Find flights
Deals
Insights
When to book
FAQs & Tips

CIA - SEA

Find cheap flights from Rome Ciampino to Seattle from $638

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ciampino to Seattle departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 5/16
Thu 5/23

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rome to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Rome to Seattle, as well as popular online travel agencies
In the last 7 days travelers have searched 43,990,755 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Flights from Ciampino to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Ciampino to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Rome Ciampino Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Rome Ciampino Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Rome Ciampino Airport to Seattle is January, where tickets cost $722 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is $1,092 and $986 respectively.

How far in advance should I book a flight from Rome Ciampino Airport to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Rome Ciampino Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Rome Ciampino Airport to Seattle, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 22 days before departure.

Good to know

Cheapest flight

$638
Flight from Rome Ciampino to Seattle

When to book flights from Ciampino to Seattle

Are your dates flexible? Find out the best times to travel from Ciampino to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Rome Ciampino to Seattle flights

  • What is the cheapest flight from Rome Ciampino Airport to Seattle?

    In the last 3 days, the lowest price for a flight from Rome Ciampino Airport to Seattle was $638 for a one-way ticket.

  • Do I need a passport to fly between Rome Ciampino and Seattle?

    Yes, you’ll need a passport to travel to Seattle from Rome Ciampino.

  • Which aircraft models fly most regularly from Rome Ciampino to Seattle?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Rome Ciampino to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Rome Ciampino to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Rome Ciampino to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Rome Ciampino is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Rome Ciampino to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Rome Ciampino with another airline. Booking your flights between Rome Ciampino and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Rome Ciampino to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Rome Ciampino up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Rome to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Rome to Seattle found on KAYAK in the last 72 hours.
5/17Fri
3 stops
37h 25mCIA-SEA
$638
6/19Wed
3 stops
36h 00mCIA-SEA
$755
6/19Wed
3 stops
36h 00mCIA-SEA
$757
6/1Sat
3 stops
55h 15mCIA-SEA
$845
6/25Tue
3 stops
52h 30mCIA-SEA
$906
4/21Sun
2 stops
36h 10mCIA-SEA
$916
7/30Tue
2 stops
31h 15mCIA-SEA
$1,001
6/17Mon
3 stops
37h 26mCIA-SEA
$1,018
6/17Mon
3 stops
37h 26mCIA-SEA
$1,048
6/17Mon
3 stops
37h 26mCIA-SEA
$1,050

Search by stops

Search by price

Rome Ciampino - Seattle Flights

Departure:

Rome Ciampino (CIA)Italy

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Rome Ciampino

Cabin classes:

Browse origins:

Browse destinations: