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

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Cheap Flights from SEA to ONT starting at $106 One Way, $217 Round Trip

Prices starting at $217 for return flights and $106 for one-way flights to Ontario Intl. Airport 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, Jul 31 - Sun, Aug 2
SEA
Seattle
ONT
Ontario
$217 Roundtrip, found 11 hours ago
$217
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Fri, Jul 31 from Seattle to Ontario, returning Sun, Aug 2, priced at $217 found 11 hours ago
Fri, Jul 31 - Sun, Aug 2
SEA
Seattle
ONT
Ontario
$218 Roundtrip, found 11 hours ago
$218
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Jul 31 from Seattle to Ontario, returning Sun, Aug 2, priced at $218 found 11 hours ago
Wed, Aug 5 - Mon, Aug 10
SEA
Seattle
ONT
Ontario
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Seattle to Ontario, returning Mon, Aug 10, priced at $219 found 1 day ago
Thu, Jul 16 - Fri, Jul 24
SEA
Seattle
ONT
Ontario
$222 Roundtrip, found 8 hours ago
$222
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Jul 16 from Seattle to Ontario, returning Fri, Jul 24, priced at $222 found 8 hours ago
Thu, Jul 9 - Sat, Jul 18
SEA
Seattle
ONT
Ontario
$223 Roundtrip, found 3 hours ago
$223
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jul 9 from Seattle to Ontario, returning Sat, Jul 18, priced at $223 found 3 hours ago

Hotel Ideas near Ontario Intl. Airport

Airport Hotels near Ontario Intl. Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd Ontario CA
$100 nightly
The price is $114 total per night from May 31 to Jun 1
$114 total
May 31 - Jun 1
Total with taxes and fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.2/10 Very Good! (2,314 reviews)
"Very nice hotel for a quick stay. Super friendly and helpful staff. Seriously well kept property. The room was large and comfortable with plenty of room and storage. Everything was in it's place and we didn't have to look or call for anything extra. The bed was really comfortable and had to wake ..."

Reviewed on May 25, 2026

La Quinta Inn & Suites by Wyndham Ontario Airport
DoubleTree by Hilton Ontario Airport

DoubleTree by Hilton Ontario Airport

4 out of 5
222 N Vineyard Ave Ontario CA
$126 nightly
The price is $145 total per night from Jun 7 to Jun 8
$145 total
Jun 7 - Jun 8
Total with taxes and fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, 2 restaurants, and a nightclub. Our guests praise the helpful staff and the clean rooms ...
8.4/10 Very Good! (1,014 reviews)
"They know how to “take” a reservation. They don’t know how to “hold” the reservation. The most important part."

Reviewed on May 25, 2026

DoubleTree by Hilton Ontario Airport
Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG

3 out of 5
2155 E. Convention Center Way Ontario CA
$119 nightly
The price is $137 total per night from May 31 to Jun 1
$137 total
May 31 - Jun 1
Total with taxes and fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the ...
8.8/10 Excellent! (1,331 reviews)
"Great all though the elevator was not working 100%"

Reviewed on May 25, 2026

Holiday Inn Ontario Airport by IHG
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 Ontario Intl. Airport

Hyatt Regency Los Angeles International Airport

Hyatt Regency Los Angeles International Airport

4 out of 5
6225 W Century Blvd Los Angeles CA
$176 nightly
The price is $205 total per night from Jun 9 to Jun 10
$205 total
Jun 9 - Jun 10
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the breakfast ...
8.8/10 Excellent! (4,750 reviews)
"Friendly staff, clean room and convenient location, restaurant open later and had good food and great service"

Reviewed on May 26, 2026

Hyatt Regency Los Angeles International Airport
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
$135 nightly
The price is $157 total per night from Jun 2 to Jun 3
$157 total
Jun 2 - Jun 3
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy 5 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.2/10 Very Good! (5,574 reviews)
"Great service and location. Shuttle was excellent. Driver was great."

