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.

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?

British Airways, Lufthansa, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Florence Peretola

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?

British Airways, Delta and Lufthansa are the top three most popular airlines that fly to Florence from Seattle according to our data. British Airways is the first choice among our users, with 30% 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.

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 May 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.

$356 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 $1,504 to $921. The lowest price recently found on this route was $701.

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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.

6:10 pm - 10:20 pm

SEA

FLR

19h 10m

1 stop

6:30 am - 4:00 pm

FLR

SEA

18h 30m

1 stop

$701Multiple Airlines

Mon, Sep 7 - Fri, Sep 18

3:00 pm - 8:15 pm

SEA

FLR

20h 15m

2 stops

6:30 am - 9:51 am

FLR

SEA

36h 21m

2 stops

$714Multiple Airlines

Tue, Oct 13 - Tue, Nov 10

4:10 pm - 4:30 pm

SEA

FLR

16h 20m

1 stop

6:30 am - 6:26 pm

FLR

SEA

20h 56m

2 stops

$717Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

6:50 pm - 8:15 pm

SEA

FLR

16h 25m

1 stop

6:30 am - 9:56 pm

FLR

SEA

24h 26m

2 stops

$719Multiple Airlines

Tue, Oct 13 - Tue, Nov 10

4:10 pm - 12:35 pm

SEA

FLR

12h 25m

1 stop

6:30 am - 12:10 pm

FLR

SEA

14h 40m

1 stop

$729Lufthansa

Wed, Oct 28 - Thu, Nov 12

6:50 pm - 8:15 pm

SEA

FLR

16h 25m

1 stop

6:30 am - 12:10 pm

FLR

SEA

14h 40m

1 stop

$733Lufthansa

Tue, Oct 13 - Tue, Nov 10

6:50 pm - 4:35 pm

SEA

FLR

12h 45m

1 stop

8:15 am - 4:59 pm

FLR

SEA

17h 44m

1 stop

$738Lufthansa

Tue, Aug 11 - Thu, Aug 20

3:51 pm - 4:35 pm

SEA

FLR

15h 44m

2 stops

9:50 am - 4:59 pm

FLR

SEA

16h 09m

1 stop

$745United Airlines

Tue, Aug 11 - Thu, Aug 20

11:05 am - 4:35 pm

SEA

FLR

20h 30m

2 stops

6:30 am - 9:07 pm

FLR

SEA

23h 37m

2 stops

$754United Airlines

Tue, Aug 11 - Thu, Aug 20

3:33 pm - 10:35 pm

SEA

FLR

22h 02m

2 stops

6:30 am - 6:32 pm

FLR

SEA

21h 02m

2 stops

$768SWISS

Wed, Sep 16 - Wed, Sep 30

British Airways flights from Seattle to Florence

Our best British Airways deals on Seattle to Florence flight tickets

British Airways

Jul 28

SEA1:30 pmSeattle/Tacoma Intl

13h 05m

1 stop

FLR11:35 amFlorence Peretola

Aug 22

FLR7:10 amFlorence Peretola

13h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$841

British Airways

Sep 8

SEA1:30 pmSeattle/Tacoma Intl

23h 50m

1 stop

FLR10:20 pmFlorence Peretola

Sep 15

FLR7:05 amFlorence Peretola

13h 30m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$844

British Airways

Aug 17

SEA1:30 pmSeattle/Tacoma Intl

13h 00m

1 stop

FLR11:30 amFlorence Peretola

Aug 29

FLR7:10 amFlorence Peretola

13h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$861

SWISS flights from Seattle to Florence

Our best SWISS deals on Seattle to Florence flight tickets

SWISS

Sep 16

SEA3:33 pmSeattle/Tacoma Intl

22h 02m

2 stops

FLR10:35 pmFlorence Peretola

Sep 30

FLR6:30 amFlorence Peretola

21h 02m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$768

SWISS

Sep 17

SEA1:19 pmSeattle/Tacoma Intl

24h 16m

2 stops

FLR10:35 pmFlorence Peretola

Sep 29

FLR9:55 amFlorence Peretola

17h 37m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$823

SWISS

Sep 1

SEA10:45 amSeattle/Tacoma Intl

26h 50m

2 stops

FLR10:35 pmFlorence Peretola

Sep 15

FLR6:30 amFlorence Peretola

21h 02m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$843

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

$701

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

Wed 10/28

4:10 pm-4:30 pm

1 stop16h 20m

Florence Peretola

Thu 11/12

6:30 am-6:26 pm

2 stops20h 56m

$717

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

Quickest round-trip

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 10/28

4:10 pm-12:35 pm

1 stop12h 25m

Florence Peretola

Thu 11/12

6:30 am-12:10 pm

1 stop14h 40m

$729

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-12:10 pm

1 stop14h 40m

$733

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 8/11

6:50 pm-4:35 pm

1 stop12h 45m

Florence Peretola

Thu 8/20

8:15 am-4:59 pm

1 stop17h 44m

$738

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 8/11

3:51 pm-4:35 pm

2 stops15h 44m

Florence Peretola

Thu 8/20

9:50 am-4:59 pm

1 stop16h 09m

$745

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Tue 8/11

11:05 am-4:35 pm

2 stops20h 30m

Florence Peretola

Thu 8/20

6:30 am-9:07 pm

2 stops23h 37m

$754

SeattleFlorence

SEA - FLR

SEAFLR

Seattle/Tacoma Intl

Wed 9/16

3:33 pm-10:35 pm

2 stops22h 02m

Florence Peretola

Wed 9/30

6:30 am-6:32 pm

2 stops21h 02m

$768

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 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 $978 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 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 May 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 26% of all bookings. The subsequent popular airlines are Lufthansa at 21%, British Airways at 21%, 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 $466	Free Cancellation	Rating 6.7 7,946 reviews	Search British Airways flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 9,682 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 1,769 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $588	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Lufthansa	PriceFrom $596	Free Cancellation	Rating 6.8 7,972 reviews	Search Lufthansa flights
Air France	PriceFrom $633	Free Cancellation	Rating 7.4 1,583 reviews	Search Air France flights
KLM	PriceFrom $706	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights

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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Cheap flights from Seattle to Florence from $356

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 8/30. 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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British Airways flights from Seattle to Florence

Our best British Airways 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 from Seattle 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

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Fly your favorite airline to Florence

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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