Cheap Flights from Seattle (SEA) to Thermal (TRM)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Thermal, CA (TRM-Jacqueline Cochran Regional)

Alternative airports near Thermal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Palm Springs Intl. PSP. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $405
PSP
Palm Springs Intl.
Cheapest
Average driving time to city center34 min
Flights from $405

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM)?
Planning your trip for can help you save, as it's the cheapest month for flights between SEA and TRM. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SEA to TRM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM)?
You'll need to book a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SEA to TRM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Thermal from Seattle - Tacoma Intl. Airport (SEA)?
Palm Springs Intl. Airport (PSP) is the only airport in Thermal with direct flights from Seattle - Tacoma Intl. Airport (SEA). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM) last-minute?
Waiting until right before your break to book your flight from SEA to TRM generally means paying more. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a SEA to TRM flight and hotel package?
Securing a SEA to TRM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Jacqueline Cochran Regional Airport (TRM)?
In most instances, you can reschedule or cancel your SEA to TRM flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Jacqueline Cochran Regional
Distance
1005 mi

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Seattle to Thermal Flights

The cheapest times to fly from Seattle to Thermal

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 Seattle to Thermal are during the month of . You can find some of the cheapest flights from Seattle to Thermal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Thermal

Sunday is one of the best days to book for cheap flights from Seattle to Thermal: 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 Seattle to Thermal

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 Seattle to Thermal in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Seattle to Thermal 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 Seattle to Thermal 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.

 

Seattle to Thermal Flights

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*Available to One Key members.