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Cheap flights from Rome Fiumicino Airport to Seattle from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome Fiumicino Airport to Seattle departing on 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Rome Fiumicino Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:25 pm - 9:53 pm
FCO
-
SEA
18h 28m
1 stop
Air Canada Logo
5:40 am - 9:15 am
SEA
-
FCO
18h 35m
2 stops
$598Air Canada
Fri, Apr 3 - Sun, Apr 12
Air Canada Logo
12:25 pm - 9:53 pm
FCO
-
SEA
18h 28m
1 stop
Air Canada Logo
8:00 am - 10:20 am
SEA
-
FCO
17h 20m
1 stop
$602Air Canada
Fri, Apr 3 - Sun, Apr 12
United Airlines Logo
6:50 am - 2:20 pm
FCO
-
SEA
16h 30m
2 stops
United Airlines Logo
7:00 am - 1:15 pm
SEA
-
FCO
21h 15m
2 stops
$612United Airlines
Fri, Jun 12 - Tue, Jun 23
Air Canada Logo
6:50 am - 9:17 am
FCO
-
SEA
35h 27m
2 stops
Air Canada Logo
7:20 pm - 9:15 am
SEA
-
FCO
28h 55m
2 stops
$613Air Canada
Wed, Jul 8 - Sun, Aug 9
United Airlines Logo
7:05 am - 1:10 pm
FCO
-
SEA
14h 05m
1 stop
United Airlines Logo
8:42 am - 12:20 pm
SEA
-
FCO
18h 38m
2 stops
$614United Airlines
Mon, Mar 16 - Mon, Mar 30
United Airlines Logo
1:20 pm - 1:07 am
FCO
-
SEA
20h 47m
2 stops
United Airlines Logo
7:00 am - 1:15 pm
SEA
-
FCO
21h 15m
2 stops
$615United Airlines
Tue, Aug 11 - Tue, Aug 25
United Airlines Logo
7:10 am - 12:20 pm
FCO
-
SEA
14h 10m
1 stop
United Airlines Logo
2:36 pm - 10:00 pm
SEA
-
FCO
22h 24m
2 stops
$616United Airlines
Thu, Jun 11 - Mon, Jun 22
United Airlines Logo
1:30 pm - 11:49 am
FCO
-
SEA
30h 19m
2 stops
United Airlines Logo
7:00 am - 7:55 am
SEA
-
FCO
15h 55m
1 stop
$617United Airlines
Mon, Mar 16 - Mon, Mar 30
United Airlines Logo
1:20 pm - 11:21 pm
FCO
-
SEA
19h 01m
2 stops
United Airlines Logo
8:56 am - 12:20 pm
SEA
-
FCO
18h 24m
1 stop
$618United Airlines
Wed, Jul 8 - Sat, Aug 8
United Airlines Logo
10:00 am - 11:21 pm
FCO
-
SEA
22h 21m
2 stops
United Airlines Logo
12:50 pm - 12:20 pm
SEA
-
FCO
14h 30m
1 stop
$619United Airlines
Wed, Jul 15 - Sun, Jul 26

United Airlines flights from Rome Fiumicino Airport to Seattle

Our best United Airlines deals on Rome Fiumicino Airport to Seattle flight tickets
United Airlines
Mar 19
FCO7:05 amRome Fiumicino
14h 05m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
Apr 1
SEA11:59 pmSeattle/Tacoma Intl
22h 56m
1 stop
FCO7:55 amRome Fiumicino
$610
United Airlines
Jun 12
FCO6:50 amRome Fiumicino
14h 30m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Jun 22
SEA10:40 pmSeattle/Tacoma Intl
24h 15m
1 stop
FCO7:55 amRome Fiumicino
$612
United Airlines
Mar 16
FCO7:05 amRome Fiumicino
14h 05m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
Mar 30
SEA8:42 amSeattle/Tacoma Intl
18h 38m
2 stops
FCO12:20 pmRome Fiumicino
$614

Air Canada flights from Rome Fiumicino Airport to Seattle

Our best Air Canada deals on Rome Fiumicino Airport to Seattle flight tickets
Air Canada
Apr 3
FCO12:25 pmRome Fiumicino
18h 28m
1 stop
SEA9:53 pmSeattle/Tacoma Intl
Apr 12
SEA5:40 amSeattle/Tacoma Intl
18h 35m
2 stops
FCO9:15 amRome Fiumicino
$598
Air Canada
Apr 3
FCO12:25 pmRome Fiumicino
18h 28m
1 stop
SEA9:53 pmSeattle/Tacoma Intl
Apr 12
SEA8:00 amSeattle/Tacoma Intl
17h 20m
1 stop
FCO10:20 amRome Fiumicino
$602
Air Canada
Jul 8
FCO6:50 amRome Fiumicino
35h 27m
2 stops
SEA9:17 amSeattle/Tacoma Intl
Aug 4
SEA7:20 pmSeattle/Tacoma Intl
28h 55m
2 stops
FCO9:15 amRome Fiumicino
$613

momondo Fare Finder

 
Customize your flight search to find flights from Rome Fiumicino Airport to Seattle 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, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Rome Fiumicino Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Fri 4/3

