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Cheap flights from Rome Fiumicino Airport to Seattle from $322

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
SWISS Logo
9:35 am - 2:40 pm
FCO
-
SEA
14h 05m
1 stop
SWISS Logo
4:35 pm - 7:25 pm
SEA
-
FCO
17h 50m
1 stop
$559SWISS
Mon, Aug 17 - Mon, Aug 31
Air Canada Logo
10:00 am - 6:30 pm
FCO
-
SEA
17h 30m
2 stops
Air Canada Logo
8:00 am - 10:20 am
SEA
-
FCO
17h 20m
1 stop
$563Air Canada
Tue, May 12 - Mon, Jun 15
Lufthansa Logo
3:55 pm - 4:59 pm
FCO
-
SEA
34h 04m
1 stop
Lufthansa Logo
6:50 pm - 10:00 pm
SEA
-
FCO
18h 10m
1 stop
$566Lufthansa
Sat, May 2 - Tue, Jun 2
Lufthansa Logo
6:50 am - 12:20 pm
FCO
-
SEA
14h 30m
1 stop
Lufthansa Logo
7:40 am - 8:15 am
SEA
-
FCO
15h 35m
1 stop
$567Lufthansa
Mon, Jun 15 - Mon, Jul 13
SWISS Logo
8:15 pm - 2:40 pm
FCO
-
SEA
27h 25m
1 stop
SWISS Logo
4:35 pm - 7:25 pm
SEA
-
FCO
17h 50m
1 stop
$571SWISS
Sun, Aug 9 - Mon, Aug 31
Lufthansa Logo
6:50 am - 12:20 pm
FCO
-
SEA
14h 30m
1 stop
Lufthansa Logo
6:50 pm - 10:00 pm
SEA
-
FCO
18h 10m
1 stop
$572Lufthansa
Sat, May 9 - Sun, May 24
Multiple Airlines Logo
9:35 am - 2:40 pm
FCO
-
SEA
14h 05m
1 stop
Multiple Airlines Logo
6:50 pm - 10:00 pm
SEA
-
FCO
18h 10m
1 stop
$573Multiple Airlines
Mon, Aug 17 - Sun, Aug 30
Air Canada Logo
11:30 am - 10:48 pm
FCO
-
SEA
20h 18m
2 stops
Air Canada Logo
8:00 am - 11:45 am
SEA
-
FCO
18h 45m
2 stops
$575Air Canada
Fri, Sep 4 - Sun, Sep 6
Air Canada Logo
12:25 pm - 9:07 pm
FCO
-
SEA
17h 42m
1 stop
Air Canada Logo
10:30 am - 11:45 am
SEA
-
FCO
16h 15m
2 stops
$576Air Canada
Fri, Aug 14 - Sun, Sep 6
Lufthansa Logo
8:00 am - 4:59 pm
FCO
-
SEA
17h 59m
1 stop
Lufthansa Logo
7:01 am - 7:55 am
SEA
-
FCO
15h 54m
1 stop
$577Lufthansa
Tue, Jun 16 - Tue, Jul 14

Lufthansa flights from Rome Fiumicino Airport to Seattle

Our best Lufthansa deals on Rome Fiumicino Airport to Seattle flight tickets
Lufthansa
May 2
FCO3:55 pmRome Fiumicino
34h 04m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
Jun 2
SEA6:50 pmSeattle/Tacoma Intl
18h 10m
1 stop
FCO10:00 pmRome Fiumicino
$566
Lufthansa
Jun 15
FCO6:50 amRome Fiumicino
14h 30m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Jul 13
SEA7:40 amSeattle/Tacoma Intl
15h 35m
1 stop
FCO8:15 amRome Fiumicino
$567
Lufthansa
May 9
FCO6:50 amRome Fiumicino
14h 30m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
May 24
SEA6:50 pmSeattle/Tacoma Intl
18h 10m
1 stop
FCO10:00 pmRome Fiumicino
$572

