- Must visit
Steven F. Udvar-Hazy Center
Smithsonian aviation museum near Dulles with the Space Shuttle Discovery, Concorde, and hundreds of aircraft in two vast hangars.
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Journey information
Overview: Seattle, WA to Dulles International Airport flight
USAUSA
Take a flight from Seattle, WA to Dulles International Airport and enjoy the approximately 2300 miles (3703 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
There are 7 flights per day. June 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 4h 57m |
Flights per day 52 |
Direct flights 7 |
Cheapest Month Jun |
Cheapest Day Thu |
High Season Apr - Jun |
Low Season Apr - Jun |
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
Why should you book Seattle, WA to Dulles International Airport flights with Omio?
United operates all flights services from Seattle, WA to Dulles International Airport.
Omio is an official ticket reseller for all your travel options from Seattle, WA to Dulles International Airport.
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.
Airlines: United from Seattle, WA to Dulles International AirportFind the best flights between Seattle, WA to Dulles International Airport with Omio's travel partners United. 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
7h 50m
Cheapest Price
$465 (€383)
United frequency
33 a day
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.
Complete guide to Dulles International Airport
Things to do in Dulles International Airport
Discover the best of Dulles International Airport — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Dulles International Airport trip today.
- Must visit
National Air and Space Museum in Washington, D.C.
Flagship Smithsonian aerospace museum on the National Mall, worth pairing with Udvar-Hazy for a broader aviation visit.
- Must visit
National Museum of African American History and Culture
Major Smithsonian museum in Washington, D.C., presenting African American history, culture, and art through powerful exhibitions.
- Must visit
Great Falls Park
Popular scenic park with clifftop overlooks, short trails, and powerful Potomac River rapids; a favorite for photos and walks.
- Must visit
National Mall
Washington's signature monumental landscape, ideal for walking between museums, memorials, and open lawns.
- Must visit
Tidal Basin
Waterside walking area famous for memorial views and cherry blossoms, especially popular in spring and at sunset.
Virginia Ham Biscuits
Small biscuits filled with salty cured Virginia ham, a classic snack tied to the Commonwealth’s ham-curing tradition.
Chesapeake Crab Cakes
Pan-seared cakes made with lump crab meat and light seasoning, reflecting the Mid-Atlantic seafood heritage near Northern Virginia.
Half-Smoke
A smoky, coarse-ground sausage linked to the Washington area, often served on a bun with mustard, onions, and chili.
Ford's Fish Shack Ashburn
Well-known casual seafood spot celebrated for lobster rolls, crab cakes, and fried seafood in a relaxed setting.
Founding Farmers Reston Station
Popular regional restaurant serving American comfort food with a farm-inspired menu and lively atmosphere near the airport corridor.
Sweetwater Tavern
Established Northern Virginia favorite offering steaks, barbecue, salads, and house-brewed beer in a polished tavern environment.
United States Dollar
Airport prices are higher than nearby areas. Meals, coffee, and convenience items usually cost more than in the city.
Average meal costs
- Budget
- USD 10-15 for fast food or snacks.
- Mid-range
- USD 18-30 per person at casual airport restaurants.
- Fine dining
- USD 40+ per person where available.
- Coffee
- USD 4-7 for coffee drinks.
Tipping culture
Tip 15-20% at sit-down restaurants and bars. Not expected at kiosks, but optional for counter service. Round up for small purchases only if you wish.
DC Metro and Bus
Get the appOfficial public transport app
Prices
- Single ticket
- USD 2.25
- Day pass
- USD 13.00
To the city center
Washington Dulles International Airport -> Metro Center, Washington, D.C.
- Distance
- 43 km
- Travel time
- 55 min
- You can pay Metrorail fares with a SmarTrip card in Apple Wallet or Google Wallet, or with a physical SmarTrip card.
- Metrobus accepts contactless card payment on many routes, but carrying a SmarTrip card or mobile wallet setup is the most reliable option.
FAQs: Seattle, WA to Dulles International Airport Flight
Find answers to the most common questions about traveling from Seattle, WA to Dulles International Airport 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 Dulles International Airport, this guide helps you travel smarter and with confidence.
Yes, there are 7 direct flights a day from Seattle, WA to Dulles International Airport with United. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Seattle, WA to Dulles International Airport, you can count on United for the best way to get you to Dulles International Airport. You can also check all possible airlines who offer a service between Seattle, WA and Dulles International Airport and compare the amenities they offer before buying a plane ticket.
The cheapest month for a flight from Seattle, WA to Dulles International Airport is June.
Yes, you can take a between Seattle, WA and Dulles International Airport.
Since neither Seattle, WA nor Dulles International Airport 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 Seattle, WA and Dulles International Airport all year round.
We recommend using the flight as it is the most popular way to get from Seattle, WA to Dulles International Airport among Omio's users.
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.
The currency used in the United States is the US Dollar (USD). For travelers, using cards is generally more convenient and widely accepted, especially credit and debit cards, while cash is useful for small purchases or places that do not accept cards.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
More options for your journey from Seattle, WA to Dulles International Airport
Here are some other resources that might have the information you need
Most popular flights to and from Dulles International Airport and Seattle, WA
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