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Cheap flights from Seattle to Florence 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 Seattle to Florence departing on 3/8. 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 Seattle to Florence

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:00 am - 10:20 pm
SEA
-
FLR
30h 20m
2 stops
British Airways Logo
7:05 am - 7:02 pm
FLR
-
SEA
20h 57m
2 stops
$429British Airways
Wed, Apr 15 - Thu, Apr 23
British Airways Logo
8:20 pm - 10:20 pm
SEA
-
FLR
17h 00m
1 stop
British Airways Logo
7:05 am - 7:02 pm
FLR
-
SEA
20h 57m
2 stops
$432British Airways
Wed, Apr 15 - Thu, Apr 23
British Airways Logo
6:50 pm - 11:20 am
SEA
-
FLR
31h 30m
1 stop
British Airways Logo
11:40 am - 11:30 am
FLR
-
SEA
32h 50m
1 stop
$438British Airways
Mon, Feb 9 - Mon, Feb 16
British Airways Logo
8:20 pm - 11:30 am
SEA
-
FLR
30h 10m
1 stop
British Airways Logo
12:25 pm - 6:25 pm
FLR
-
SEA
15h 00m
1 stop
$439British Airways
Wed, Apr 15 - Thu, Apr 23
British Airways Logo
11:10 pm - 10:20 pm
SEA
-
FLR
38h 10m
2 stops
British Airways Logo
12:40 pm - 11:35 am
FLR
-
SEA
31h 55m
1 stop
$442British Airways
Tue, Apr 14 - Mon, Apr 20
British Airways Logo
6:50 pm - 11:20 am
SEA
-
FLR
31h 30m
1 stop
British Airways Logo
12:10 pm - 4:55 pm
FLR
-
SEA
13h 45m
1 stop
$443British Airways
Mon, Feb 9 - Wed, Feb 25
British Airways Logo
6:50 pm - 11:20 am
SEA
-
FLR
31h 30m
1 stop
British Airways Logo
12:10 pm - 11:04 pm
FLR
-
SEA
43h 54m
2 stops
$448British Airways
Mon, Feb 9 - Wed, Feb 25
British Airways Logo
11:10 pm - 10:20 pm
SEA
-
FLR
38h 10m
2 stops
British Airways Logo
7:05 am - 11:39 pm
FLR
-
SEA
25h 34m
2 stops
$452British Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
12:51 pm - 11:20 am
SEA
-
FLR
37h 29m
2 stops
British Airways Logo
11:40 am - 12:24 am
FLR
-
SEA
45h 44m
2 stops
$456British Airways
Mon, Feb 9 - Mon, Feb 16
British Airways Logo
6:50 pm - 11:20 am
SEA
-
FLR
31h 30m
1 stop
British Airways Logo
11:40 am - 12:24 am
FLR
-
SEA
45h 44m
2 stops
$457British Airways
Mon, Feb 9 - Mon, Feb 16

United Airlines flights from Seattle to Florence

Our best United Airlines deals on Seattle to Florence flight tickets
United Airlines
Mar 11
SEA7:00 amSeattle/Tacoma Intl
20h 00m
2 stops
FLR11:00 amFlorence Peretola
Mar 31
FLR8:15 amFlorence Peretola
22h 36m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$492
United Airlines
Feb 7
SEA10:58 amSeattle/Tacoma Intl
42h 12m
2 stops
FLR2:10 pmFlorence Peretola
Feb 20
FLR6:30 amFlorence Peretola
23h 26m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$494
United Airlines
Feb 15
SEA12:32 pmSeattle/Tacoma Intl
39h 03m
2 stops
FLR12:35 pmFlorence Peretola
Feb 23
FLR9:40 amFlorence Peretola
46h 03m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$499

Lufthansa flights from Seattle to Florence

Our best Lufthansa deals on Seattle to Florence flight tickets
Lufthansa
Mar 11
SEA4:10 pmSeattle/Tacoma Intl
20h 30m
1 stop
FLR8:40 pmFlorence Peretola
Mar 31
FLR6:30 amFlorence Peretola
14h 50m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$460
Lufthansa
Feb 17
SEA7:00 amSeattle/Tacoma Intl
24h 30m
2 stops
FLR4:30 pmFlorence Peretola
Feb 24
FLR8:00 amFlorence Peretola
23h 43m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$467
Lufthansa
Mar 17
SEA3:00 pmSeattle/Tacoma Intl
14h 40m
1 stop
FLR1:40 pmFlorence Peretola
Mar 31
FLR6:30 amFlorence Peretola
14h 50m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$479

