Cheap flights from BWI to SEA (Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl.)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from BWI to SEA starting at $170 One Way, $367 Round Trip

Prices starting at $367 for return flights and $170 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.

Fri, Nov 13 - Tue, Nov 17
BWI
Baltimore
SEA
Seattle
$367 Roundtrip, found 3 days ago
$367
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Baltimore to Seattle, returning Tue, Nov 17, priced at $367 found 3 days ago
Fri, Oct 30 - Sun, Nov 1
BWI
Baltimore
SEA
Seattle
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Oct 30 from Baltimore to Seattle, returning Sun, Nov 1, priced at $383 found 3 days ago
Sat, Oct 24 - Wed, Oct 28
BWI
Baltimore
SEA
Seattle
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Baltimore to Seattle, returning Wed, Oct 28, priced at $386 found 3 days ago
Wed, Jan 20 - Sun, Jan 24
BWI
Baltimore
SEA
Seattle
$400 Roundtrip, found 3 days ago
$400
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 20 from Baltimore to Seattle, returning Sun, Jan 24, priced at $400 found 3 days ago
Sat, Nov 7 - Sat, Dec 12
BWI
Baltimore
SEA
Seattle
$401 Roundtrip, found 3 days ago
$401
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Nov 7 from Baltimore to Seattle, returning Sat, Dec 12, priced at $401 found 3 days ago

Hotel Ideas near Seattle - Tacoma Intl.

Airport Hotels near Seattle - Tacoma Intl.

Coast Gateway Hotel

Coast Gateway Hotel

3.5 out of 5
18415 International Blvd SeaTac WA
$129 nightly
The price is $147 total per night from Oct 10 to Oct 11
$147 total
Oct 10 - Oct 11
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 ...
9.2/10 Wonderful! (7,842 reviews)
"We stay here whenever we fly out of SeaTac. It’s clean, the staff is always extremely helpful and it’s so close to the airport with a shuttle running 3x/hr. A little dated looking, but great for all of the reasons I mentioned."

Reviewed on Sep 13, 2026

Coast Gateway Hotel
Hilton Seattle Airport & Conference Center

Hilton Seattle Airport & Conference Center

4 out of 5
17620 International Blvd SeaTac WA
$97 nightly
The price is $111 total per night from Oct 4 to Oct 5
$111 total
Oct 4 - Oct 5
Total with taxes and fees
Stay at this hotel in SeaTac. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff in our reviews. Popular ...
Hilton Seattle Airport & Conference Center
DoubleTree by Hilton Seattle Airport

DoubleTree by Hilton Seattle Airport

4 out of 5
18740 International Boulevard SeaTac WA
$135 nightly
The price is $154 total per night from Sep 27 to Sep 28
$154 total
Sep 27 - Sep 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 ...
DoubleTree by Hilton Seattle 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.

Hotels In Seattle

The Paramount Hotel

The Paramount Hotel

3.5 out of 5
724 Pine St Seattle WA
$199 nightly
The price is $235 total per night from Oct 11 to Oct 12
$235 total
Oct 11 - Oct 12
Total with taxes and fees
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the restaurant and the helpful ...
9.2/10 Wonderful! (3,696 reviews)
"Everything was great. Friendly and nice room. A little loud with outside noise but nothing the hotel can do about that"

Reviewed on Sep 13, 2026

The Paramount Hotel
Mayflower Park Hotel

Mayflower Park Hotel

4 out of 5
405 Olive Way Seattle WA
$179 nightly
The price is $212 total per night from Oct 5 to Oct 6
$212 total
Oct 5 - Oct 6
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 ...
Mayflower Park Hotel
The Belltown Inn

The Belltown Inn

2.5 out of 5
2301 3rd Avenue Seattle WA
$126 nightly
The price is $148 total per night from Oct 13 to Oct 14
$148 total
Oct 13 - Oct 14
Total with taxes and fees
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and free bicycles on site. Our guests praise the helpful staff and ...
9.4/10 Exceptional! (4,920 reviews)
"Hotel is situated well for anyone going on a cruise. About a 12 minute walk to Norwegian cruise terminal"

Reviewed on Sep 13, 2026

The Belltown Inn
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
$81 nightly
The price is $93 total per night from Oct 1 to Oct 2
$93 total
Oct 1 - Oct 2
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 (1,954 reviews)
"The lady at the front desk upon arrival was short with us, one word answers and quick to get us out of her face. Vending machines are outdated. I found poo on my toilet fr the previous visitors, the people across my hotel were smoking in the room, when reported nothing was done. The restaurant by ..."

