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Cheap flights from Seattle to Florence from $343

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 8/10. 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.
Multiple Airlines Logo
6:10 pm - 10:20 pm
SEA
-
FLR
19h 10m
1 stop
Multiple Airlines Logo
6:30 am - 4:00 pm
FLR
-
SEA
18h 30m
1 stop
$667Multiple Airlines
Mon, Sep 7 - Fri, Sep 18
Multiple Airlines Logo
6:10 pm - 10:20 pm
SEA
-
FLR
19h 10m
1 stop
Multiple Airlines Logo
6:30 am - 4:00 pm
FLR
-
SEA
18h 30m
1 stop
$701Multiple Airlines
Mon, Sep 7 - Fri, Sep 18
Scandinavian Airlines Logo
9:50 am - 7:05 pm
SEA
-
FLR
24h 15m
2 stops
Scandinavian Airlines Logo
12:20 pm - 1:45 pm
FLR
-
SEA
34h 25m
1 stop
$711Scandinavian Airlines
Mon, Sep 7 - Fri, Sep 18
Multiple Airlines Logo
3:00 pm - 8:15 pm
SEA
-
FLR
20h 15m
2 stops
Multiple Airlines Logo
6:30 am - 9:51 am
FLR
-
SEA
36h 21m
2 stops
$714Multiple Airlines
Tue, Oct 13 - Tue, Nov 10
Multiple Airlines Logo
6:50 pm - 8:15 pm
SEA
-
FLR
16h 25m
1 stop
Multiple Airlines Logo
6:30 am - 9:56 pm
FLR
-
SEA
24h 26m
2 stops
$719Multiple Airlines
Tue, Oct 13 - Tue, Nov 10
Multiple Airlines Logo
6:10 pm - 10:20 pm
SEA
-
FLR
19h 10m
1 stop
Multiple Airlines Logo
10:25 am - 3:40 pm
FLR
-
SEA
14h 15m
1 stop
$723Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Multiple Airlines Logo
6:10 pm - 10:20 pm
SEA
-
FLR
19h 10m
1 stop
Multiple Airlines Logo
6:30 am - 4:00 pm
FLR
-
SEA
18h 30m
1 stop
$733Multiple Airlines
Mon, Sep 7 - Fri, Sep 18
Lufthansa Logo
6:50 pm - 8:15 pm
SEA
-
FLR
16h 25m
1 stop
Lufthansa Logo
6:30 am - 12:10 pm
FLR
-
SEA
14h 40m
1 stop
$741Lufthansa
Tue, Oct 20 - Fri, Nov 6
Lufthansa Logo
7:00 am - 4:35 pm
SEA
-
FLR
24h 35m
2 stops
Lufthansa Logo
6:30 am - 12:10 pm
FLR
-
SEA
14h 40m
1 stop
$746Lufthansa
Tue, Oct 20 - Thu, Nov 5
Delta Logo
3:00 pm - 7:50 pm
SEA
-
FLR
20h 50m
1 stop
Delta Logo
6:50 am - 3:21 pm
FLR
-
SEA
17h 31m
1 stop
$747Delta
Mon, Oct 26 - Fri, Nov 6

SWISS flights from Seattle to Florence

Our best SWISS deals on Seattle to Florence flight tickets
SWISS
Jun 7
SEA10:45 amSeattle/Tacoma Intl
18h 25m
2 stops
FLR2:10 pmFlorence Peretola
Jun 16
FLR10:45 amFlorence Peretola
16h 45m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$986
SWISS
Jun 8
SEA10:45 amSeattle/Tacoma Intl
18h 25m
2 stops
FLR2:10 pmFlorence Peretola
Jun 16
FLR10:45 amFlorence Peretola
21h 47m
2 stops
SEA11:32 pmSeattle/Tacoma Intl
$996
SWISS
May 14
SEA10:45 amSeattle/Tacoma Intl
26h 50m
2 stops
FLR10:35 pmFlorence Peretola
May 18
FLR10:45 amFlorence Peretola
16h 45m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$1,033

