Cheap flights from IAD to SEA (Washington Dulles Intl. to Seattle - Tacoma Intl.)

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Cheap Flights from IAD to SEA starting at $138 One Way, $252 Round Trip

Prices starting at $252 for return flights and $138 for one-way flights to Seattle - Tacoma Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 9 - Wed, Sep 16
IAD
Washington
SEA
Seattle
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Sep 9 from Washington to Seattle, returning Wed, Sep 16, priced at $252 found 1 day ago
Fri, Sep 25 - Sat, Sep 26
IAD
Washington
SEA
Seattle
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 25 from Washington to Seattle, returning Sat, Sep 26, priced at $255 found 1 day ago
Wed, Sep 16 - Wed, Sep 23
IAD
Washington
SEA
Seattle
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 16 from Washington to Seattle, returning Wed, Sep 23, priced at $255 found 1 day ago
Sun, Sep 6 - Fri, Sep 18
IAD
Washington
SEA
Seattle
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Washington to Seattle, returning Fri, Sep 18, priced at $256 found 1 day ago
Wed, Sep 23 - Mon, Sep 28
IAD
Washington
SEA
Seattle
$257 Roundtrip, found 18 hours ago
$257
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Wed, Sep 23 from Washington to Seattle, returning Mon, Sep 28, priced at $257 found 18 hours ago

Hotel Ideas near Seattle - Tacoma Intl.

Airport Hotels near Seattle - Tacoma Intl.

SureStay Hotel by Best Western SeaTac Airport North

SureStay Hotel by Best Western SeaTac Airport North

3.5 out of 5
3000 S 176th St SeaTac WA
$124 nightly
The price is $142 total per night from Aug 2 to Aug 3
$142 total
Aug 2 - Aug 3
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the ...
8/10 Very Good! (2,398 reviews)
"Everything was very nice"

Reviewed on Jul 13, 2026

SureStay Hotel by Best Western SeaTac Airport North
DoubleTree by Hilton Seattle Airport

DoubleTree by Hilton Seattle Airport

4 out of 5
18740 International Boulevard SeaTac WA
$155 nightly
The price is $176 total per night from Jul 27 to Jul 28
$176 total
Jul 27 - Jul 28
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and the ...
8/10 Very Good! (3,234 reviews)
"Clean room but very dated and weathered."

Reviewed on Jul 13, 2026

DoubleTree by Hilton Seattle Airport
Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA

3 out of 5
3100 South 192nd Street SeaTac WA
$151 nightly
The price is $172 total per night from Aug 3 to Aug 4
$172 total
Aug 3 - Aug 4
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9/10 Wonderful! (6,570 reviews)
"Everything"

Reviewed on Jul 12, 2026

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
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.

Hotels In Seattle

Mayflower Park Hotel

Mayflower Park Hotel

4 out of 5
405 Olive Way Seattle WA
$247 nightly
The price is $291 total per night from Aug 9 to Aug 10
$291 total
Aug 9 - Aug 10
Total with taxes and fees
Book a stay at this luxury hotel in Seattle. Enjoy free WiFi, breakfast (surcharge), and 24-hour room service. Our guests praise the breakfast and the restaurant ...
9.2/10 Wonderful! (2,668 reviews)
"Authenticity and location"

Reviewed on Jul 13, 2026

Mayflower Park Hotel
Crowne Plaza Seattle - Downtown by IHG

Crowne Plaza Seattle - Downtown by IHG

4 out of 5
1113 6th Ave Seattle WA
$213 nightly
The price is $251 total per night from Aug 3 to Aug 4
$251 total
Aug 3 - Aug 4
Total with taxes and fees
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful staff ...
9.2/10 Wonderful! (3,737 reviews)
"Overall stay was excellent"

Reviewed on Jul 13, 2026

Crowne Plaza Seattle - Downtown by IHG
Four Points By Sheraton Seattle Airport South

Four Points By Sheraton Seattle Airport South

3.5 out of 5
22406 Pacific Hwy S Des Moines WA
$123 nightly
The price is $140 total per night from Aug 2 to Aug 3
$140 total
Aug 2 - Aug 3
Total with taxes and fees
Book a stay at this business-friendly hotel in Des Moines. Enjoy free WiFi, an outdoor pool, and breakfast (surcharge). Our guests praise the helpful staff and ...
8.4/10 Very Good! (1,325 reviews)
"Close to where we were traveling. Things weren’t explained well such as breakfast. Parking spaces are tiny."

