Cheap flights from Seattle to Key West (SEA - EYW) from $186

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — EYW
Apr 23 — Apr 301

The best prices from Seattle/Tacoma Intl to Key West are usually found in August or October, booked 88 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Seattle to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Key West (EYW). 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 April 18, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$374

One-way from

$234
High demand for flights, 29% potential price rise
Best time to find cheap flights, 19% potential price drop
From Seattle/Tacoma Intl to Key West
One-way flight from Seattle/Tacoma Intl to Key West

What is the cheapest day to fly round-trip from Seattle to Key West?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 58% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Seattle to Key West?

Travelers have found it’s best to book a flight 42 days in advance to save up to 86% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Key West 1-2 weeks in advance for as low as $697, or $838 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Key West?

August is one of the best times of the year to fly to Key West from Seattle. Prices for August average $679 per person but you can even find prices for as low as $444. The most expensive prices can be found in the month of December. Opting for a August flight can save you 41% on your journey compared to booking in December

When is the cheapest time to fly from Seattle to Key West (SEA - EYW)?

One of the essential ways to save on airfare from Seattle to Key West is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.

Cheap United Airlines flights from Seattle to Key West

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Seattle to Key West. Make sure to check back often as deals are often changing.
Tue 8/2012:55 pmSEA - EYW
3 stops22h 14mUnited Airlines
Tue 8/2711:30 amEYW - SEA
2 stops16h 53mUnited Airlines
Deal found 4/17$552
Tue 8/2011:05 amSEA - EYW
2 stops24h 20mUnited Airlines
Tue 8/2711:30 amEYW - SEA
2 stops16h 53mUnited Airlines
Deal found 4/17$558
Wed 9/186:45 pmSEA - EYW
2 stops17h 40mUnited Airlines
Wed 10/23:35 pmEYW - SEA
2 stops21h 31mUnited Airlines
Deal found 4/16$567
Wed 9/186:45 pmSEA - EYW
2 stops17h 40mUnited Airlines
Wed 10/23:35 pmEYW - SEA
3 stops23h 07mUnited Airlines
Deal found 4/16$572
Tue 8/2012:55 pmSEA - EYW
3 stops22h 14mUnited Airlines
Tue 8/273:23 pmEYW - SEA
3 stops23h 23mUnited Airlines
Deal found 4/17$590
Sat 5/44:41 pmSEA - EYW
2 stops21h 43mUnited Airlines
Tue 5/711:30 amEYW - SEA
2 stops31h 01mUnited Airlines
Deal found 4/17$606
Sun 8/256:45 pmSEA - EYW
2 stops17h 40mUnited Airlines
Fri 9/63:23 pmEYW - SEA
2 stops19h 34mUnited Airlines
Deal found 4/17$629
Tue 8/208:53 amSEA - EYW
3 stops26h 32mUnited Airlines
Tue 8/273:23 pmEYW - SEA
3 stops23h 23mUnited Airlines
Deal found 4/17$691
Sat 5/44:41 pmSEA - EYW
2 stops21h 43mUnited Airlines
Tue 5/78:10 pmEYW - SEA
2 stops25h 35mUnited Airlines
Deal found 4/18$707

