Which layover airport offers the lowest fares from Seattle to Florence?

Flights via London (LHR) offer the lowest average round-trip price of $561.

What airlines fly to Florence?

Delta, British Airways and Lufthansa are the top three most popular airlines that fly to Florence from Seattle according to our data. Delta is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Florence. Keep in mind that there are 7 different airlines that fly to Florence on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Florence?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 12h 35m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Florence Peretola?

United Airlines and SWISS are the most popular carriers operating from Seattle/Tacoma Intl to Florence Peretola

Which airport is the most popular layover for flights between Seattle and Florence?

London (LHR) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Seattle to Florence?

London (LHR) has the shortest average layover time for this route: 1h 20m.

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?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Florence Peretola Airport is 7 as of April 2026.

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.

$345 Cheap Flights from Seattle to Florence in 2026

Q: 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 $963 to $732. The lowest price recently found on this route was $742.

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Find the cheapest flights from Seattle to Florence

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:55 pm - 11:30 am

SEA

FLR

34h 35m

1 stop

7:55 pm - 1:45 pm

FLR

SEA

26h 50m

1 stop

$742Scandinavian Airlines

Tue, Sep 8 - Fri, Sep 25

5:00 am - 12:40 pm

SEA

FLR

22h 40m

2 stops

9:50 am - 4:59 pm

FLR

SEA

16h 09m

1 stop

$748United Airlines

Mon, Aug 3 - Wed, Aug 19

5:00 am - 12:40 pm

SEA

FLR

22h 40m

2 stops

6:30 am - 8:43 pm

FLR

SEA

23h 13m

2 stops

$756United Airlines

Mon, Aug 3 - Wed, Aug 19

3:55 pm - 11:05 am

SEA

FLR

34h 10m

1 stop

12:20 pm - 1:45 pm

FLR

SEA

34h 25m

1 stop

$762Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

3:33 pm - 6:55 pm

SEA

FLR

18h 22m

2 stops

10:45 am - 6:32 pm

FLR

SEA

16h 47m

2 stops

$768SWISS

Tue, Sep 8 - Tue, Sep 15

6:50 pm - 8:15 pm

SEA

FLR

16h 25m

1 stop

9:50 am - 4:59 pm

FLR

SEA

16h 09m

1 stop

$769Lufthansa

Tue, Sep 22 - Tue, Sep 29

6:40 pm - 7:40 pm

SEA

FLR

16h 00m

1 stop

6:30 am - 11:52 am

FLR

SEA

14h 22m

1 stop

$770Delta

Wed, Oct 14 - Fri, Oct 23

11:15 am - 7:40 pm

SEA

FLR

23h 25m

2 stops

11:20 am - 11:52 am

FLR

SEA

33h 32m

1 stop

$775Delta

Wed, Oct 14 - Thu, Oct 22

3:33 pm - 6:55 pm

SEA

FLR

18h 22m

2 stops

6:30 am - 6:59 pm

FLR

SEA

21h 29m

2 stops

$777SWISS

Tue, Sep 8 - Fri, Sep 25

5:00 am - 4:35 pm

SEA

FLR

26h 35m

2 stops

6:30 am - 10:42 pm

FLR

SEA

25h 12m

2 stops

$778United Airlines

Wed, Oct 14 - Thu, Oct 22

Scandinavian Airlines flights from Seattle to Florence

Our best Scandinavian Airlines deals on Seattle to Florence flight tickets

Scandinavian Airlines

Sep 8

SEA3:55 pmSeattle/Tacoma Intl

34h 35m

1 stop

FLR11:30 amFlorence Peretola

Sep 25

FLR7:55 pmFlorence Peretola

26h 50m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$742

Scandinavian Airlines

Sep 18

SEA3:55 pmSeattle/Tacoma Intl

34h 10m

1 stop

FLR11:05 amFlorence Peretola

Oct 2

FLR12:20 pmFlorence Peretola

34h 25m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$762

Scandinavian Airlines

Sep 10

SEA2:30 pmSeattle/Tacoma Intl

19h 35m

2 stops

FLR7:05 pmFlorence Peretola

Sep 24

FLR12:20 pmFlorence Peretola

34h 25m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$829

SWISS flights from Seattle to Florence

Our best SWISS deals on Seattle to Florence flight tickets

SWISS

Sep 8

SEA3:33 pmSeattle/Tacoma Intl

18h 22m

2 stops

FLR6:55 pmFlorence Peretola

Sep 15

FLR10:45 amFlorence Peretola

16h 47m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$768

SWISS

Sep 8

SEA3:33 pmSeattle/Tacoma Intl

18h 22m

2 stops

FLR6:55 pmFlorence Peretola

Sep 25

FLR6:30 amFlorence Peretola

21h 29m

2 stops

SEA6:59 pmSeattle/Tacoma Intl

$777

SWISS

Oct 14

SEA7:00 amSeattle/Tacoma Intl

18h 00m

2 stops

FLR10:00 amFlorence Peretola

Oct 23

FLR6:30 amFlorence Peretola

24h 59m

2 stops

SEA10:29 pmSeattle/Tacoma Intl

$790

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-11:30 am

1 stop34h 35m

Florence Peretola

Fri 9/25

7:55 pm-1:45 pm

1 stop26h 50m

$742

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 8/3

5:00 am-12:40 pm

2 stops22h 40m

Florence Peretola