12:25 pm-9:53 pm

1 stop18h 28m

Seattle/Tacoma Intl

Sun 4/12

5:40 am-9:15 am

2 stops18h 35m

$598

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Fri 4/3

12:25 pm-9:53 pm

1 stop18h 28m

Seattle/Tacoma Intl

Sun 4/12

8:00 am-10:20 am

1 stop17h 20m

$602

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Fri 6/12

6:50 am-2:20 pm

2 stops16h 30m

Seattle/Tacoma Intl

Tue 6/23

7:00 am-1:15 pm

2 stops21h 15m

$612

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Wed 7/8

6:50 am-9:17 am

2 stops35h 27m

Seattle/Tacoma Intl

Sun 8/9

7:20 pm-9:15 am

2 stops28h 55m

$613

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Mon 3/16

7:05 am-1:10 pm

1 stop14h 05m

Seattle/Tacoma Intl

Mon 3/30

8:42 am-12:20 pm

2 stops18h 38m

$614

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Tue 8/11

1:20 pm-1:07 am

2 stops20h 47m

Seattle/Tacoma Intl

Tue 8/25

7:00 am-1:15 pm

2 stops21h 15m

$615

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Thu 6/11

7:10 am-12:20 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 6/22

2:36 pm-10:00 pm

2 stops22h 24m

$616

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Mon 3/16

1:30 pm-11:49 am

2 stops30h 19m

Seattle/Tacoma Intl

Mon 3/30

7:00 am-7:55 am

1 stop15h 55m

$617

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Wed 7/8

1:20 pm-11:21 pm

2 stops19h 01m

Seattle/Tacoma Intl

Sat 8/8

8:56 am-12:20 pm

1 stop18h 24m

$618

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Wed 7/15

10:00 am-11:21 pm

2 stops22h 21m

Seattle/Tacoma Intl

Sun 7/26

12:50 pm-12:20 pm

1 stop14h 30m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Rome Fiumicino Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Rome Fiumicino Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $578. If you don’t want to visit Seattle in April, then you should wait until May to fly from Rome Fiumicino Airport, when ticket prices are also cheap, with an average price of $655.

What is the cheapest Rome Fiumicino to Seattle/Tacoma Intl flight route?

Fly from Rome Fiumicino to Seattle/Tacoma Intl for the best Rome Fiumicino - Seattle/Tacoma Intl flight prices

What cabin class options are available on Rome Fiumicino to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Rome Fiumicino to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Rome Fiumicino Airport to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Rome Fiumicino Airport to Seattle flight.

How have Rome Fiumicino Airport to Seattle flight prices changed over time?

As of February 2026, prices for Rome Fiumicino Airport to Seattle flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Rome Fiumicino Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Rome Fiumicino Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rome Fiumicino Airport to Seattle (FCO to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rome Fiumicino Airport to Seattle

Fastest flight time

12h 10m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Rome Fiumicino Airport to Seattle takes 12h 10m
Direct flights go from Rome Fiumicino Airport to Seattle every day.
There is 1 airport in Seattle. From Rome Fiumicino Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • How far is Rome Fiumicino to Seattle/Tacoma Intl by plane?

    The distance between Rome Fiumicino and Seattle/Tacoma Intl is about 5660.8 mi. Flights usually cover this in 12h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Rome Fiumicino Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Rome Fiumicino Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Rome Fiumicino Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Rome Fiumicino Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rome Fiumicino Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Rome Fiumicino Airport to Seattle?

  • What is the most popular airline from Rome Fiumicino Airport to Seattle?

Best airlines flying from Rome Fiumicino Airport to Seattle

Compare and see reviews for airlines that fly from Rome Fiumicino Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
CondorPriceFrom $491Free CancellationRating
6.4
400 reviews
Search Condor flights
SWISSPriceFrom $883Free CancellationRating
7.6
1,872 reviews
Search SWISS flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Rome to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rome to Seattle for you.

Can I find flights from Rome to Seattle with flexible booking policies on momondo?

Flights from Rome to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rome to Seattle?

momondo helps you find the best flight between Rome and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Rome to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rome to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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