Cheap Delta flights from Seattle to Key West

Explore cheap flight options specifically provided by Delta for the route between Seattle and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Have a look at some of the cheapest available Delta flights departing from Seattle and landing in Key West. Make sure to examine the flight information before completing your reservation.
Sun 10/66:15 amSEA - EYW
1 stop7h 54mDelta
Fri 10/112:35 pmEYW - SEA
1 stop10h 43mDelta
Deal found 4/18$718
Sun 10/65:30 pmSEA - EYW
2 stops15h 18mDelta
Fri 10/112:35 pmEYW - SEA
1 stop10h 43mDelta
Deal found 4/17$721
Sat 10/512:30 amSEA - EYW
2 stops13h 39mDelta
Fri 10/112:35 pmEYW - SEA
1 stop10h 43mDelta
Deal found 4/18$1,546
Tue 4/2312:35 amSEA - EYW
2 stops13h 40mDelta
Sun 4/2811:42 amEYW - SEA
2 stops14h 30mDelta
Deal found 4/18$1,579
Tue 4/2312:35 amSEA - EYW
2 stops13h 40mDelta
Sun 4/2811:42 amEYW - SEA
2 stops14h 30mDelta
Deal found 4/17$1,609
Tue 4/2312:35 amSEA - EYW
2 stops13h 40mDelta
Sun 4/281:55 pmEYW - SEA
1 stop11h 18mDelta
Deal found 4/17$1,771
Sat 10/55:30 pmSEA - EYW
2 stops15h 18mDelta
Sat 10/127:00 amEYW - SEA
2 stops14h 04mDelta
Deal found 4/17$1,819
Tue 4/2312:35 amSEA - EYW
2 stops13h 40mDelta
Sun 4/2811:42 amEYW - SEA
1 stop11h 08mDelta
Deal found 4/18$1,881
Wed 5/156:00 amSEA - EYW
1 stop10h 40mDelta
Wed 5/226:10 pmEYW - SEA
1 stop9h 11mDelta
Deal found 4/17$1,898

Cheap Seattle to Key West flights in April & May 2024

Find cheap flight options from Seattle to Key West specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Prices were last updated on April 18, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Key West in 2024. Check back in a little while for more flight options.
Tue 5/149:35 amSEA - EYW
3 stops25h 50mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$453
Tue 5/149:35 amSEA - EYW
2 stops23h 20mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$515
Wed 5/155:45 pmSEA - EYW
2 stops19h 40mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$527
Tue 5/149:35 amSEA - EYW
3 stops25h 50mMultiple Airlines
Fri 5/174:05 pmEYW - SEA
3 stops19h 40mMultiple Airlines
Deal found 4/17$555
Wed 5/155:45 pmSEA - EYW
3 stops20h 05mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$556
Sat 5/44:41 pmSEA - EYW
2 stops21h 43mUnited Airlines
Tue 5/711:30 amEYW - SEA
2 stops31h 01mUnited Airlines
Deal found 4/17$606
Wed 5/1511:43 pmSEA - EYW
1 stop8h 18mAmerican Airlines
Fri 5/175:09 pmEYW - SEA
1 stop8h 32mAmerican Airlines
Deal found 4/17$625
Mon 5/131:15 amSEA - EYW
1 stop7h 54mAmerican Airlines
Fri 5/175:09 pmEYW - SEA
1 stop8h 32mAmerican Airlines
Deal found 4/17$626
Mon 5/131:15 amSEA - EYW
1 stop7h 54mAmerican Airlines
Fri 5/172:11 pmEYW - SEA
2 stops11h 54mAmerican Airlines
Deal found 4/17$631

Seattle to Key West 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Key West in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Key West in 2024. Check back in a little while for more flight options.
Tue 5/149:35 amSEA - EYW
3 stops25h 50mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$453
Tue 5/149:35 amSEA - EYW
2 stops23h 20mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$515
Wed 5/155:45 pmSEA - EYW
2 stops19h 40mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$527
Tue 8/2012:55 pmSEA - EYW
3 stops22h 14mUnited Airlines
Tue 8/2711:30 amEYW - SEA
2 stops16h 53mUnited Airlines
Deal found 4/17$552
Tue 5/149:35 amSEA - EYW
3 stops25h 50mMultiple Airlines
Fri 5/174:05 pmEYW - SEA
3 stops19h 40mMultiple Airlines
Deal found 4/17$555
Wed 5/155:45 pmSEA - EYW
3 stops20h 05mMultiple Airlines
Fri 5/1710:37 amEYW - SEA
2 stops25h 08mMultiple Airlines
Deal found 4/17$556
Tue 8/2011:05 amSEA - EYW
2 stops24h 20mUnited Airlines
Tue 8/2711:30 amEYW - SEA
2 stops16h 53mUnited Airlines
Deal found 4/17$558
Wed 9/186:45 pmSEA - EYW
2 stops17h 40mUnited Airlines
Wed 10/23:35 pmEYW - SEA
2 stops21h 31mUnited Airlines
Deal found 4/16$567
Wed 9/186:45 pmSEA - EYW
2 stops17h 40mUnited Airlines
Wed 10/23:35 pmEYW - SEA
3 stops23h 07mUnited Airlines
Deal found 4/16$572

