Seattle to Rome SEA → FCO
Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO)
The cheapest return found recently is $662 with Icelandair, 2 Feb 2027 – 16 Feb 2027, found today. The cheapest one-way found recently is $380 with Norse Atlantic Airways, 20 Oct, found today.
Return
The cheapest return fare on each of 3 departure dates is usually $716 to $780.
Cheapest return found recently
$662
2 Feb 2027 – 16 Feb 2027 · Icelandair
Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 2:35 p.m. · Return leaves 6:00 a.m. · 38 h of travel, both ways together
out 2 stops, back 3 stops
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$662 2 Feb 2027 – 16 Feb 2027found todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $710 to $1,592.
At $662, the cheapest return found recently is below that range.
23 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 29 Dec to 13 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 14-night return fares leaving within 3 days of 2 Feb 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 29 Dec – 6 Jan 2027 | $791 | British Airways | Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 2 Feb 2027 – 16 Feb 2027 | $662 | Icelandair | Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 2 stops, back 3 stops | found today | See prices for these dates |
| 13 Apr 2027 – 23 Apr 2027 | $769 | Icelandair | Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $662.
Airlines on the cheapest dates: Icelandair, British Airways.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$380
20 Oct · Norse Atlantic Airways
Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 2:02 p.m. · 15 h 28 min trip
stops unknown
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$380 20 Octfound todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 15 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $339 to $1,134.
15 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 20 Oct to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct | $380 | Norse Atlantic Airways | Seattle-Tacoma International Airport (SEA) → Leonardo da Vinci-Fiumicino Airport (FCO) | stops unknown | found today | Open this trip |
Airlines on the cheapest dates: Norse Atlantic Airways.
Premium cabin fares from Seattle to Rome
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 2 Feb 2027 – 16 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 20 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Rome?
Return
Fares 90 to 179 days before departure were typically 54% lower than 60 to 89 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (23 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $1,592 | $791 | +115% | 14 |
| 90–179 days | $739 | $710 | Cheapest seen | 19 |
| 180+ days | $882 | $811 | +19% | 13 |
One-way
Not enough history yet: in 15 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Everett → Rome
34 km from Seattle
$1,079
$417 more than flying from Seattle
13 Apr 2027 – 23 Apr 2027 · PAE → FCO · out 2 stops, back 1 stop
found today
Victoria → Rome
119 km from Seattle
C$1,050 (US$742)
C$113 (US$80) more than flying from Seattle
2 Apr 2027 – 2 May 2027 · YYJ → FCO · out 2 stops, back 3 stops
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Victoria → Rome
119 km from Seattle
C$409 (US$289)
C$129 (US$91) less than flying from Seattle
6 Mar 2027 · YYJ → FCO · 3 stops
found 3 days ago
Everett → Rome
34 km from Seattle
$629
$249 more than flying from Seattle
30 Mar 2027 · PAE → FCO · 2 stops
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 2 Feb 2027 – 16 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work