Dulles International Airport IAD to Seattle, WA SEA flight with United

Wed, Feb 25
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Journey information

Overview: Dulles International Airport to Seattle, WA flight

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Flights from Dulles International Airport to Seattle, WA depart on average 41 times per day, taking around 5h 56m. Cheap flight tickets for this journey start at $230 (€183) if you book in advance.

There are 3 flights per day. The earliest flight runs at 12:33, the last at 22:55. The fastest flight covers the 2300 miles (3703 km) distance in 5h 47m. November is the cheapest month to fly.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance
2300 miles (3703 km)
Average flight duration
5h 56m
Cheapest ticket price
$230 (€183)
Flights per day
41
Direct flights
3
Fastest flight
5h 47m
Cheapest month
November
First flight
12:33
Last flight
22:55
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information

The cheapest and fastest flights from Dulles International Airport to Seattle, WA

Showing times and prices for Feb 26

Cheapest price

$230

Average price

$230

Fastest journey

5 h 47 m

Average duration

5 h 47 m

Flights per day

1

Distance

3703 km

Cheap tickets

The best way to find a cheap flight ticket from Dulles International Airport to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Dulles International Airport to Seattle, WA will cost around $230 if you buy it on the day, but the cheapest tickets can be found for only $230.

Fast flights

Of the 1 flights that leave Dulles International Airport for Seattle, WA onThu, Feb 26, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Thu, Feb 26 the direct flights cover the 3703 km distance in an average of 5 h 47 m but if you time it right, some flights will get you there in just 5 h 47 m .

On Thu, Feb 26 the longest flights will take 5 h 47 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

Alaska Airlines
12:33PM5h47
Dulles International Airport
06:20PMSeattle, WA
$2301One-way
0 transfers

Travel Information

Compare train, flight, and bus for Dulles International Airport to Seattle, WA

Omio recommends booking the flight as it is the most popular option from Dulles International Airport to Seattle, WA among Omio's users. If you are prioritising price take the bus with prices starting from $246. For those with little time consider booking a flight which can get you there in 5h 56m. The ticket price range depends on the travel mode: a bus costs an average of $246, and a train costs an average of $460.

Distance: 2300 miles (3703 km)

Compare flight with

Most popular
Flight
Bus
Train

$452

Average price

$246

Average price

Cheapest

$564

Average price

8h 56m

Average total duration

Fastest

5h 56m

Onboard

+

3h 0m

Additional time*

82h 35m

Average total duration

82h 5m

Onboard

+

30m

Additional time*

90h 26m

Average total duration

89h 56m

Onboard

+

30m

Additional time*

Direct Options

Direct Options

Direct Options

Compare prices and tickets Dulles International Airport to Seattle, WA by train, flight, or bus

Compare train, flight, and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

Thu
Feb 26
Fri
Feb 27
Sat
Feb 28
Sun
Mar 01
Mon
Mar 02
Tue
Mar 03
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Mar 04

Why should you book Dulles International Airport to Seattle, WA flights with Omio?

United operates all flights services from Dulles International Airport to Seattle, WA.
Omio is an official ticket reseller for all your travel options from Dulles International Airport to Seattle, WA.

Why book with Omio vs United?

  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare United with all available travel options, which are train, flight and bus to ensure you get the best deal for traveling from Dulles International Airport to Seattle, WA.

Why book with Omio over Kayak, Skyscanner or Trip?

  • Multiple modes of transport: Omio allows you to compare travel options including train, flight and bus to find the ideal travel option from Dulles International Airport to Seattle, WA.

Airlines: United from Dulles International Airport to Seattle, WAFind the best flights between Dulles International Airport to Seattle, WA with Omio's travel partners United from $230 (€183). We can find you the best deals, schedules and tickets when comparing and booking the best trip.

United

About
United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.
Luggage & cancellation policy
Average Duration
5h 59m
Cheapest Price
$562 (€447)
Luggage included
Carry-on baggage allowance is 7kg total (2 pieces max. ) for both Choice and Flex fares on United Airlines and Virgin Australia flights.
Additional luggage
Excess baggage fees apply for additional checked luggage beyond the standard allowance.
Luggage storage
Both airlines provide checked baggage services for storing luggage during flights.
Cancellation Policy
Cancellation fees apply per person, per booking, with specific fees for different fare types.
Refund
Not applicable to flights; however, full refunds are available if flights are canceled by the airline.
Pregnant on board
Pregnant passengers are permitted to travel, with specific guidelines and medical certificates required after a certain gestational period.
Unaccompagned minor
Unaccompanied minors are permitted to travel, with specific age restrictions and services provided.
Amenities on board the airplane
Wifi
Food sold onboard
Meals and snacks are included on international flights operated by United Airlines and Virgin Australia.
Seat reservation
Seat selection may incur additional fees, depending on the fare type and airline.
Toilets
USB plugs
Accessibility
United Airlines and Virgin Australia offer services to and within Australia, providing accessible travel options for passengers with mobility needs.
Bikes
Both airlines permit bicycles onboard, with specific guidelines and fees.
Pets
United Airlines and Virgin Australia allow pets onboard, subject to specific policies and fees.

