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Cheap flights from Seattle to Florence from $313

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 10/23. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Florence

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
15h 40m1 stop Frankfurt am Main
Multiple Airlines Logo
6:30 am - 3:55 pmFLR  Florence Peretola-SEA Seattle/Tacoma Intl
18h 25m1 stop Frankfurt am Main
$645Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
Multiple Airlines Logo
5:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
15h 40m1 stop Frankfurt am Main
Multiple Airlines Logo
6:30 am - 3:40 pmFLR  Florence Peretola-SEA Seattle/Tacoma Intl
18h 10m1 stop Frankfurt am Main
$645Multiple Airlines
Mon, Jan 11 - Fri, Apr 30
British Airways Logo
6:12 am - 11:30 amSEA  Seattle/Tacoma Intl-FLR Florence Peretola
20h 18m2 stops Philadelphia London Heathrow
British Airways Logo
12:35 pm - 12:35 amFLR  Florence Peretola-SEA Seattle/Tacoma Intl
21h 00m2 stops London Heathrow Chicago O'Hare Intl
$738British Airways
Mon, Jan 11 - Thu, Jan 21
United Airlines Logo
2:50 pm - 12:30 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
12h 40m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:30 am - 12:00 pmFLR  Florence Peretola-SEA Seattle/Tacoma Intl
14h 30m1 stop Frankfurt am Main
$740United Airlines
Sun, Nov 15 - Thu, Nov 19
Delta Logo
6:00 am - 9:00 amSEA  Seattle/Tacoma Intl-FLR Florence Peretola
18h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
6:40 am - 11:50 amFLR  Florence Peretola-SEA Seattle/Tacoma Intl
14h 10m1 stop Amsterdam Schiphol
$743Delta
Mon, Jan 11 - Thu, Jan 21
United Airlines Logo
6:50 am - 1:50 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
22h 00m2 stops Newark Zurich
United Airlines Logo
6:30 am - 12:00 pmFLR  Florence Peretola-SEA Seattle/Tacoma Intl
14h 30m1 stop Frankfurt am Main
$746United Airlines
Mon, Jan 25 - Thu, Jan 28
Delta Logo
6:05 am - 11:25 amSEA  Seattle/Tacoma Intl-FLR Florence Peretola
20h 20m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
6:40 am - 4:59 pmFLR  Florence Peretola-SEA Seattle/Tacoma Intl
19h 19m2 stops Amsterdam Schiphol Los Angeles
$753Delta
Mon, Jan 11 - Thu, Jan 21
KLM Logo
4:05 pm - 7:50 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
18h 45m1 stop Paris Charles de Gaulle
KLM Logo
6:40 am - 11:47 amFLR  Florence Peretola-SEA Seattle/Tacoma Intl
14h 07m1 stop Amsterdam Schiphol
$768KLM
Tue, Nov 3 - Tue, Nov 24
British Airways Logo
6:45 pm - 11:20 amSEA  Seattle/Tacoma Intl-FLR Florence Peretola
31h 35m1 stop London Heathrow
British Airways Logo
11:40 am - 11:25 amFLR  Florence Peretola-SEA Seattle/Tacoma Intl
32h 45m1 stop London Heathrow
$786British Airways
Mon, Nov 2 - Mon, Nov 16
KLM Logo
2:35 pm - 4:25 pmSEA  Seattle/Tacoma Intl-FLR Florence Peretola
16h 50m1 stop Amsterdam Schiphol
KLM Logo
6:40 am - 11:47 amFLR  Florence Peretola-SEA Seattle/Tacoma Intl
14h 07m1 stop Amsterdam Schiphol
$833KLM
Sat, Nov 21 - Fri, Nov 27

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British Airways flights from Seattle to Florence

Our best British Airways deals on Seattle to Florence flight tickets
British Airways
Nov 2
SEA6:45 pmSeattle/Tacoma Intl
31h 35m
1 stop
FLR11:20 amFlorence Peretola
Nov 16
FLR11:40 amFlorence Peretola
32h 45m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$786
British Airways
Aug 17
SEA1:30 pmSeattle/Tacoma Intl
23h 50m
1 stop
FLR10:20 pmFlorence Peretola
Aug 23
FLR7:10 amFlorence Peretola
13h 25m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$937