KLM flights from Seattle to Florence

Our best KLM deals on Seattle to Florence flight tickets
KLM
May 14
SEA1:30 pmSeattle/Tacoma Intl
15h 55m
1 stop
FLR2:25 pmFlorence Peretola
May 18
FLR7:40 pmFlorence Peretola
25h 02m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$1,031
KLM
May 14
SEA1:30 pmSeattle/Tacoma Intl
18h 45m
1 stop
FLR5:15 pmFlorence Peretola
May 18
FLR7:40 pmFlorence Peretola
25h 02m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$1,032
KLM
May 18
SEA5:40 pmSeattle/Tacoma Intl
14h 10m
1 stop
FLR4:50 pmFlorence Peretola
May 23
FLR11:20 amFlorence Peretola
14h 10m
1 stop
SEA4:30 pmSeattle/Tacoma Intl
$1,513

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 May 9, 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

Cheapest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 9/7

6:10 pm-10:20 pm

1 stop19h 10m

Florence Peretola

Fri 9/18

6:30 am-4:00 pm

1 stop18h 30m

$667

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 9/7

6:10 pm-10:20 pm

1 stop19h 10m

Florence Peretola

Fri 9/18

6:30 am-4:00 pm

1 stop18h 30m

$701

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 9/7

9:50 am-7:05 pm

2 stops24h 15m

Florence Peretola

Fri 9/18

12:20 pm-1:45 pm

1 stop34h 25m

$711

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 10/13

3:00 pm-8:15 pm

2 stops20h 15m

Florence Peretola

Tue 11/10

6:30 am-9:51 am

2 stops36h 21m

$714

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 10/13

6:50 pm-8:15 pm

1 stop16h 25m

Florence Peretola

Tue 11/10

6:30 am-9:56 pm

2 stops24h 26m

$719

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 9/14

6:10 pm-10:20 pm

1 stop19h 10m

Florence Peretola

Tue 9/22

10:25 am-3:40 pm

1 stop14h 15m

$723

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 9/7

6:10 pm-10:20 pm

1 stop19h 10m

Florence Peretola

Fri 9/18

6:30 am-4:00 pm

1 stop18h 30m

$733
Quickest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 10/20

6:50 pm-8:15 pm

1 stop16h 25m

Florence Peretola

Fri 11/6

6:30 am-12:10 pm

1 stop14h 40m

$741

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 10/20

7:00 am-4:35 pm

2 stops24h 35m

Florence Peretola

Thu 11/5

6:30 am-12:10 pm

1 stop14h 40m

$746

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 10/26

3:00 pm-7:50 pm

1 stop20h 50m

Florence Peretola

Fri 11/6

6:50 am-3:21 pm

1 stop17h 31m

$747

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 typical price of a round-trip flight between Seattle and Florence?

What is the cheapest month to fly to Florence?

If you aren’t able to travel during the month of February, then book flights to Florence from Seattle during January instead. Flights to Florence in January, while not as cheap as those in February, still average around $766.

How far in advance should I book a flight from Seattle 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 $984 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 $774 on momondo.

Can stopping save me money on Seattle to Florence flights?

You could potentially save up to 22% 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 May 2026, prices for Seattle to Florence flights are approximately 19% 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

Frequently asked questions about flying from Seattle to Florence

  • 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
British AirwaysPriceFrom $466Free CancellationRating
6.7
7,954 reviews
Search British Airways flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,693 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $503Free CancellationRating
7.4
1,771 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $588Free CancellationRating
7.9
8,457 reviews
Search Delta flights
LufthansaPriceFrom $596Free CancellationRating
6.8
7,984 reviews
Search Lufthansa flights
Air FrancePriceFrom $633Free CancellationRating
7.4
1,585 reviews
Search Air France flights
KLMPriceFrom $706Free CancellationRating
7.8
1,510 reviews
Search KLM flights

Traveling to a place near Florence?

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

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

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