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 $50 One Way, $100 Round Trip

Prices starting at $100 for return flights and $50 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, May 31 - Sat, Jun 7
ONT
Ontario
SEA
Seattle
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 31 from Ontario to Seattle, returning Sat, Jun 7, priced at $100 just found
Tue, Jun 3 - Tue, Jun 10
ONT
Ontario
SEA
Seattle
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jun 3 from Ontario to Seattle, returning Tue, Jun 10, priced at $102 found 1 hour ago
Wed, Jun 11 - Sat, Jun 14
ONT
Ontario
SEA
Seattle
$105 Roundtrip, found 1 day ago
$105
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jun 11 from Ontario to Seattle, returning Sat, Jun 14, priced at $105 found 1 day ago
Tue, Jun 10 - Tue, Jun 17
ONT
Ontario
SEA
Seattle
$105 Roundtrip, found 7 hours ago
$105
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Jun 10 from Ontario to Seattle, returning Tue, Jun 17, priced at $105 found 7 hours ago
Tue, May 20 - Wed, May 21
ONT
Ontario
SEA
Seattle
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, May 20 from Ontario to Seattle, returning Wed, May 21, priced at $160 found 2 days ago

Hotel Ideas near Seattle - Tacoma Intl.

Airport Hotels near Seattle - Tacoma Intl.

DoubleTree by Hilton Seattle Airport
DoubleTree by Hilton Seattle Airport
4 out of 5
18740 International Boulevard, SeaTac, WA
The price is $160 per night from Apr 28 to Apr 29
$160
includes taxes & fees
$140 per night
Apr 28 - Apr 29
Stay at this 4-star business-friendly hotel in SeaTac. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (2,119 reviews)
Happy
"Upgrade to the Penthouse!!"

Reviewed on Apr 23, 2025

DoubleTree by Hilton Seattle Airport
Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5
18415 International Blvd, SeaTac, WA
The price is $125 per night from Apr 27 to Apr 28
$125
includes taxes & fees
$109 per night
Apr 27 - Apr 28
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! (7,135 reviews)
"Hotel was close to the airport, clean and quiet"

Reviewed on Apr 22, 2025

Coast Gateway Hotel
Red Roof Inn Seattle Airport - SEATAC
Red Roof Inn Seattle Airport - SEATAC
2 out of 5
16838 International Boulevard, SeaTac, WA
The price is $75 per night from Apr 28 to Apr 29
$75
includes taxes & fees
$65 per night
Apr 28 - Apr 29
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! (4,123 reviews)
"Just a lot of people roamingbatound parking lot felt unsafe"

Reviewed on Apr 22, 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

The Belltown Inn
The Belltown Inn
2.5 out of 5
2301 Third Avenue, Seattle, WA
The price is $161 per night from Apr 27 to Apr 28
$161
includes taxes & fees
$136 per night
Apr 27 - Apr 28
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 ...
9.2/10 Wonderful! (3,586 reviews)
"I didn't expect this hotel to be as nice as it is. The property is well kept, the staff are friendly and knowledgeable, and the price is very affordable."

Reviewed on Apr 23, 2025

The Belltown Inn
Mediterranean Inn
Mediterranean Inn
3 out of 5
425 Queen Anne Ave N, Seattle, WA
The price is $186 per night from Apr 28 to Apr 29
$186
includes taxes & fees
$158 per night
Apr 28 - Apr 29
Stay at this 3-star business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and a 24-hour fitness center. Our guests praise the helpful staff ...
9.2/10 Wonderful! (5,166 reviews)
"close to the space needle and safeway across the street."

Reviewed on Apr 23, 2025

Mediterranean Inn
DoubleTree by Hilton Seattle Airport
DoubleTree by Hilton Seattle Airport
4 out of 5
18740 International Boulevard, SeaTac, WA
The price is $160 per night from Apr 28 to Apr 29
$160
includes taxes & fees
$140 per night
Apr 28 - Apr 29
Stay at this 4-star business-friendly hotel in SeaTac. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (2,119 reviews)
Happy
"Upgrade to the Penthouse!!"

Reviewed on Apr 23, 2025

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.

