Book Cheap Alaska Airlines flight from Seattle (SEA) to Washington (IAD) from CA $194

Find The Best Day to Book a Cheap Alaska Airlines Flights From Seattle to Washington

Cheapest Alaska Airlines Flights from Seattle (SEA) to Washington (IAD)

The cheapest flights to Washington Dulles Intl. found within the past 7 days were round trip and CA $194 one way. Prices and availability subject to change. Additional terms may apply.

IAD From SEA Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Club Quarters Hotel in Washington DC
Sofitel Washington DC Lafayette Square
The Graham Georgetown
Don't see what you're looking for?
See all available trips from Seattle - Tacoma Intl. to Washington Dulles Intl.
View all trips

Frequently asked questions

Can I catch a flight from Seattle - Tacoma Intl. Airport (SEA) to IAD right now?
For info on any present IAD quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Look before you arrange your flight, so you don’t get caught up en route.
What terminal is Alaska Airlines at Sea-Tac Airport?
As soon as you’re issued your boarding pass for your Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to IAD, check if the terminal details are on it. If not, contact your carrier. They’ll be able to tell you exactly where you’ll be flying in and out of.
Are there Alaska Airlines non-stop flights from SEA to IAD?
With Alaska Airlines offering nonstop services between Sea-Tac Airport and Dulles Intl. Airport, you can’t go wrong. Say goodbye to the stress, hassle and baggage hiccups often associated with layovers, and secure your seat today.
How long is an Alaska Airlines flight from SEA to IAD?
Get some in-flight shut-eye and start your getaway raring to go. You’ll have enough time to do so when traveling with Alaska Airlines between SEA and IAD, with the flight taking on average 6 hours and 5 minutes.
What type of aircraft does Alaska Airlines fly from SEA to IAD?
Organizing a flight between SEA and Dulles Intl. Airport with Alaska Airlines? On this route, you’ll probably be stepping aboard the Boeing 737-800 or the Boeing 737 MAX 9 type aircraft.
How many direct and indirect flights does Alaska Airlines fly from SEA to IAD?
Alaska Airlines makes getting from SEA to Dulles Intl. Airport straightforward and hassle-free. Currently, it offers no fewer than 10 flights each week on this popular route.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Washington Dulles Intl. Airport (IAD), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great Alaska Airlines flight from SEA to IAD 

To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying Alaska Airlines Seattle to Chantilly gives you 1 fights to choose from. With that direct flight time of 2, you’ll be touching down before you know it.  

 

Find cheap flights with Alaska Airlines between Seattle and Chantilly 

Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Chantilly with Alaska Airlines are January.  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your Alaska Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

Alaska Airlines Airports
Hop on a(n) Alaska Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
SEAUSASeattle - Tacoma Intl.115
ORDUSAO'Hare Intl.44
LAXUSALos Angeles Intl.24
PDXUSAPortland Intl.23
ANCUSATed Stevens Anchorage Intl.22
SFOUSASan Francisco Intl.21
SANUSASan Diego Intl.18
JNUUSAJuneau Intl.10
SJCUSANorman Y. Mineta San Jose Intl.10
GEGUSASpokane Intl.7

Travelers ❤️ these 🏨 after their flight to Washington

Hyatt Regency Dulles
Hyatt Regency Dulles
4 out of 5
2300 Dulles Corner Blvd, Herndon, VA
Book a stay at this golf hotel in Herndon. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean ...
8.8/10 Excellent! (1,202 reviews)
"Lovely as always"

Reviewed on 18 Nov. 2024

Hyatt Regency Dulles
Hyatt Place Herndon Dulles Airport East
Hyatt Place Herndon Dulles Airport East
3 out of 5
13711 Sayward Blvd, Herndon, VA
Stay at this 3-star business-friendly hotel in Herndon. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the breakfast and the ...
8.4/10 Very Good! (1,616 reviews)
"The breakfast choices were not very good"

Reviewed on 18 Nov. 2024

Hyatt Place Herndon Dulles Airport East
Washington Dulles Airport Marriott
Washington Dulles Airport Marriott
4 out of 5
45020 Aviation Dr, Sterling, VA
Book a stay at this business-friendly hotel in Sterling. Enjoy 2 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.2/10 Very Good! (1,000 reviews)
"Likes the convenience and the service at the bar. Didn't like dust in room and ring of dirt around pool"

Reviewed on 8 Nov. 2024

Washington Dulles Airport Marriott
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.