Best Flight From Washington Dulles Intl. To SEA

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Amazing IAD to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. were $396 for round trip flights and $175 for one-way flights in the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 5 - Thu, Dec 10
IAD
Washington
SEA
Seattle
$396 Roundtrip, found 6 days ago
$396
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Sat, Dec 5 from Washington to Seattle, returning Thu, Dec 10, priced at $396 found 6 days ago
Sat, Dec 5 - Thu, Dec 10
IAD
Washington
SEA
Seattle
$410 Roundtrip, found 6 days ago
$410
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 5 from Washington to Seattle, returning Thu, Dec 10, priced at $410 found 6 days ago
Fri, Dec 4 - Wed, Dec 9
IAD
Washington
SEA
Seattle
$410 Roundtrip, found 6 days ago
$410
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 4 from Washington to Seattle, returning Wed, Dec 9, priced at $410 found 6 days ago
Sat, Dec 5 - Thu, Dec 10
IAD
Washington
SEA
Seattle
$420 Roundtrip, found 6 days ago
$420
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 5 from Washington to Seattle, returning Thu, Dec 10, priced at $420 found 6 days ago
Sat, Dec 5 - Sun, Dec 6
IAD
Washington
SEA
Seattle
$424 Roundtrip, found 6 days ago
$424
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 5 from Washington to Seattle, returning Sun, Dec 6, priced at $424 found 6 days ago
Fri, Dec 4 - Wed, Dec 9
IAD
Washington
SEA
Seattle
$428 Roundtrip, found 6 days ago
$428
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 4 from Washington to Seattle, returning Wed, Dec 9, priced at $428 found 6 days ago

Hotels near Seattle - Tacoma Intl. Airport (SEA)

Coast Gateway Hotel

Coast Gateway Hotel

3.5 out of 5
18415 International Blvd SeaTac WA
$117 nightly
The price is $134 total per night from Oct 25 to Oct 26
$134 total
Oct 25 - Oct 26
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 restaurant in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
9.2/10 Wonderful! (7,813 reviews)
"The proximity to the airport is why we booked at this hotel. The breakfast was fine, bed was fine. Hotel room looked old and outdated. Was clean and what we needed for the night. 7 min drive to rental drop off is well worth the stay."

Reviewed on Oct 24, 2026

Opens in a new windowCoast Gateway Hotel
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
$84 nightly
The price is $97 total per night from Oct 28 to Oct 29
$97 total
Oct 28 - Oct 29
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 clean rooms in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
Opens in a new windowSureStay Hotel by Best Western SeaTac Airport North
Quality Inn SeaTac Airport-Seattle

Quality Inn SeaTac Airport-Seattle

2.5 out of 5
2900 S 192nd St SeaTac WA
$68 nightly
The price is $79 total per night from Nov 15 to Nov 16
$79 total
Nov 15 - Nov 16
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
Opens in a new windowQuality Inn SeaTac Airport-Seattle
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Red Roof Inn Seattle Airport - SEATAC

Red Roof Inn Seattle Airport - SEATAC

2 out of 5
16838 International Boulevard SeaTac WA
$63 nightly
The price is $73 total per night from Nov 1 to Nov 2
$73 total
Nov 1 - Nov 2
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. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
7.8/10 Good! (4,935 reviews)
"N/A"

Reviewed on Oct 24, 2026

Opens in a new windowRed Roof Inn Seattle Airport - SEATAC
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
$84 nightly
The price is $97 total per night from Nov 18 to Nov 19
$97 total
Nov 18 - Nov 19
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 in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
9/10 Wonderful! (6,675 reviews)
"Staff was great"

Reviewed on Oct 24, 2026

Opens in a new windowCountry Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Courtyard by Marriott Seattle SeaTac Airport

Courtyard by Marriott Seattle SeaTac Airport

4 out of 5
19031 International Blvd. SeaTac WA
$106 nightly
The price is $121 total per night from Nov 6 to Nov 7
$121 total
Nov 6 - Nov 7
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
Opens in a new windowCourtyard by Marriott Seattle SeaTac Airport
DoubleTree by Hilton Seattle Airport

DoubleTree by Hilton Seattle Airport

4 out of 5
18740 International Boulevard SeaTac WA
$106 nightly
The price is $122 total per night from Nov 6 to Nov 7
$122 total
Nov 6 - Nov 7
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 clean rooms in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
8/10 Very Good! (3,456 reviews)
"Not really accessible. Everything seems dark and dingy. Surfaces in room were sticky. Parking was particularly challenging. On the plus side, staff was friendly and helpful."

Reviewed on Oct 24, 2026

Opens in a new windowDoubleTree by Hilton Seattle Airport
Skybridge Seattle Airport Hotel

Skybridge Seattle Airport Hotel

3.5 out of 5
17338 International Blvd SeaTac WA
$114 nightly
The price is $130 total per night from Nov 15 to Nov 16
$130 total
Nov 15 - Nov 16
Total with taxes and fees
Book a stay at this business-friendly hotel in SeaTac. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the restaurant and the bar in our reviews. Popular attractions Westfield Southcenter Mall and Angle Lake Park are located nearby.
Opens in a new windowSkybridge Seattle Airport Hotel
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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.

Top Picks

*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.