Seattle to Key West flights leaving soon

Find last-minute flight options from Seattle to Key West for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Check out these flights departing soon from Seattle to Key West. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 4/246:00 pmSEA - EYW
2 stops17h 34mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
2 stops24h 00mMultiple Airlines
Deal found 4/18$763
Tue 4/239:38 amSEA - EYW
3 stops25h 47mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
2 stops24h 00mMultiple Airlines
Deal found 4/18$770
Wed 4/246:00 pmSEA - EYW
3 stops41h 40mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
2 stops24h 00mMultiple Airlines
Deal found 4/17$773
Wed 4/246:00 pmSEA - EYW
2 stops17h 34mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
2 stops24h 00mMultiple Airlines
Deal found 4/17$784
Wed 4/246:00 pmSEA - EYW
3 stops41h 40mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
3 stops31h 40mMultiple Airlines
Deal found 4/17$796
Tue 4/239:38 amSEA - EYW
3 stops25h 47mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
3 stops35h 44mMultiple Airlines
Deal found 4/18$797
Wed 4/246:00 pmSEA - EYW
3 stops41h 40mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
3 stops35h 44mMultiple Airlines
Deal found 4/18$800
Tue 4/239:38 amSEA - EYW
3 stops25h 47mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
2 stops24h 00mMultiple Airlines
Deal found 4/17$827
Tue 4/239:38 amSEA - EYW
3 stops25h 47mMultiple Airlines
Sun 4/2811:45 amEYW - SEA
3 stops31h 40mMultiple Airlines
Deal found 4/17$850

One-way flights to Key West from Seattle

Search for one-way flight options from Seattle to Key West. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Users in need of a one-way flight from Seattle to Key West can choose from these deals. Users needing a return flight from Seattle to Key West should utilize the search form above.
Wed 6/59:28 amSEA - EYW
2 stops27h 46mMultiple Airlines
Deal found 4/17$186
Tue 6/49:35 amSEA - EYW
3 stops31h 00mMultiple Airlines
Deal found 4/17$234
Wed 6/59:40 pmSEA - EYW
1 stop11h 26mAmerican Airlines
Deal found 4/17$268
Mon 6/31:15 amSEA - EYW
1 stop7h 54mAmerican Airlines
Deal found 4/17$269
Wed 6/125:53 amSEA - EYW
2 stops10h 06mAmerican Airlines
Deal found 4/17$273
Mon 6/31:15 amSEA - EYW
2 stops11h 53mAmerican Airlines
Deal found 4/17$274
Fri 5/177:37 pmSEA - EYW
2 stops12h 11mDelta
Deal found 4/17$347
Fri 5/177:59 pmSEA - EYW
2 stops14h 01mDelta
Deal found 4/18$357
Fri 5/1711:43 pmSEA - EYW
1 stop8h 18mAmerican Airlines
Deal found 4/17$358

Find flights from Seattle to Key West within your budget

Customize your flight search to find flights from Seattle to Key West 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 3,192,047 searches. Data last updated April 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$453 - $718

