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$521+ Cheap flights from Florence, SC to Seattle (FLO - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
FLO — SEA
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Florence to Seattle

Cheapest flights from Florence to Seattle
Explore the most affordable flight options available from Florence to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:22 pm
FLO
-
SEA
1 stop9h 37m
American Airlines
Fri 8/2812:15 pm
SEA
-
FLO
1 stop7h 44m
American Airlines
Deal found 7/25$521
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:09 am
FLO
-
SEA
1 stop10h 18m
American Airlines
Sun 10/1111:03 am
SEA
-
FLO
1 stop9h 54m
American Airlines
Deal found 7/23$607
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:22 pm
FLO
-
SEA
1 stop9h 37m
American Airlines
Tue 8/115:10 am
SEA
-
FLO
1 stop6h 46m
American Airlines
Deal found 7/23$669

Find flight deals from Florence to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Florence (FLO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$521
(American Airlines)
Provider with most accurate pricing for Florence-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Florence-Seattle/Tacoma Intl flights.
Search Deals
From Florence to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Florence to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Florence to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlorenceSeattle

FLO - SEA

FLOSEA

Florence

Tue 8/18

3:22 pm-9:59 pm

1 stop9h 37m

Seattle/Tacoma Intl

Fri 8/28

12:15 pm-10:59 pm

1 stop7h 44m

$521

FlorenceSeattle

FLO - SEA

FLOSEA

Florence

Thu 10/8

5:09 am-12:27 pm

1 stop10h 18m

Seattle/Tacoma Intl

Sun 10/11

11:03 am-11:57 pm

1 stop9h 54m

$607
Quickest round-trip

FlorenceSeattle

FLO - SEA

FLOSEA

Florence

Fri 8/7

3:22 pm-9:59 pm

1 stop9h 37m

Seattle/Tacoma Intl

Tue 8/11

5:10 am-2:56 pm

1 stop6h 46m

$669

FlorenceSeattle

FLO - SEA

FLOSEA

Florence

Fri 10/9

5:09 am-2:55 pm

2 stops12h 46m

Seattle/Tacoma Intl

Sat 10/10

12:25 am-2:09 pm

2 stops10h 44m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first

Compare providers for flights from Florence to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Florence to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Florence, South Carolina-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Florence, South Carolina-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Florence, South Carolina-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Florence, South Carolina-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Florence, South Carolina-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Florence to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Florence with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Florence to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Florence, South Carolina to Seattle?

    Departing from Florence, South Carolina to Seattle will take you 9h 37m. Florence, South Carolina and Seattle are separated by a distance of 2370 mi.

  • Can I find deals for flights from Florence to Seattle that include hotel bookings?

    Yes. In addition to deals on Florence to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Florence to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florence to Seattle.

  • Can I find deals for business class flights from Florence to Seattle?

    Yes. Cheapflights offers flight deals from Florence to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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