Cheap flights from ONT to SEA (Los Angeles - Ontario Intl. to Seattle - Tacoma Intl.)

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Cheap Flights from ONT to SEA starting at $63 One Way, $127 Round Trip

Prices starting at $127 for return flights and $63 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.

Sat, Aug 23 - Tue, Aug 26
ONT
Ontario
SEA
Seattle
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Aug 23 from Ontario to Seattle, returning Tue, Aug 26, priced at $127 found 2 days ago
Wed, Aug 20 - Wed, Aug 27
ONT
Ontario
SEA
Seattle
$130 Roundtrip, found 2 days ago
$130
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Aug 20 from Ontario to Seattle, returning Wed, Aug 27, priced at $130 found 2 days ago
Mon, Sep 22 - Thu, Sep 25
ONT
Ontario
SEA
Seattle
$134 Roundtrip, found 4 days ago
$134
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Sep 22 from Ontario to Seattle, returning Thu, Sep 25, priced at $134 found 4 days ago
Tue, Aug 26 - Thu, Aug 28
ONT
Ontario
SEA
Seattle
$135 Roundtrip, found 2 days ago
$135
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 26 from Ontario to Seattle, returning Thu, Aug 28, priced at $135 found 2 days ago
Wed, Aug 6 - Wed, Aug 13
ONT
Ontario
SEA
Seattle
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Aug 6 from Ontario to Seattle, returning Wed, Aug 13, priced at $157 found 4 hours 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
$169 nightly
The price is $192 total per night from Jul 13 to Jul 14
$192 total
Jul 13 - Jul 14
Total includes taxes and fees
Stay at this 3.5-star 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! (7,317 reviews)
"Great place to stay for the night if you need a bed for your head while waiting for a connecting flight. Check in with the friendly staff was easy, and the free breakfast was a notch above your average. Beds were comfy, and the overall cleanliness was great, but there's obviously some small wear ..."

Reviewed on Jul 11, 2025

Coast 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
$126 nightly
The price is $144 total per night from Aug 3 to Aug 4
$144 total
Aug 3 - Aug 4
Total includes taxes and fees
Stay at this 3.5-star business-friendly hotel in SeaTac. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the ...
7.8/10 Good! (1,750 reviews)
Easy stay
"Perfect for the night before a cruise. Easy access from the airport and Seattle Express shuttles straight to the pier."

Reviewed on Jul 9, 2025

SureStay Hotel by Best Western SeaTac Airport North
Red Roof Inn Seattle Airport - SEATAC
Red Roof Inn Seattle Airport - SEATAC
2 out of 5
16838 International Boulevard, SeaTac, WA
$112 nightly
The price is $128 total per night from Jul 27 to Jul 28
$128 total
Jul 27 - Jul 28
Total includes 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! (4,351 reviews)
"Everything worked ok"

Reviewed on Jul 9, 2025

Red Roof Inn Seattle Airport - SEATAC
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

Executive Hotel Pacific
Executive Hotel Pacific
3 out of 5
400 Spring St, Seattle, WA
$159 nightly
The price is $188 total per night from Jul 13 to Jul 14
$188 total
Jul 13 - Jul 14
Total includes taxes and fees
Stay at this hotel in Seattle. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful staff and the clean rooms ...
7.8/10 Good! (3,438 reviews)
"Very clean hotel room. Little small for 2 beds Great beds comfy. Quite some outside downtown noise. Staff was very helpful and accommodating. We were traveling with a wheelchair family member. staff was very attentive and helpful in helping us get around. We had a normal room, not wheelchair ..."

Reviewed on Jul 10, 2025

Executive Hotel Pacific
Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5
18415 International Blvd, SeaTac, WA
$169 nightly
The price is $192 total per night from Jul 13 to Jul 14
$192 total
Jul 13 - Jul 14
Total includes taxes and fees
Stay at this 3.5-star 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! (7,317 reviews)
"Great place to stay for the night if you need a bed for your head while waiting for a connecting flight. Check in with the friendly staff was easy, and the free breakfast was a notch above your average. Beds were comfy, and the overall cleanliness was great, but there's obviously some small wear ..."

Reviewed on Jul 11, 2025

Coast Gateway Hotel
citizenM Seattle Pioneer Square
citizenM Seattle Pioneer Square
4 out of 5
60 Yesler Way, Seattle, WA
$189 nightly
The price is $223 total per night from Jul 13 to Jul 14
$223 total
Jul 13 - Jul 14
Total includes taxes and fees
Stay at this 4-star hotel in Seattle. Enjoy breakfast (surcharge), a 24-hour front desk, and satellite TV channels. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (3,444 reviews)
"Great"

Reviewed on Jul 9, 2025

citizenM Seattle Pioneer Square
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
$127 nightly
The price is $145 total per night from Jul 13 to Jul 14
$145 total
Jul 13 - Jul 14
Total includes 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 restaurant and the clean ...
6.2/10 (1,899 reviews)
"We flew in late. It was a convenient place to sleep."