Route

Depart

Return

Price

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 5/14

3 stops25h 50m

Key West

Fri 5/17

2 stops25h 08m

$453

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 5/14

2 stops23h 20m

Key West

Fri 5/17

2 stops25h 08m

$515

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 5/15

2 stops19h 40m

Key West

Fri 5/17

2 stops25h 08m

$527

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/20

3 stops22h 14m

Key West

Tue 8/27

2 stops16h 53m

$552

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/20

2 stops24h 20m

Key West

Tue 8/27

2 stops16h 53m

$558

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Wed 9/18

2 stops17h 40m

Key West

Wed 10/2

2 stops21h 31m

$567

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Tue 8/20

1 stop8h 17m

Key West

Tue 8/27

1 stop12h 00m

$595

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Thu 7/4

1 stop9h 05m

Key West

Sun 7/7

1 stop10h 59m

$596

Seattle/Tacoma IntlKey West

SEA - EYW

SEAEYW

Seattle/Tacoma Intl

Sun 10/6

1 stop7h 54m

Key West

Fri 10/11

1 stop10h 43m

$718

Flights are sorted by cheapest first

Deals found on 4/17

When is the best time to book a flight from Seattle to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Key West. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Key West, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Seattle to Key West?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Key West. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Key West flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Key West by month

Plan your trip from Seattle to Key West by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Key West is currently $285 while a round-trip flight costs $565. Price data was last updated on April 14, 2024.

Currently, January is the cheapest month in which you can book a flight from Seattle to Key West (average of $374). Flying from Seattle to Key West in March is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$374

February

$415

March

$504

April

$482

May

$475

June

$494

July

$465

August

$385

September

$413

October

$468

November

$450

December

$398

Temperature and rainfall in Key West by month

Plan your trip to Key West by taking into account the average temperature and rainfall totals by month.

EYW

Temperature

69.8 - 84.2 °F

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated April 18, 2024.
Get a feel of what it's like to fly with United Airlines, Delta and American Airlines from Seattle to Key West by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,104 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

8.1
Very good
11,104 reviews
8.1
Very good
11,104 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

7.4
Good
11,341 reviews
8.1
Very good
11,104 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

7.3
Good
14,963 reviews
8.1
Very good
11,104 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Seattle to Key West for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Key West for under $500. The cheapest flight booked recently is on Multiple Airlines for just $453, but on average you can expect to pay $576.

  • Are there last-minute flights available from Seattle to Key West for under $800?

    There are currently 20+ open flights from Seattle to Key West within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Seattle to Key West round-trip?

    Our cheapest airline available from Seattle to Key West is United Airlines. Our recent data shows that you can find tickets from as low as $552 on this airline. An additional option worth looking into is American Airlines, starting at $595. United Airlines is 18% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Key West one-way?

    The cheapest airlines for a one-way flight from Seattle to Key West are American Airlines ($268), Delta ($347), and United Airlines ($565).

  • What are the most popular airlines that fly from Seattle to Key West?

  • What does SEA to EYW mean?

    SEA and EYW are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to EYW refers to a flight route from Seattle/Tacoma Intl Airport to Key West Airport.

  • Can I find deals for flights from Seattle to Key West that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Key West flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Key West with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Key West flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Seattle to Key West?

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

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

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

  • Can I find deals for flights from Seattle to Key West that allow pets onboard?

    Many airlines flying from Seattle to Key West offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Key West?

    Yes, you can often find last-minute deals on Seattle to Key West flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Key West flight deals updated?

    The Seattle to Key West flight deals you see on this page were last updated on 4/17.

See more FAQs

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Alternative routes for Seattle to Key West
See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seattle to Key West

Discover the top 3 airlines that operate flights from Seattle to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$446Average$795FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$469Average$603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$473Average$657FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Seattle to Key West by cabin class

Find flights from Seattle to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Key West?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Key West from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Key West?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key West from Seattle.

Can Cheapflights find flights from Seattle to Key West with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Key West, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seattle to Key West become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Key West from Seattle today and book when prices fit your budget.

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