SWISS flights from Seattle to Florence

Our best SWISS deals on Seattle to Florence flight tickets
SWISS
Sep 30
SEA1:19 pmSeattle/Tacoma Intl
24h 16m
2 stops
FLR10:35 pmFlorence Peretola
Oct 14
FLR6:30 amFlorence Peretola
21h 02m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$822
SWISS
Aug 17
SEA10:40 amSeattle/Tacoma Intl
23h 15m
2 stops
FLR6:55 pmFlorence Peretola
Aug 23
FLR10:45 amFlorence Peretola
16h 47m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$902
SWISS
Aug 19
SEA10:40 amSeattle/Tacoma Intl
23h 15m
2 stops
FLR6:55 pmFlorence Peretola
Aug 22
FLR10:45 amFlorence Peretola
16h 47m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,303

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 August 7, 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 Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

5:50 pm-6:30 pm

1 stop15h 40m

Florence Peretola

Thu 1/21

6:30 am-3:55 pm

1 stop18h 25m

$645

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

5:50 pm-6:30 pm

1 stop15h 40m

Florence Peretola

Fri 4/30

6:30 am-3:40 pm

1 stop18h 10m

$645

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

6:12 am-11:30 am

2 stops20h 18m

Florence Peretola

Thu 1/21

12:35 pm-12:35 am

2 stops21h 00m

$738
Quickest round-trip

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Sun 11/15

2:50 pm-12:30 pm

1 stop12h 40m

Florence Peretola

Thu 11/19

6:30 am-12:00 pm

1 stop14h 30m

$740

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

6:00 am-9:00 am

2 stops18h 00m

Florence Peretola

Thu 1/21

6:40 am-11:50 am

1 stop14h 10m

$743

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/25

6:50 am-1:50 pm

2 stops22h 00m

Florence Peretola

Thu 1/28

6:30 am-12:00 pm

1 stop14h 30m

$746

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

6:05 am-11:25 am

2 stops20h 20m

Florence Peretola

Thu 1/21

6:40 am-4:59 pm

2 stops19h 19m

$753

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Tue 11/3

4:05 pm-7:50 pm

1 stop18h 45m

Florence Peretola

Tue 11/24

6:40 am-11:47 am

1 stop14h 07m

$768

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Mon 11/2

6:45 pm-11:20 am

1 stop31h 35m

Florence Peretola

Mon 11/16

11:40 am-11:25 am

1 stop32h 45m

$786

SeattleFlorence

SEA Seattle/Tacoma Intl - FLR Florence Peretola

SEAFLR

Seattle/Tacoma Intl

Sat 11/21

2:35 pm-4:25 pm

1 stop16h 50m

Florence Peretola

Fri 11/27

6:40 am-11:47 am

1 stop14h 07m

$833

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?

Prices are currently low for flights on this route.

Typical prices usually range from $790 to $992.
The lowest price recently found on this route was $768.

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 $785.

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 $1,035 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 $715 on momondo.

Can stopping save me money on Seattle to Florence flights?

You could potentially save up to 18% 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 August 2026, prices for Seattle to Florence flights are approximately 18% 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

15h 40m

Direct flights

None
The fastest flight from Seattle to Florence takes 15h 40m
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 15h 40m.

  • 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
8,150 reviews
Search British Airways flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
10,080 reviews
Search United Airlines flights
DeltaPriceFrom $586Free CancellationRating
7.8
8,499 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $602Free CancellationRating
7.4
1,926 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $608Free CancellationRating
6.8
8,178 reviews
Search Lufthansa flights
Air FrancePriceFrom $633Free CancellationRating
7.5
1,637 reviews
Search Air France flights
KLMPriceFrom $703Free CancellationRating
7.8
1,555 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
Fiesole
Montecatini Terme
Pistoia
Arezzo
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.

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