Reviewed on Jul 11, 2025

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
$112 nightly
The price is $128 total per night from Jul 27 to Jul 28
$128 total
Jul 27 - Jul 28
Total includes 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! (4,351 reviews)
"Everything worked ok"

Reviewed on Jul 9, 2025

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
$104 nightly
The price is $117 total per night from Jul 13 to Jul 14
$117 total
Jul 13 - Jul 14
Total includes 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 ...
7.2/10 Good! (1,074 reviews)
"Friendly staff, super close to airport, reliable shuttle"

Reviewed on Jul 9, 2025

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
$112 nightly
The price is $128 total per night from Jul 27 to Jul 28
$128 total
Jul 27 - Jul 28
Total includes 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! (4,351 reviews)
"Everything worked ok"

Reviewed on Jul 9, 2025

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
$104 nightly
The price is $117 total per night from Jul 13 to Jul 14
$117 total
Jul 13 - Jul 14
Total includes 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 ...
7.2/10 Good! (1,074 reviews)
"Friendly staff, super close to airport, reliable shuttle"

Reviewed on Jul 9, 2025

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
$127 nightly
The price is $145 total per night from Jul 13 to Jul 14
$145 total
Jul 13 - Jul 14
Total includes 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 restaurant and the clean ...
6.2/10 (1,899 reviews)
"We flew in late. It was a convenient place to sleep."

Reviewed on Jul 11, 2025

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
$178 nightly
The price is $206 total per night from Jul 27 to Jul 28
$206 total
Jul 27 - Jul 28
Total includes taxes and fees
Stay at this 3.5-star business-friendly hotel in Bellevue. Enjoy free breakfast, room service, and a fitness center. Our guests praise the breakfast and the ...
8.6/10 Excellent! (1,007 reviews)
"Highly recommend Embassy Suites in Bellevue. Great location near downtown and restaurants. Friendly staff, spotless rooms, and excellent amenities. The complimentary breakfast was available for all guests, along with drinks for members. Overall, a fantastic stay—very pleased!"

Reviewed on Jul 10, 2025

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
$172 nightly
The price is $195 total per night from Jul 28 to Jul 29
$195 total
Jul 28 - Jul 29
Total includes taxes and fees
Stay at this 3-star 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. ...
8.4/10 Very Good! (1,009 reviews)
"Second stay here. it's convenient location if doing things in seattle, decently designed, overall clean safe nice quality. We used to live in that area, I'd recommend it to family and friends to stay."

Reviewed on Jul 7, 2025

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
$246 nightly
The price is $290 total per night from Jul 27 to Jul 28
$290 total
Jul 27 - Jul 28
Total includes taxes and fees
Stay at this 3.5-star boutique hotel in Seattle. Enjoy a fitness center, parking (surcharge), and a 24-hour front desk. Our guests praise the bar and the helpful ...
9.4/10 Exceptional! (1,882 reviews)
"We really enjoyed our stay and our 11 year old loved the pool and the interactive options in the lobby."

Reviewed on Jul 10, 2025

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.

ONT to SEA Route Info

Origin Airport
Los Angeles
Destination Airport
Seattle
Number Of Airlines Serving
11
Distance
956 mi
Shortest Flight Departure Time
2:21PM PDT
Shortest Flight Departure Date
Jul 19
ONT Address & GPS
Address:
2900 E. Airport Drive
Ontario CA, 91761
United States
IATA Code:
ONT
Longitude:
-117.601193
Latitude:
34.056001
Time Zone:
America/Los_Angeles
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 ONT to Sea-Tac Airport?
We're just about to make your upcoming vacation even better --- there are 3 airlines that will take you directly from ONT to SEA. Regular jetsetters recommend these top carriers:

  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines

What is the shortest flight from ONT to Sea-Tac Airport?
If the weather is good and there are no delays, you could be jetting into SEA from Los Angeles - Ontario Intl. Airport (ONT) in as little as 2 hours and 51 minutes. With such a brief flight time, contemplate traveling with hand luggage only.
How many hours flight from ONT to Seattle - Tacoma Intl. Airport (SEA)?
The general flight time from ONT to SEA is a leisurely 2 hours and 54 minutes. So, throw a few things in your suitcase and hop on a flight. There's nothing more exhilarating than an impromptu vacation.
What airlines have the most flights from Ontario Airport to Sea-Tac Airport?
A worry-free, full-of-fun vacation starts with choosing a top-notch airline. Frontier Airlines (F9) offers 15 flights every month from ONT to Seattle - Tacoma Intl. Airport (SEA). Why not step on board and see why it has a reputation for being one of the best? Delta Air Lines (DL) also services the route from Ontario to Seattle. It's another reliable choice and has 73 flights monthly.

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.