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Florence 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 January 21, 2026.
Use the filters below to find and compare flights from Seattle to Florence that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 4/15

7:00 am-10:20 pm

2 stops30h 20m

Florence Peretola

Thu 4/23

7:05 am-7:02 pm

2 stops20h 57m

$429

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 4/15

8:20 pm-10:20 pm

1 stop17h 00m

Florence Peretola

Thu 4/23

7:05 am-7:02 pm

2 stops20h 57m

$432

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/9

6:50 pm-11:20 am

1 stop31h 30m

Florence Peretola

Mon 2/16

11:40 am-11:30 am

1 stop32h 50m

$438

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 4/15

8:20 pm-11:30 am

1 stop30h 10m

Florence Peretola

Thu 4/23

12:25 pm-6:25 pm

1 stop15h 00m

$439

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 4/14

11:10 pm-10:20 pm

2 stops38h 10m

Florence Peretola

Mon 4/20

12:40 pm-11:35 am

1 stop31h 55m

$442

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/9

6:50 pm-11:20 am

1 stop31h 30m

Florence Peretola

Wed 2/25

12:10 pm-4:55 pm

1 stop13h 45m

$443

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/9

6:50 pm-11:20 am

1 stop31h 30m

Florence Peretola

Wed 2/25

12:10 pm-11:04 pm

2 stops43h 54m

$448

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 4/14

11:10 pm-10:20 pm

2 stops38h 10m

Florence Peretola

Tue 4/21

7:05 am-11:39 pm

2 stops25h 34m

$452

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/9

12:51 pm-11:20 am

2 stops37h 29m

Florence Peretola

Mon 2/16

11:40 am-12:24 am

2 stops45h 44m

$456

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/9

6:50 pm-11:20 am

1 stop31h 30m

Florence Peretola

Mon 2/16

11:40 am-12:24 am

2 stops45h 44m

$457

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 Florence from

How to get the cheapest flight ticket from Seattle to Florence

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 Florence?

If you aren’t able to travel during the month of March, then book flights to Florence from Seattle during February instead. Flights to Florence in February, while not as cheap as those in March, still average around $698.

How far in advance should I book a flight to Florence?

You are more likely to see cheaper flights to Florence from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Florence for around $987 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florence from Seattle for as low as $829 on momondo.

Can stopping save me money on Seattle to Florence flights?

You could potentially save up to 25% on your flight if you consider stops on a Seattle to Florence flight.

How have Seattle to Florence flight prices changed over time?

As of January 2026, prices for Seattle to Florence flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Florence

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

Cheap Seattle to Florence (SEA to FLR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Florence

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Seattle to Florence takes 12h 25m
There are no direct flights from Seattle to Florence. There are no popular flight routes from Seattle to Florence.
Search flight deals

  • How far is Seattle/Tacoma Intl to Florence Peretola by plane?

    There are 5517.1 mi between Seattle/Tacoma Intl and Florence Peretola. In terms of flight time, this usually takes a little over 12h 25m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Florence Peretola Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Florence Peretola Airport.

  • What documentation or ID do you need to fly to Florence Peretola Airport?

    The travel and health documents required for your trip to Florence Peretola Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Florence Peretola Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Florence?

Best airlines flying from Seattle to Florence

Compare and see reviews for airlines that fly from Seattle to Florence with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $474Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,738 reviews
Search Lufthansa flights
Air FrancePriceFrom $633Free CancellationRating
7.4
1,523 reviews
Search Air France flights
British AirwaysPriceFrom $659Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
DeltaPriceFrom $665Free CancellationRating
7.9
8,088 reviews
Search Delta flights
KLMPriceFrom $718Free CancellationRating
7.7
1,442 reviews
Search KLM flights
SWISSPriceFrom $777Free CancellationRating
7.5
1,855 reviews
Search SWISS flights

Traveling to a place near Florence?

Book flights to Florence if you plan to visit one of these locations
Siena
Prato
San Gimignano
Montecatini Terme
Arezzo
Pistoia
Colle di Val d'Elsa
Fiesole
Impruneta
Greve in Chianti
Monteriggioni
Volterra

Why use momondo?

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

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 Seattle to Florence for you.

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

Flights from Seattle to Florence 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 Seattle to Florence?

Once all potential Seattle to Florence flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Florence from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Florence trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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