United Airlines flights from Rome Fiumicino Airport to Seattle

Our best United Airlines deals on Rome Fiumicino Airport to Seattle flight tickets
United Airlines
Aug 18
FCO6:50 amRome Fiumicino
20h 42m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
Aug 30
SEA10:47 pmSeattle/Tacoma Intl
24h 08m
1 stop
FCO7:55 amRome Fiumicino
$606
United Airlines
Aug 18
FCO6:50 amRome Fiumicino
24h 58m
2 stops
SEA10:48 pmSeattle/Tacoma Intl
Aug 31
SEA7:00 amSeattle/Tacoma Intl
15h 55m
1 stop
FCO7:55 amRome Fiumicino
$607
United Airlines
Aug 18
FCO6:50 amRome Fiumicino
20h 42m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
Sep 9
SEA11:10 pmSeattle/Tacoma Intl
24h 05m
1 stop
FCO8:15 amRome Fiumicino
$608

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 April 2, 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

Cheapest round-trip

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Mon 8/17

9:35 am-2:40 pm

1 stop14h 05m

Seattle/Tacoma Intl

Mon 8/31

4:35 pm-7:25 pm

1 stop17h 50m

$559

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Tue 5/12

10:00 am-6:30 pm

2 stops17h 30m

Seattle/Tacoma Intl

Mon 6/15

8:00 am-10:20 am

1 stop17h 20m

$563

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Sat 5/2

3:55 pm-4:59 pm

1 stop34h 04m

Seattle/Tacoma Intl

Tue 6/2

6:50 pm-10:00 pm

1 stop18h 10m

$566
Quickest round-trip

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Mon 6/15

6:50 am-12:20 pm

1 stop14h 30m

Seattle/Tacoma Intl

Mon 7/13

7:40 am-8:15 am

1 stop15h 35m

$567

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Sun 8/9

8:15 pm-2:40 pm

1 stop27h 25m

Seattle/Tacoma Intl

Mon 8/31

4:35 pm-7:25 pm

1 stop17h 50m

$571

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Sat 5/9

6:50 am-12:20 pm

1 stop14h 30m

Seattle/Tacoma Intl

Sun 5/24

6:50 pm-10:00 pm

1 stop18h 10m

$572

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Mon 8/17

9:35 am-2:40 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sun 8/30

6:50 pm-10:00 pm

1 stop18h 10m

$573

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Fri 9/4

11:30 am-10:48 pm

2 stops20h 18m

Seattle/Tacoma Intl

Sun 9/6

8:00 am-11:45 am

2 stops18h 45m

$575

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Fri 8/14

12:25 pm-9:07 pm

1 stop17h 42m

Seattle/Tacoma Intl

Sun 9/6

10:30 am-11:45 am

2 stops16h 15m

$576

RomeSeattle

FCO - SEA

FCOSEA

Rome Fiumicino

Tue 6/16

8:00 am-4:59 pm

1 stop17h 59m

Seattle/Tacoma Intl

Tue 7/14

7:01 am-7:55 am

1 stop15h 54m

$577

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 typical price of a round-trip flight between Rome Fiumicino Airport and Seattle?

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 2% 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 April 2026, prices for Rome Fiumicino Airport to Seattle flights are approximately 7% cheaper 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

Best Price Found

$748

Fastest flight time

11h 20m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Rome Fiumicino Airport in the past 72 hours is $748. The best round-trip flight deal from Rome Fiumicino Airport to Seattle found on momondo in the last 72 hours is $1,039.
The fastest flight from Rome Fiumicino Airport to Seattle takes 11h 20m
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

Frequently asked questions about flying from Rome Fiumicino Airport to Seattle

  • 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 11h 20m, 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 $551Free CancellationRating
6.5
405 reviews
Search Condor flights
SWISSPriceFrom $883Free CancellationRating
7.5
1,909 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
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
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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