Wed 8/19

9:50 am-4:59 pm

1 stop16h 09m

$748

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Mon 8/3

5:00 am-12:40 pm

2 stops22h 40m

Florence Peretola

Wed 8/19

6:30 am-8:43 pm

2 stops23h 13m

$756

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-11:05 am

1 stop34h 10m

Florence Peretola

Fri 10/2

12:20 pm-1:45 pm

1 stop34h 25m

$762

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 9/8

3:33 pm-6:55 pm

2 stops18h 22m

Florence Peretola

Tue 9/15

10:45 am-6:32 pm

2 stops16h 47m

$768

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 9/22

6:50 pm-8:15 pm

1 stop16h 25m

Florence Peretola

Tue 9/29

9:50 am-4:59 pm

1 stop16h 09m

$769

Quickest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 10/14

6:40 pm-7:40 pm

1 stop16h 00m

Florence Peretola

Fri 10/23

6:30 am-11:52 am

1 stop14h 22m

$770

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 10/14

11:15 am-7:40 pm

2 stops23h 25m

Florence Peretola

Thu 10/22

11:20 am-11:52 am

1 stop33h 32m

$775

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 9/8

3:33 pm-6:55 pm

2 stops18h 22m

Florence Peretola

Fri 9/25

6:30 am-6:59 pm

2 stops21h 29m

$777

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 10/14

5:00 am-4:35 pm

2 stops26h 35m

Florence Peretola

Thu 10/22

6:30 am-10:42 pm

2 stops25h 12m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $697.

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 $924 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 24% 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 April 2026, prices for Seattle to Florence flights are approximately 21% more expensive 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 45m
Direct flights	None

The fastest flight from Seattle to Florence takes 12h 45m

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 45m.
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?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Florence Peretola Airport is 7 as of April 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Seattle to Florence is Delta, representing 27% of all bookings. The subsequent popular airlines are Lufthansa at 23%, British Airways at 19%, and KLM at 14%.

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 Airways	PriceFrom $459	Free Cancellation	Rating 6.7 7,892 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $474	Free Cancellation	Rating 7.3 1,751 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
Delta	PriceFrom $588	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
Lufthansa	PriceFrom $596	Free Cancellation	Rating 6.8 7,930 reviews	Search Lufthansa flights
Air France	PriceFrom $633	Free Cancellation	Rating 7.4 1,572 reviews	Search Air France flights
KLM	PriceFrom $706	Free Cancellation	Rating 7.8 1,502 reviews	Search KLM flights

Prato

Siena

San Gimignano

Montecatini Terme

Arezzo

Colle di Val d'Elsa

Pistoia

Monteriggioni

Fiesole

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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Cheap flights from Seattle to Florence from $345

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Seattle to Florence

Our best Scandinavian Airlines deals on Seattle to Florence flight tickets

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Our best SWISS deals on Seattle to Florence flight tickets

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How to get the cheapest flight ticket from Seattle to Florence

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

What is the cheapest month to fly to Florence?

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

Can stopping save me money on Seattle to Florence flights?

How have Seattle to Florence flight prices changed over time?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Florence Peretola?

What airlines fly to Florence?

Which airport is the most popular layover for flights between Seattle and Florence?

Which layover airport offers the lowest fares from Seattle to Florence?

Which layover airport has the shortest travel time from Seattle to Florence?

Which layover airport has the shortest connection time from Seattle to Florence?

When to book flights from Seattle to Florence

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

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Florence?

Why use momondo?

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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Florence

List of cabin classes available on flights landing in Florence. Availability may vary depending on flight origin and airline.

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