$373 Cheap Flights from Pasco (PSC) to Key West (EYW)

View $373 flight on Thu, May 14, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Key West Intl. Airport (EYW)

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Cheap Flights from Pasco to Key West (PSC-EYW)

Prices were available within the past 7 days and start at $373 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 16 - Tue, Dec 22
PSC
Pasco
EYW
Key West
$597 Roundtrip, found 3 days ago
$597
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 16 from Pasco to Key West, returning Tue, Dec 22, priced at $597 found 3 days ago
Delta
Thu, May 14 - Mon, May 18
PSC
Pasco
EYW
Key West
$685 Roundtrip, found 6 days ago
$685
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, May 14 from Pasco to Key West, returning Mon, May 18, priced at $685 found 6 days ago
American Airlines
Fri, May 8 - Thu, May 14
PSC
Pasco
EYW
Key West
$695 Roundtrip, found 5 days ago
$695
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, May 8 from Pasco to Key West, returning Thu, May 14, priced at $695 found 5 days ago
American Airlines
Wed, Dec 16 - Tue, Dec 22
PSC
Pasco
EYW
Key West
$697 Roundtrip, found 3 days ago
$697
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 16 from Pasco to Key West, returning Tue, Dec 22, priced at $697 found 3 days ago
Delta
Mon, May 11 - Fri, May 15
PSC
Pasco
EYW
Key West
$699 Roundtrip, found 1 day ago
$699
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, May 11 from Pasco to Key West, returning Fri, May 15, priced at $699 found 1 day ago
Delta
Mon, May 11 - Fri, May 15
PSC
Pasco
EYW
Key West
$700 Roundtrip, found 1 day ago
$700
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, May 11 from Pasco to Key West, returning Fri, May 15, priced at $700 found 1 day ago
American Airlines
Mon, May 11 - Fri, May 15
PSC
Pasco
EYW
Key West
$704 Roundtrip, found 1 day ago
$704
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, May 11 from Pasco to Key West, returning Fri, May 15, priced at $704 found 1 day ago
Delta
Mon, May 11 - Fri, May 15
PSC
Pasco
EYW
Key West
$705 Roundtrip, found 1 day ago
$705
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, May 11 from Pasco to Key West, returning Fri, May 15, priced at $705 found 1 day ago
United
Mon, Apr 13 - Fri, Apr 17
PSC
Pasco
EYW
Key West
$937 Roundtrip, found 3 days ago
$937
Roundtrip
found 3 days ago
Select United flight, departing Mon, Apr 13 from Pasco to Key West, returning Fri, Apr 17, priced at $937 found 3 days ago
Alaska Airlines
Mon, Mar 23 - Fri, Mar 27
PSC
Pasco
EYW
Key West
$1,479 Roundtrip, found 3 days ago
$1,479
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Mar 23 from Pasco to Key West, returning Fri, Mar 27, priced at $1,479 found 3 days ago

Frequently asked questions

How much does a flight from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) cost?
You can find cheap one-way flights from $373 and cheap return flights from $597 Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) with Expedia. Return flights typically cost between $533 and $1579. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
The cheapest month to fly from PSC to EYW is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
Enter PSC to EYW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Pasco (PSC) to Key West (EYW), with round-trip tickets starting from around $369 with a layover in Sky Harbor Intl. (PHX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
The earliest flight from Tri-Cities Airport (PSC) to Key West International Airport (EYW) generally departs at around 5:00 AM local time, operated by American Airlines. This seasonal service is active in October, making it a great choice for early travelers heading to the beautiful beaches of Key West. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
The most popular departure times for flights from Tri-Cities Airport (PSC) to Key West International Airport (EYW) are in the early afternoon, from 12pm to 3pm. About 45% of passengers prefer this time window. Many major carriers, including United and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning before heading to your destination.
How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
Flights from PSC to EYW with one stop typically take around 14 hours 20 minutes, covering approximately 2,547 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
First class seats are offered on the PSC to EYW route with American Airlines and Delta Air Lines.
How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) flight with Expedia?
It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Key West from Tri-Cities (PSC)?
If you're planning to travel to Key West from Tri-Cities (PSC), you can fly typically into Key West Intl. (EYW) Some flights may connect through major hubs like San Francisco Intl. (SFO), Sky Harbor Intl. (PHX), Salt Lake City Intl. (SLC) before reaching Key West. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) at the last minute?
Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) flight and hotel package?
Securing a Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) Key West Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.)?
If you booked your Pasco, WA (PSC-Tri-Cities) to Key West, FL (EYW-Key West Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tri-Cities
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$597
Distance
2546 mi

Book with confidence

Pasco to Key West Flights

The cheapest times to fly from Pasco to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pasco to Key West are during the month of December. You can find some of the cheapest flights from Pasco to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pasco to Key West

Sunday is one of the best days to book for cheap flights from Pasco to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pasco to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pasco to Key West in 2026. You can also book with separate airlines for your outbound and return journeys, from $373 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pasco to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pasco to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Pasco to Key West Flights

*Flight schedules are subject to change.

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*Available to One Key members.