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
The price is $92 per night from Apr 26 to Apr 27
$92
includes taxes & fees
$80 per night
Apr 26 - Apr 27
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 (1,903 reviews)
Good stay good price
"Not bad for the price and convenience"

Reviewed on Apr 19, 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
The price is $75 per night from Apr 28 to Apr 29
$75
includes taxes & fees
$65 per night
Apr 28 - Apr 29
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! (4,123 reviews)
"Just a lot of people roamingbatound parking lot felt unsafe"

Reviewed on Apr 22, 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
The price is $76 per night from Apr 27 to Apr 28
$76
includes taxes & fees
$68 per night
Apr 27 - Apr 28
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 ...
7/10 Good! (1,077 reviews)
"Property is older, but well maintained and staff was very friendly. I felt safe in the area, and its very conveneient from the airport, but I didnt realize just how far away from Seattle attractions we were."

Reviewed on Apr 21, 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
The price is $75 per night from Apr 28 to Apr 29
$75
includes taxes & fees
$65 per night
Apr 28 - Apr 29
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! (4,123 reviews)
"Just a lot of people roamingbatound parking lot felt unsafe"

Reviewed on Apr 22, 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
The price is $76 per night from Apr 27 to Apr 28
$76
includes taxes & fees
$68 per night
Apr 27 - Apr 28
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 ...
7/10 Good! (1,077 reviews)
"Property is older, but well maintained and staff was very friendly. I felt safe in the area, and its very conveneient from the airport, but I didnt realize just how far away from Seattle attractions we were."

Reviewed on Apr 21, 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
The price is $92 per night from Apr 26 to Apr 27
$92
includes taxes & fees
$80 per night
Apr 26 - Apr 27
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 (1,903 reviews)
Good stay good price
"Not bad for the price and convenience"

Reviewed on Apr 19, 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
The price is $185 per night from May 3 to May 4
$185
includes taxes & fees
$160 per night
May 3 - May 4
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 ...
8.4/10 Very Good! (1,000 reviews)
"Really nice place to stay and safe"

Reviewed on Apr 21, 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
The price is $153 per night from May 1 to May 2
$153
includes taxes & fees
$134 per night
May 1 - May 2
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! (1,000 reviews)
"Overall, our stay was excellent!"

Reviewed on Apr 20, 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
The price is $180 per night from May 18 to May 19
$180
includes taxes & fees
$153 per night
May 18 - May 19
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! (1,782 reviews)
"great staff!"

Reviewed on Apr 23, 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
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
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

Am I able to catch a flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) now?
Head to the Covid-19 Travel Advisor for the most comprehensive information on quarantine and travel restrictions when getting a flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.).
Are there non-stop flights from Ontario Airport to SEA?
If you’re not a massive fan of stopovers, we’ve got good news for you. There are several airline companies that operate direct flights from ONT to Sea-Tac Airport, including the likes of Alaska Airlines and Delta.
What is the shortest flight from Ontario Airport to Sea-Tac Airport?
Leave those movies on your laptop for your hotel room, because the trip from San Bernardino County to Northgate will go by in a flash. It can take a mere 2 hours and 39 minutes to jet from ONT to Seattle - Tacoma Intl. Airport (SEA).
How many hours flight from ONT to Sea-Tac Airport?
Don’t get too comfy — the general flight time from ONT to SEA is a short 2 hours and 44 minutes.
If I am not able to travel due to COVID-19, can I cancel my flight to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.)?
We get that traveling right now has its challenges, so it’s good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you’ll quickly see what options are available. Our Customer Service Portal is the place to go for more information.
Are there flights to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) with flexible change policies?
In most cases you’ll have the option to reschedule your flight to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the “no change fees” filter and book with confidence.
What airlines have the most flights from Los Angeles - Ontario Intl. Airport (ONT) to Sea-Tac Airport?
Outstanding service, on-time arrival performance and superior in-flight entertainment are just a few things that make an airline stand out from the rest. If you’re jetting from ONT to Seattle - Tacoma Intl. Airport (SEA), why not fly with the best? Delta (DL) operates 119 flights on this route each month. If you can’t find the right flight there, look into the fares from Alaska Airlines (AS). This carrier is another excellent choice and has 71 flights from San Bernardino County to Northgate each month.

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.