Seattle (SEA) → Washington (IAD)
About Seattle to Washington Flights
Discover the best flights from Seattle to Washington, covering 3,701 km in approximately 5h 8m. Seattle (SEA) to Washington (IAD) is one of the popular medium-haul routes within United States. With 3 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Washington.
12-Month Price History
Flight prices from Seattle to Washington vary significantly throughout the year. February typically offers the best deals with average prices around $554, while July sees the highest prices, averaging $943. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
44 days
For best prices
Booking Tips
For the best prices on Seattle to Washington flights, we recommend booking 73 days in advance. Domestic flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Alaska Airlines AS | $760 | $3440 | $4560 |
United Airlines UA | $980 | $3180 | $5340 |
Delta Air Lines DL | $1010 | $3380 | $4910 |
Alaska Airlines
AS
Economy
$760
Business
$3440
First
$4560
United Airlines
UA
Economy
$980
Business
$3180
First
$5340
Delta Air Lines
DL
Economy
$1010
Business
$3380
First
$4910
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seattle → Washington
Seattle-Tacoma International (SEA) to Ronald Reagan Washington National (DCA)
Distance: 3,738 km
Average price: $661
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Frequently Asked Questions
How long is the flight from Seattle to Washington?
The flight time from Seattle (SEA) to Washington (IAD) is approximately 5 hours and 8 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Seattle and Washington?
The aerial distance between Seattle and Washington is 3,701 kilometers (2,300 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Seattle to Washington?
Several airlines operate flights between Seattle and Washington, including Delta Air Lines, United Airlines, Alaska Airlines. Direct flights are available on this route.
What is the cheapest month to fly from Seattle to Washington?
Based on historical data, February typically offers the lowest airfares for flights from Seattle to Washington. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Washington?
For the best prices on Seattle to Washington flights, we recommend booking 82 days in advance. Domestic flights can sometimes offer good last-minute deals, but advance booking is usually cheaper.
Do I need a visa to travel from Seattle to Washington?
Visa requirements depend on your nationality and the purpose of your visit. Since this is a domestic flight, no visa is required for citizens.
What is the time difference between Seattle and Washington?
Seattle operates on America/Los_Angeles time zone, while Washington is in the America/New_York time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.