Cheap Flights from Seattle (SEA) to Dover (DVX)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Dover, DE (DVX-Delaware Airpark)

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Flights from Seattle (SEA) to Dover (DVX)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Delaware Airpark
Distance
2377 mi

Seattle to Dover Flights

The cheapest times to fly from Seattle to Dover

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

 

The best time to book a flight from Seattle to Dover

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

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 Dover 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 Dover 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 Dover 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Dover, DE (DVX-Delaware Airpark) cost?
Discover the latest flight deals from SEA to DVX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to DVX?
The cheapest flights from SEA to DVX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to DVX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to DVX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Dover, DE (DVX-Delaware Airpark)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Dover, DE (DVX-Delaware Airpark) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to DVX?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline and other factors.*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 Dover, DE (DVX-Delaware Airpark)?
To touch down at Dover, DE (DVX-Delaware Airpark) on time, select a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Dover from Seattle - Tacoma Intl. Airport (SEA)?
Philadelphia Intl. Airport (PHL) is the only airport in Dover with direct flights from Seattle - Tacoma Intl. Airport (SEA). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Dover, DE (DVX-Delaware Airpark) last-minute?
Last-minute bookings from SEA to DVX are usually more expensive. For the lowest prices, start looking for flights early. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a SEA to DVX flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to DVX flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Dover, DE (DVX-Delaware Airpark)?
If you reserved your SEA to DVX flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.