Reviewed on Jul 12, 2026

Four Points By Sheraton Seattle Airport South
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.

Seattle Hotels With Airport Transportation

Ramada by Wyndham SeaTac Airport

Ramada by Wyndham SeaTac Airport

2.5 out of 5
16720 International Blvd SeaTac WA
$105 nightly
The price is $120 total per night from Jul 14 to Jul 15
$120 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, free parking, and a free airport shuttle. Our guests praise the clean rooms in our reviews. ...
6.8/10 (1,975 reviews)
"It was nice to have a airport shuttle"

Reviewed on Jul 12, 2026

Ramada by Wyndham SeaTac Airport
Red Roof Inn Seattle Airport - SEATAC

Red Roof Inn Seattle Airport - SEATAC

2 out of 5
16838 International Boulevard SeaTac WA
$99 nightly
The price is $113 total per night from Jul 19 to Jul 20
$113 total
Jul 19 - Jul 20
Total with taxes and fees
Stay at this hotel in SeaTac. Enjoy free WiFi, a free airport shuttle, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.8/10 Good! (4,974 reviews)
"Outdated but was just there for one night"

Reviewed on Jul 13, 2026

Red Roof Inn Seattle Airport - SEATAC
Days Inn by Wyndham Seatac Airport

Days Inn by Wyndham Seatac Airport

2 out of 5
19015 International Blvd SeaTac WA
$119 nightly
The price is $134 total per night from Jul 14 to Jul 15
$134 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
7.6/10 Good! (1,370 reviews)
"The hotel was fine for an economical stay near the airport. Some features were worn and dated, but everything was clean. The only problem was the elevator was out of order and our room was on the fourth floor. There was another guest climbing the stairs ahead of us, an older woman with impaired mobility ..."

Reviewed on Jul 10, 2026

Days Inn by Wyndham Seatac Airport
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.

Low Priced Seattle Hotels

Red Roof Inn Seattle Airport - SEATAC

Red Roof Inn Seattle Airport - SEATAC

2 out of 5
16838 International Boulevard SeaTac WA
$99 nightly
The price is $113 total per night from Jul 19 to Jul 20
$113 total
Jul 19 - Jul 20
Total with taxes and fees
Stay at this hotel in SeaTac. Enjoy free WiFi, a free airport shuttle, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.8/10 Good! (4,974 reviews)
"Outdated but was just there for one night"

Reviewed on Jul 13, 2026

Red Roof Inn Seattle Airport - SEATAC
Days Inn by Wyndham Seatac Airport

Days Inn by Wyndham Seatac Airport

2 out of 5
19015 International Blvd SeaTac WA
$119 nightly
The price is $134 total per night from Jul 14 to Jul 15
$134 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
7.6/10 Good! (1,370 reviews)
"The hotel was fine for an economical stay near the airport. Some features were worn and dated, but everything was clean. The only problem was the elevator was out of order and our room was on the fourth floor. There was another guest climbing the stairs ahead of us, an older woman with impaired mobility ..."

Reviewed on Jul 10, 2026

Days Inn by Wyndham Seatac Airport
Ramada by Wyndham SeaTac Airport

Ramada by Wyndham SeaTac Airport

2.5 out of 5
16720 International Blvd SeaTac WA
$105 nightly
The price is $120 total per night from Jul 14 to Jul 15
$120 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, free parking, and a free airport shuttle. Our guests praise the clean rooms in our reviews. ...
6.8/10 (1,975 reviews)
"It was nice to have a airport shuttle"

Reviewed on Jul 12, 2026

Ramada by Wyndham SeaTac Airport
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.