FAQs: Dulles International Airport to Seattle, WA Flight

Find answers to the most common questions about traveling from Dulles International Airport to Seattle, WA by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.

FAQs
Cheap plane tickets from Dulles International Airport to Seattle, WA can start from as little as $230 (€183) when you book in advance. The average flight ticket price for Dulles International Airport to Seattle, WA is $452 (€359) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Dulles International Airport to Seattle, WA is 5h 47m to travel the 2300 miles (3703 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Dulles International Airport to Seattle, WA leaves at 12:33 PM. Plan your trip with the Journey Planner from Omio.
The latest flight from Dulles International Airport to Seattle, WA leaves at 10:55 PM.
Yes, there are 3 direct flights a day from Dulles International Airport to Seattle, WA with . Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Dulles International Airport to Seattle, WA, you can count on United for the best way to get you to Seattle, WA. You can also check all possible airlines who offer a service between Dulles International Airport and Seattle, WA and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from Dulles International Airport to Seattle, WA is November.
It's helpful to compare your options as there are 3 ways to travel between Dulles International Airport and Seattle, WA including taking a train, flight, and bus.
Since neither Dulles International Airport nor Seattle, WA are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and United States. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is a time difference of 3 h between Dulles International Airport and Seattle, WA all year round.
The best events to attend in Seattle, WA include:
  • Seafair, a summer festival featuring hydroplane races, parades, and cultural events
  • Seattle International Film Festival, one of the largest film festivals in the U.S. showcasing independent films
  • Bumbershoot, an annual music and arts festival held over Labor Day weekend
  • Seattle Pride Parade, a celebration of LGBTQ+ pride with a colorful parade through downtown.
The best holidays to experience in Seattle, WA include:
  • Independence Day, fireworks and celebrations marking the nation's birthday
  • Thanksgiving, a time for family gatherings and seasonal festivities
  • Christmas, holiday lights and decorations creating a festive atmosphere
  • New Year's Eve, lively celebrations welcoming the new year with fireworks and events.
The best season to visit Seattle, WA is Spring or Fall. The best weather to explore Seattle, WA is during April-June or September-November.
For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

popular airports

Popular airports from Dulles International Airport to Seattle, WA

Washington
Seattle
The major airport for departures in Washington is Dulles International Airport. Find all the information you need to know about services, amenities and connections at Dulles International Airport for your trip from Washington to Seattle.
Amenities at airport
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
ShowerShower
LoungeLounge
Lost and Found OfficeLost and Found Office
Car RentalCar Rental
information
ticketOfficeHours
Distance to city center
3 km
carConnection
Car connection
VA-267, Exit 9A
Wifi
Wifi
  • Free Wi-Fi available throughout the airport.
Shopping
Shopping
  • Shops available in all concourses, main shops include Duty-Free, Hudson News, and Tech on the Go.
Parking
Parking
  • Parking available in the terminal Parking Garage, approximately 5.7€ ($6) per hour.
Dining
Dining
  • Restaurants located in all concourses; options include fast food, cafes, and sit-down dining like Five Guys and Chipotle.
Taxis
Taxis
  • Available outside the terminal.
Accessibility
Accessibility
  • Elevators, ramps, assistance
WC
WC
  • Available throughout the airport.
Hotel
Hotel
  • Hotels nearby include Washington Dulles Airport Marriott within walking distance.
Shower
Shower
  • Showers available in some lounges; access typically requires lounge entry fee.
Lounge
Lounge
  • Lounges available, including United Club and Turkish Airlines Lounge.
Lost and Found Office
Lost and Found Office
  • Lost and Found located in the main terminal; contact via phone or email.
Car Rental
Car Rental
  • Car rental services available on-site; companies include Avis, Hertz, and Enterprise.
Public transit options for Dulles International Airport
  • Silver Line Metro, Dulles Intertiol Airport Station, 26 miles

More options for your journey from Dulles International Airport to Seattle, WA

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