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Cheap SEA to IAD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Cheap SEA to IAD Flights

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : The current leader is Delta Air Lines with a 100% on-time rate. Spend as little time in an airport as necessary by flying with Delta Air Lines. Hopefully they keep that perfect record alive.

Question : How long does it take to get from SEA to IAD?
Answer : United Airlines currently holds the shortest travel time with four hours and 48 minutes. For example, you would arrive in Dulles at 6:38 AM EST if you left Seattle at 10:50 PM PST. Remember, there is a three-hour time difference.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The best day to fly on a budget this month is Monday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : If having the most departure times is important to you, is there a particular day that offers the most options?
Answer : Saturday has the greatest variety of flight times for Seattle to Dulles with eight. However, with only seven flight times, Friday doesn't offer quite as many options when finding that perfect departure time.

Question : How much should a trip from Seattle (SEA) to Dulles (IAD) cost?
Answer : Ranging from $199 to $3,058, prices for SEA to IAD do fluctuate more than most routes in the United States. However, the sooner you book, the better price you tend to get.

Question : About how long is the flight from Seattle to Dulles?
Answer : Flying from SEA to IAD typically takes about four hours and 54 minutes.

Question : Over the coming months, which airline is getting their passengers to Washington Dulles International Airport (IAD) round-trip the cheapest?
Answer : Alaska Airlines is the leader in keeping costs down for their passengers over the next three months. Bookings are being made at just $199 and, when compared to the high-end bookings of $3,058, it's quite a deal.

Seattle to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to Washington will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.