Family Friendly Hotels in Seattle

Embassy Suites by Hilton Seattle Bellevue

Embassy Suites by Hilton Seattle Bellevue

3.5 out of 5
3225 158th Avenue SE Bellevue WA
$147 nightly
The price is $171 total per night from Jul 19 to Jul 20
$171 total
Jul 19 - Jul 20
Total with taxes and fees
Book a stay at this family-friendly hotel in Bellevue. Enjoy free breakfast, free WiFi, and room service. Our guests praise the breakfast and the helpful staff ...
8.6/10 Excellent! (1,357 reviews)

Families like: Indoor pool, cribs, free breakfast for the whole family, laundry

Travelers say...
"It’s always clean with a good big breakfast. The pool is decent size and usually lukewarm. You do have to pay an extra fee for parking now. Hotel is a minute away from I 90 so very convenient for traveling. Depending on who’s working, you can get great customer service or someone that hates their ..."

Reviewed on Jul 12, 2026

Embassy Suites by Hilton Seattle Bellevue
Homewood Suites by Hilton Lynnwood Seattle Everett, WA

Homewood Suites by Hilton Lynnwood Seattle Everett, WA

3 out of 5
18123 Alderwood Mall Pkwy Lynnwood WA
$162 nightly
The price is $184 total per night from Aug 9 to Aug 10
$184 total
Aug 9 - Aug 10
Total with taxes and fees
Stay at this hotel in Lynnwood. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the pool in our reviews. Popular ...
8.6/10 Excellent! (1,009 reviews)
"Great location with a target right next door and a short drive to the train station. Very large rooms with lots of space and easily fit our family of 5. Breakfast room was very large and had a great selection of hot and cold foods and drinks. Elevator is quick. Really exceeded our expectations and ..."

Reviewed on Jul 13, 2026

Homewood Suites by Hilton Lynnwood Seattle Everett, WA
Staypineapple, The Maxwell Hotel, Seattle Center Seattle

Staypineapple, The Maxwell Hotel, Seattle Center Seattle

3.5 out of 5
300 Roy St Seattle WA
$266 nightly
The price is $314 total per night from Aug 10 to Aug 11
$314 total
Aug 10 - Aug 11
Total with taxes and fees
Book a stay at this boutique hotel in Seattle. Enjoy breakfast (surcharge), a fitness center, and parking (surcharge). Our guests praise the bar and the helpful ...
9.6/10 Exceptional! (2,251 reviews)
"Thought breakfast was included. Not and was disappointed. Everything else was wonderful. Loved the location near to everything"

Reviewed on Jul 12, 2026

Staypineapple, The Maxwell Hotel, Seattle Center Seattle
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.

IAD to SEA Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles

Frequently asked questions

Are there non-stop flights from IAD to SEA?
If you're hoping to get from IAD to SEA in the quickest possible time, you're in luck — there are 3 airlines which advertise direct services. These are some of the most popular:

  • Delta Air Lines
  • United Airlines
  • Alaska Airlines

What is the shortest flight from IAD to Sea-Tac Airport?
Amassed a decent amount of air points? If so, then take the opportunity to upgrade your seat on your Washington to Seattle journey. With a minimum flight time of 13 hours and 8 minutes, you'll want to be as comfortable as you can.
How many hours flight from Dulles Intl. Airport to Sea-Tac Airport?
It typically takes about 13 hours and 12 minutes to travel from Washington Dulles Intl. Airport (IAD) to Sea-Tac Airport. You'll be in the air for some time, so think about bringing some entertainment, like a book or some movies.
What airlines have the most flights from Washington Dulles Intl. Airport (IAD) to Sea-Tac Airport?
What do you take into account when deciding who to travel with — fantastic service? Tickets that don't cost an arm and a leg? There are several carriers advertising flights between Washington Dulles Intl. Airport (IAD) and SEA to pick from. Take a look at Delta Air Lines (DL), one of the more well-known options which provides 91 flights every month. Also check out the deals available with United Airlines (UA). Offering 86 flights each month between Washington and Seattle, they'll make sure your journey is just as pleasurable as the destination.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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