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Cheap flights from Seattle to Florence from $375

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 9/20. 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 pm
SEA
-
FLR
15h 40m
1 stop
Multiple Airlines Logo
10:20 am - 3:55 pm
FLR
-
SEA
14h 35m
1 stop
$678Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
Multiple Airlines Logo
5:50 pm - 6:30 pm
SEA
-
FLR
15h 40m
1 stop
Multiple Airlines Logo
10:20 am - 3:55 pm
FLR
-
SEA
14h 35m
1 stop
$683Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
Delta Logo
6:00 am - 9:00 am
SEA
-
FLR
18h 00m
2 stops
Delta Logo
6:40 am - 11:50 am
FLR
-
SEA
14h 10m
1 stop
$742Delta
Mon, Jan 11 - Thu, Jan 21
Delta Logo
6:00 am - 9:00 am
SEA
-
FLR
18h 00m
2 stops
Delta Logo
6:40 am - 11:50 am
FLR
-
SEA
14h 10m
1 stop
$747Delta
Mon, Jan 11 - Thu, Jan 21
Multiple Airlines Logo
7:45 am - 12:35 pm
SEA
-
FLR
19h 50m
2 stops
Multiple Airlines Logo
6:30 am - 2:37 pm
FLR
-
SEA
17h 07m
2 stops
$748Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
United Airlines Logo
11:59 pm - 4:30 pm
SEA
-
FLR
31h 31m
2 stops
United Airlines Logo
6:30 am - 12:00 pm
FLR
-
SEA
14h 30m
1 stop
$749United Airlines
Sat, Dec 12 - Thu, Dec 24
Multiple Airlines Logo
7:45 am - 12:35 pm
SEA
-
FLR
19h 50m
2 stops
Multiple Airlines Logo
6:30 am - 2:37 pm
FLR
-
SEA
17h 07m
2 stops
$753Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
Multiple Airlines Logo
7:00 am - 1:40 pm
SEA
-
FLR
21h 40m
2 stops
Multiple Airlines Logo
6:30 am - 2:37 pm
FLR
-
SEA
17h 07m
2 stops
$754Multiple Airlines
Mon, Jan 11 - Thu, Jan 21
United Airlines Logo
11:59 pm - 4:30 pm
SEA
-
FLR
31h 31m
2 stops
United Airlines Logo
6:30 am - 8:59 pm
FLR
-
SEA
47h 29m
2 stops
$757United Airlines
Sat, Dec 12 - Thu, Dec 24
United Airlines Logo
11:59 pm - 4:30 pm
SEA
-
FLR
31h 31m
2 stops
United Airlines Logo
6:30 am - 11:16 pm
FLR
-
SEA
25h 46m
3 stops
$759United Airlines
Sat, Dec 12 - Thu, Dec 24

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United Airlines flights from Seattle to Florence

Our best United Airlines deals on Seattle to Florence flight tickets
United Airlines
Dec 12
SEA11:59 pmSeattle/Tacoma Intl
31h 31m
2 stops
FLR4:30 pmFlorence Peretola
Dec 24
FLR6:30 amFlorence Peretola
14h 30m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$749
United Airlines
Dec 12
SEA11:59 pmSeattle/Tacoma Intl
31h 31m
2 stops
FLR4:30 pmFlorence Peretola
Dec 24
FLR6:30 amFlorence Peretola
47h 29m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
$757
United Airlines
Dec 12
SEA11:59 pmSeattle/Tacoma Intl
31h 31m
2 stops
FLR4:30 pmFlorence Peretola
Dec 24
FLR6:30 amFlorence Peretola
25h 46m
3 stops
SEA11:16 pmSeattle/Tacoma Intl
$759

KLM flights from Seattle to Florence

Our best KLM deals on Seattle to Florence flight tickets
KLM
Nov 3
SEA4:05 pmSeattle/Tacoma Intl
18h 45m
1 stop
FLR7:50 pmFlorence Peretola
Nov 24
FLR6:40 amFlorence Peretola
14h 07m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$773
KLM
Jul 24
SEA1:30 pmSeattle/Tacoma Intl
15h 55m
1 stop
FLR2:25 pmFlorence Peretola
Jul 28
FLR6:30 amFlorence Peretola
18h 50m
1 stop
SEA4:20 pmSeattle/Tacoma Intl
$1,097

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 July 23, 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
Quickest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

5:50 pm-6:30 pm

1 stop15h 40m

Florence Peretola

Thu 1/21

10:20 am-3:55 pm

1 stop14h 35m

$678

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

5:50 pm-6:30 pm

1 stop15h 40m

Florence Peretola

Thu 1/21

10:20 am-3:55 pm

1 stop14h 35m

$683

SeattleFlorence

SEA - FLR

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

$742

SeattleFlorence

SEA - FLR

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

$747

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

7:45 am-12:35 pm

2 stops19h 50m

Florence Peretola

Thu 1/21

6:30 am-2:37 pm

2 stops17h 07m

$748

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Sat 12/12

11:59 pm-4:30 pm

2 stops31h 31m

Florence Peretola

Thu 12/24

6:30 am-12:00 pm

1 stop14h 30m

$749

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

7:45 am-12:35 pm

2 stops19h 50m

Florence Peretola

Thu 1/21

6:30 am-2:37 pm

2 stops17h 07m

$753

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 1/11

7:00 am-1:40 pm

2 stops21h 40m

Florence Peretola

Thu 1/21

6:30 am-2:37 pm

2 stops17h 07m

$754

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Sat 12/12

11:59 pm-4:30 pm

2 stops31h 31m

Florence Peretola

Thu 12/24

6:30 am-8:59 pm

2 stops47h 29m

$757

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Sat 12/12

11:59 pm-4:30 pm

2 stops31h 31m

Florence Peretola

Thu 12/24

6:30 am-11:16 pm

3 stops25h 46m

$759

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $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 $1,045 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 $677 on momondo.

Can stopping save me money on Seattle to Florence flights?

You could potentially save up to 3% 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 July 2026, prices for Seattle to Florence flights are approximately 48% 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
8,127 reviews
Search British Airways flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights
DeltaPriceFrom $586Free CancellationRating
7.8
8,479 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $602Free CancellationRating
7.4
1,895 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $608Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights
Air FrancePriceFrom $633Free CancellationRating
7.4
1,628 reviews
Search Air France flights
KLMPriceFrom $668Free CancellationRating
7.8
1,544 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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