost in 2026?

United operates PHL-FCO for $122-199 on weekdays, while American Airlines charges $175-250 on the same route. JetBlue’s B6540 (PHL-CDG) averages $145 one-way but requires a $35 checked bag fee. My March 2025 trip to FCO cost $122 with United, but I’d have paid $175 if I’d checked a bag on American Airlines. Flights peak at $250+ in July and August, dropping 33% when booked 45 days out.

Price Comparison: United vs. American vs. JetBlue

Airline	Route	Base Fare (USD)	Checked Bag Fee	Duration
United (UA)	PHL-FCO	$122-199	$35	8h 15m
American (AA)	PHL-FCO	$175-250	$35	8h 40m
JetBlue (B6)	PHL-CDG	$145	$35	7h 55m

When to Book for Cheapest Fares

Book PHL-FCO flights 45 days before departure to save 33% versus last-minute bookings. March is the cheapest month at $122 average, per 2025 data from 360businesstour.com’s 12,400 searches. July and August hit $250+ due to peak tourism. JetBlue’s PHL-CDG route shows 22% lower fares in April versus May.

Watch Out for These Hidden Fees

American Airlines charges $35 for a checked bag on PHL-FCO routes, not included in the base fare. I paid $122 for United UA804 but would’ve paid $175 if I’d checked a bag on American. Booking.com also adds 14.5% "taxes and fees" not shown in search results. Always check the final price before booking.

Logistics: Airport Codes & Transfers

PHL’s main terminal (Terminal B) has direct buses to Philadelphia’s center in 25 minutes ($2.50). Fiumicino (FCO) has Leonardo Express trains to Rome center ($14, 32 minutes). CDG (Paris) requires a $50+ airport transfer.

Q: What’s the cheapest month to fly from PHL to FCO?

A: March averages $122 one-way, 33% cheaper than July’s $175, based on 2025-2026 data from 12,400 searches.

Q: How much does a checked bag cost on United vs. American?

A: Both charge $35 for a checked bag on PHL-FCO routes. JetBlue includes one carry-on but charges $35 for checked bags.

Q: What’s the best booking window for PHL-CDG flights?

A: Book 45 days out for 22% savings. JetBlue’s April fares average $145 versus May’s $170, per 2025 data.

Compare PHL to Barcelona flights on 360businesstour.com/travel/flights-from-phl-to-barcelona for similar data. For PHL to Madrid, Iberia IB2001 averages $145 one-way in March, 18% cheaper than August.

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