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Cheap flights from Seattle to Florence from $312

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 2/28. 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.
Lufthansa Logo
3:10 pm - 4:30 pm
SEA
-
FLR
16h 20m1 stop
Lufthansa Logo
6:30 am - 1:20 pm
FLR
-
SEA
15h 50m1 stop
$432Lufthansa
Wed, Jan 21 - Wed, Jan 28
Lufthansa Logo
3:10 pm - 10:00 pm
SEA
-
FLR
21h 50m1 stop
Lufthansa Logo
6:30 am - 12:10 pm
FLR
-
SEA
14h 40m1 stop
$438Lufthansa
Sun, Feb 15 - Sat, Feb 28
British Airways Logo
6:50 pm - 11:20 am
SEA
-
FLR
31h 30m1 stop
British Airways Logo
11:40 am - 11:30 am
FLR
-
SEA
32h 50m1 stop
$441British Airways
Mon, Feb 16 - Mon, Mar 2
Multiple Airlines Logo
3:10 pm - 10:00 pm
SEA
-
FLR
21h 50m1 stop
Multiple Airlines Logo
9:35 am - 11:30 pm
FLR
-
SEA
22h 55m2 stops
$448Multiple Airlines
Sun, Feb 15 - Sat, Feb 28
Lufthansa Logo
2:00 pm - 1:35 pm
SEA
-
FLR
14h 35m1 stop
Lufthansa Logo
6:30 am - 7:03 pm
FLR
-
SEA
21h 33m2 stops
$450Lufthansa
Mon, Feb 16 - Mon, Mar 2
Lufthansa Logo
3:10 pm - 8:40 pm
SEA
-
FLR
20h 30m1 stop
Lufthansa Logo
6:35 am - 7:03 pm
FLR
-
SEA
21h 28m2 stops
$452Lufthansa
Wed, Feb 11 - Fri, Feb 20
Lufthansa Logo
3:10 pm - 8:40 pm
SEA
-
FLR
20h 30m1 stop
Lufthansa Logo
6:30 am - 1:20 pm
FLR
-
SEA
15h 50m1 stop
$454Lufthansa
Wed, Feb 11 - Wed, Feb 18
Lufthansa Logo
2:00 pm - 10:15 pm
SEA
-
FLR
23h 15m1 stop
Lufthansa Logo
6:30 am - 1:10 pm
FLR
-
SEA
14h 40m1 stop
$457Lufthansa
Thu, Mar 5 - Thu, Mar 12
Lufthansa Logo
2:00 pm - 1:35 pm
SEA
-
FLR
14h 35m1 stop
Lufthansa Logo
6:30 am - 12:10 pm
FLR
-
SEA
14h 40m1 stop
$459Lufthansa
Mon, Feb 16 - Mon, Mar 2
Multiple Airlines Logo
3:10 pm - 8:40 pm
SEA
-
FLR
20h 30m1 stop
Multiple Airlines Logo
6:35 am - 8:56 pm
FLR
-
SEA
23h 21m2 stops
$461Multiple Airlines
Wed, Feb 11 - Wed, Feb 18

Delta flights from Seattle to Florence

Our best Delta deals on Seattle to Florence flight tickets
Delta
Feb 11
SEA2:15 pmSeattle/Tacoma Intl
20h 35m
1 stop
FLR7:50 pmFlorence Peretola
Feb 18
FLR6:50 amFlorence Peretola
18h 58m
2 stops
SEA4:48 pmSeattle/Tacoma Intl
$481
Delta
Jan 16
SEA2:10 pmSeattle/Tacoma Intl
33h 45m
1 stop
FLR8:55 amFlorence Peretola
Feb 16
FLR12:20 pmFlorence Peretola
32h 20m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$524
Delta
Jan 16
SEA2:10 pmSeattle/Tacoma Intl
33h 45m
1 stop
FLR8:55 amFlorence Peretola
Feb 14
FLR6:40 amFlorence Peretola
14h 00m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$574

United Airlines flights from Seattle to Florence

Our best United Airlines deals on Seattle to Florence flight tickets
United Airlines
Jan 20
SEA8:40 amSeattle/Tacoma Intl
18h 55m
2 stops
FLR12:35 pmFlorence Peretola
Jan 27
FLR9:35 amFlorence Peretola
39h 09m
3 stops
SEA3:44 pmSeattle/Tacoma Intl
$480
United Airlines
Feb 4
SEA7:00 amSeattle/Tacoma Intl
21h 50m
2 stops
FLR1:50 pmFlorence Peretola
Feb 8
FLR8:00 amFlorence Peretola
23h 16m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$488
United Airlines
Feb 4
SEA10:58 amSeattle/Tacoma Intl
17h 52m
2 stops
FLR1:50 pmFlorence Peretola
Feb 8
FLR6:30 amFlorence Peretola
23h 42m
2 stops
SEA9:12 pmSeattle/Tacoma Intl
$489

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 8, 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 1/21

3:10 pm-4:30 pm

1 stop16h 20m

Florence Peretola

Wed 1/28

6:30 am-1:20 pm

1 stop15h 50m

$432

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Sun 2/15

3:10 pm-10:00 pm

1 stop21h 50m

Florence Peretola

Sat 2/28

6:30 am-12:10 pm

1 stop14h 40m

$438

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/16

6:50 pm-11:20 am

1 stop31h 30m

Florence Peretola

Mon 3/2

11:40 am-11:30 am

1 stop32h 50m

$441

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Sun 2/15

3:10 pm-10:00 pm

1 stop21h 50m

Florence Peretola

Sat 2/28

9:35 am-11:30 pm

2 stops22h 55m

$448

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/16

2:00 pm-1:35 pm

1 stop14h 35m

Florence Peretola

Mon 3/2

6:30 am-7:03 pm

2 stops21h 33m

$450

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 2/11

3:10 pm-8:40 pm

1 stop20h 30m

Florence Peretola

Fri 2/20

6:35 am-7:03 pm

2 stops21h 28m

$452

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 2/11

3:10 pm-8:40 pm

1 stop20h 30m

Florence Peretola

Wed 2/18

6:30 am-1:20 pm

1 stop15h 50m

$454

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Thu 3/5

2:00 pm-10:15 pm

1 stop23h 15m

Florence Peretola

Thu 3/12

6:30 am-1:10 pm

1 stop14h 40m

$457

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 2/16

2:00 pm-1:35 pm

1 stop14h 35m

Florence Peretola

Mon 3/2

6:30 am-12:10 pm

1 stop14h 40m

$459

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 2/11

3:10 pm-8:40 pm

1 stop20h 30m

Florence Peretola

Wed 2/18

6:35 am-8:56 pm

2 stops23h 21m

$461

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 March instead. Flights to Florence in March, while not as cheap as those in February, still average around $784.

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 $999 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 42% 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 27% 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

13h 00m

Direct flights

None
The fastest flight from Seattle to Florence takes 13h 00m
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 13h 00m.

  • 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
1,635 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,692 reviews
Search Lufthansa flights
Air FrancePriceFrom $678Free CancellationRating
7.4
1,519 reviews
Search Air France flights
British AirwaysPriceFrom $684Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
DeltaPriceFrom $690Free CancellationRating
7.9
8,025 reviews
Search Delta flights
KLMPriceFrom $718Free CancellationRating
7.7
1,434 reviews
Search KLM flights
SWISSPriceFrom $777Free CancellationRating
7.5
1,840 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

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