Cheap flights from Seattle (SEA) to Delaware
How far in advance should I book a flight from Seattle to Delaware?
Users have found that booking a flight from Seattle to Delaware at least 61 days early can save you up to 45% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Seattle to Delaware for as little as $626 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $710 for flights departing within the next 3 days.
What is the cheapest month to fly from Seattle to Delaware?
Our data shows that February tends to be the cheapest month to fly to Delaware from Seattle. Users have commonly found prices around $487 for the month, but tickets can be as low as $227. Due to multiple factors, prepare for potentially higher prices in July.
When is the cheapest time to fly from Seattle to Delaware (SEA - DE)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Delaware as you normally would.
Cheap flights from Seattle to Delaware in December, January 2022
The best prices found for SEA to Delaware flights for December, January
Seattle/Tacoma Intl
Philadelphia
1 stop
7h 07mPhiladelphia
Seattle/Tacoma Intl
1 stop
24h 13mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 28mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Seattle to Delaware 2022 flight deals
Cheap flights to Delaware from Seattle found for this year
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 35mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 40mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 28mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Cheap Frontier flights from Seattle to Delaware
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 40mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 28mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
19h 01mPhiladelphia
Seattle/Tacoma Intl
1 stop
14h 47mFrontier
Cheap Spirit Airlines flights from Seattle to Delaware
Seattle/Tacoma Intl
Philadelphia
1 stop
12h 00mPhiladelphia
Seattle/Tacoma Intl
2 stops
26h 28mSpirit Airlines
Seattle/Tacoma Intl
Philadelphia
1 stop
14h 03mPhiladelphia
Seattle/Tacoma Intl
2 stops
16h 09mSpirit Airlines
Seattle/Tacoma Intl
Philadelphia
1 stop
14h 03mPhiladelphia
Seattle/Tacoma Intl
2 stops
16h 09mSpirit Airlines
Non-stop flights to Delaware from Seattle
Save time with Seattle to Delaware direct flight deals
Seattle/Tacoma Intl
Philadelphia
Nonstop
5h 07mPhiladelphia
Seattle/Tacoma Intl
Nonstop
6h 10mAlaska Airlines
Seattle/Tacoma Intl
Philadelphia
Nonstop
4h 56mPhiladelphia
Seattle/Tacoma Intl
Nonstop
6h 08mAmerican Airlines
Seattle/Tacoma Intl
Philadelphia
Nonstop
4h 54mPhiladelphia
Seattle/Tacoma Intl
Nonstop
6h 10mMultiple Airlines
Last minute flights from Seattle to Delaware
Late deals on return flights to Delaware from Seattle, departing today and this week
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 40mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 28mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mPhiladelphia
Seattle/Tacoma Intl
1 stop
17h 36mFrontier
One-way flights to Delaware from Seattle
The cheapest one-way flights from Seattle to Delaware
Seattle/Tacoma Intl
Philadelphia
1 stop
8h 12mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
19h 01mFrontier
Seattle/Tacoma Intl
Philadelphia
1 stop
19h 01mFrontier
Related info for your journey
Useful info, stats and facts about Seattle to Delaware flights.
What airport do you fly from for flights from Seattle to Delaware?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Delaware. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
Which airlines flying from Seattle/Tacoma Intl to Delaware have flexible cancellations due to COVID-19?
Some of our airline partners flying from Seattle/Tacoma Intl to Delaware have new flexible policies in place due to COVID-19. American Airlines, Alaska Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.
Can I find flights from Seattle to Delaware for under $200 on Cheapflights?
Yes, there are multiple flights from Seattle to Delaware for under $200. The cheapest flight booked recently is on Frontier for just $164, but on average you can expect to pay $179.
Are there nonstop flights from Seattle to Delaware for under $300 on Cheapflights?
Cheapflights has at least 20 direct flights from Seattle to Delaware under $300. A good price for a nonstop flight from Seattle to Delaware is less than $284.
Are there last-minute flights available from Seattle to Delaware for under $200?
There are currently 20+ open flights from Seattle to Delaware within the next 7 days for less than $200.
What are the cheapest airlines to fly from Seattle to Delaware one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $81. Spirit Airlines flights start at $111 while deals on Delta start at $129 one-way.
What are the cheapest flights from Seattle to Delaware?
Looking at all options, your cheapest flight can be booked for $318. While the most popular route (Seattle/Tacoma Intl - Philadelphia) can be booked for $179 on average our data indicates $360 when flying from Seattle to Delaware.