Reviewed on Sep 13, 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
$62 nightly
The price is $72 total per night from Oct 1 to Oct 2
$72 total
Oct 1 - Oct 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. ...
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
$86 nightly
The price is $97 total per night from Oct 8 to Oct 9
$97 total
Oct 8 - Oct 9
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! (1,388 reviews)
"Room was clean, beds and pillows were comfortable. Staff was welcoming and gave us a good option for dinner within walking distance of the hotel. Parking was free for our rental. The hotel could use some updating. It was fine for one night. A bit noisy since it is so close to the airport and ..."

Reviewed on Sep 13, 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
$62 nightly
The price is $72 total per night from Oct 1 to Oct 2
$72 total
Oct 1 - Oct 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. ...
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
$86 nightly
The price is $97 total per night from Oct 8 to Oct 9
$97 total
Oct 8 - Oct 9
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! (1,388 reviews)
"Room was clean, beds and pillows were comfortable. Staff was welcoming and gave us a good option for dinner within walking distance of the hotel. Parking was free for our rental. The hotel could use some updating. It was fine for one night. A bit noisy since it is so close to the airport and ..."

Reviewed on Sep 13, 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
$81 nightly
The price is $93 total per night from Oct 1 to Oct 2
$93 total
Oct 1 - Oct 2
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 (1,954 reviews)
"The lady at the front desk upon arrival was short with us, one word answers and quick to get us out of her face. Vending machines are outdated. I found poo on my toilet fr the previous visitors, the people across my hotel were smoking in the room, when reported nothing was done. The restaurant by ..."

Reviewed on Sep 13, 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
$161 nightly
The price is $187 total per night from Sep 20 to Sep 21
$187 total
Sep 20 - Sep 21
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! (1,488 reviews)

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

Travelers say...
"Was a good location for a wedding event we were there for."

Reviewed on Sep 13, 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
$125 nightly
The price is $143 total per night from Oct 3 to Oct 4
$143 total
Oct 3 - Oct 4
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! (1,002 reviews)
"Great stay except the heavy footed person that was staying above our unit that kept us up all night. Very clean and new hotel."

Reviewed on Sep 12, 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
$151 nightly
The price is $178 total per night from Oct 14 to Oct 15
$178 total
Oct 14 - Oct 15
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! (2,316 reviews)
"We stayed overnight before a cruise. We got there early and they secured our bags so we could do a little site seeing. The staff was so friendly and accommodating. They provided a map and directions to where we wanted to go, and they even loaned us an umbrella, just in case. The bistro had great ..."

Reviewed on Sep 13, 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.

BWI to SEA Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
BWI Address & GPS
Address:
Baltimore MD, 21240
United States
IATA Code:
BWI
Longitude:
-76.668941
Latitude:
39.179526
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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SEA?
Passengers can jet from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines, the only airline offering direct flights on this route.
What is the shortest flight from BWI Marshall to Sea-Tac Airport?
The quickest flight time from Baltimore to Seattle is 8 hours and 33 minutes. Grab your favorite tipple from the drink trolley, perfect your travel itinerary or get to know your neighbors — you'll have the time on this medium-haul journey.
How many hours flight from BWI Marshall to Sea-Tac Airport?
The flight from BWI to Sea-Tac Airport will take approximately 8 hours and 37 minutes. A couple of movies, some journaling and a bit of shut-eye will help make time zip by.
What airlines have the most flights from BWI Marshall to Sea-Tac Airport?
Ready to hit the "book" button on your Baltimore to Seattle airfare? Make Alaska Airlines your number one pick. With 26 flights every month to choose from on this route, they have the ticket to your next exciting adventure.

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.

More to Explore