$291 Cheap United flights from Key West to Seattle (EYW to SEA)

Find The Best Day To Fly from Key West to Seattle

Amazing United EYW to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $1,117 round trip and $291 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,117 Roundtrip, found 1 hour ago
$1,117
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,117 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,204 Roundtrip, found 1 hour ago
$1,204
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,204 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,225 Roundtrip, found 1 hour ago
$1,225
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,225 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,287 Roundtrip, found 1 hour ago
$1,287
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,287 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,314 Roundtrip, found 1 hour ago
$1,314
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,314 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,327 Roundtrip, found 1 hour ago
$1,327
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,327 found 1 hour ago
Sat, Aug 2 - Wed, Aug 6
EYW
Key West
SEA
Seattle
$1,388 Roundtrip, found 1 hour ago
$1,388
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 2 from Key West to Seattle, returning Wed, Aug 6, priced at $1,388 found 1 hour ago

Frequently asked questions

Can I catch a flight from Key West Intl. Airport to Sea-Tac Airport right now?
Make sure you check out our Covid-19 Travel Advisor to discover if there are any current travel advice reports and quarantine requirements in place in Seattle - Tacoma Intl. Airport (SEA) when flying in from Key West Intl. Airport (EYW).
What terminal is United Airlines at EYW?
The information printed on boarding passes can vary from airline to airline. If you're flying from EYW to Seattle - Tacoma Intl. Airport (SEA) with United Airlines and you can't find your terminal details, consult the airline.
Are there United Airlines non-stop flights from EYW to SEA?
Prepare to make at least one stopover when jetting from Key West Intl. Airport (EYW) to Sea-Tac Airport, as United Airlines doesn't offer direct flights between these two locations. While waiting for your connection, you might like to buy a gripping novel or an interesting magazine from the airport bookstore to make the time go faster.
How long is a United Airlines flight from EYW to SEA?
Watch your favorite TV show, listen to music through your headphones or just put your seat back and relax. Whatever you're into, find a way to entertain yourself during the 9 hours and 34 minutes that it takes to journey from EYW to SEA with United Airlines.
How many direct and indirect flights does United Airlines fly from EYW to SEA?
You'll have a great deal of flexibility if you're considering flying with United Airlines from EYW to SEA. It's currently operating at least 2 flights per day on this route.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Key West EYW to Seattle SEA 

To find the best deals on flights to Key West from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Key West EYW to Seattle SEA with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $1,117 to $1,388, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Key West EYW to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Key West to Seattle costs from $291. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Key West EYW with United 

To find a cheap United flight from Key West EYW to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Key West EYW to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Key West EYW to Seattle SEA with United 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Key West EYW to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Key West EYW with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.