Reviewed on May 26, 2026

Hilton Los Angeles Airport
The Westin Bonaventure Hotel and Suites, Los Angeles

The Westin Bonaventure Hotel and Suites, Los Angeles

4 out of 5
404 S Figueroa St Los Angeles CA
$191 nightly
The price is $222 total per night from May 27 to May 28
$222 total
May 27 - May 28
Total with taxes and fees
Book a stay at this spa hotel in Los Angeles. Enjoy a full-service spa, 3 restaurants, and 3 bars/lounges. Our guests praise the helpful staff and the clean ...
8.8/10 Excellent! (3,090 reviews)
"Nice clean place places to eat and drink"

Reviewed on May 26, 2026

The Westin Bonaventure Hotel and Suites, Los Angeles
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.

Ontario Intl. Airport Hotels With Airport Transportation

Sheraton Gateway Los Angeles Hotel

Sheraton Gateway Los Angeles Hotel

4 out of 5
6101 W Century Blvd Los Angeles CA
$135 nightly
The price is $157 total per night from May 28 to May 29
$157 total
May 28 - May 29
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy breakfast (surcharge), a free airport shuttle, and a health club. Our guests praise the pool ...
8.4/10 Very Good! (8,081 reviews)
"I was very surprised on this hotel I Thought it would be one of the best in the area. Until I woke up to a roach in my bed next to me. I was immediately disgusted and got my stuff and left early that morning. I talked to management and still waiting to hear from them. This was very disappointing ..."

Reviewed on May 26, 2026

Sheraton Gateway Los Angeles Hotel
Hilton Los Angeles Airport

Hilton Los Angeles Airport

4 out of 5
5711 W Century Blvd Los Angeles CA
$135 nightly
The price is $157 total per night from Jun 2 to Jun 3
$157 total
Jun 2 - Jun 3
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy 5 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.2/10 Very Good! (5,574 reviews)
"Great service and location. Shuttle was excellent. Driver was great."

Reviewed on May 26, 2026

Hilton Los Angeles Airport
Sonesta Los Angeles Airport LAX

Sonesta Los Angeles Airport LAX

4 out of 5
5985 W Century Blvd Los Angeles CA
$150 nightly
The price is $174 total per night from May 27 to May 28
$174 total
May 27 - May 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free WiFi, 4 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and ...
8.2/10 Very Good! (4,373 reviews)
"Very clean room. Modern amenities. Room is not noise isolated. But cleanliness and modern amenities made it up."

Reviewed on May 26, 2026

Sonesta Los Angeles Airport LAX
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 Ontario Intl. Airport Hotels

Motel 6 Los Angeles, CA - Los Angeles - LAX

Motel 6 Los Angeles, CA - Los Angeles - LAX

2 out of 5
5101 W Century Blvd Inglewood CA
$82 nightly
The price is $95 total per night from May 31 to Jun 1
$95 total
May 31 - Jun 1
Total with taxes and fees
Stay at this motel in Inglewood. Enjoy free WiFi, parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our ...
7.4/10 Good! (8,740 reviews)
"TERRIBLE PROPERTY"

Reviewed on May 26, 2026

Motel 6 Los Angeles, CA - Los Angeles - LAX
Los Angeles Adventurer All Suite Hotel at LAX

Los Angeles Adventurer All Suite Hotel at LAX

2.5 out of 5
4200 W Century Blvd. Inglewood CA
$97 nightly
The price is $112 total per night from May 27 to May 28
$112 total
May 27 - May 28
Total with taxes and fees
Stay at this hotel in Inglewood. Enjoy free WiFi, free parking, and room service. Popular attractions SoFi Stadium and Kia Forum are located nearby.
4.6/10 (1,000 reviews)
"Na"

Reviewed on May 24, 2026

Los Angeles Adventurer All Suite Hotel at LAX
Good Nite Inn - Calabasas

Good Nite Inn - Calabasas

2 out of 5
26557 Agoura Rd Agoura Hills CA
$94 nightly
The price is $105 total per night from May 27 to May 28
$105 total
May 27 - May 28
Total with taxes and fees
Stay at this motel in Agoura Hills. Enjoy free WiFi, a 24-hour front desk, and daily housekeeping. Our guests praise the pool and the helpful staff in our reviews. ...
8.4/10 Very Good! (2,353 reviews)
"I found bed bugs and hoping to get refund but not getting anywhere. Praying I do."

Reviewed on May 25, 2026

Good Nite Inn - Calabasas
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 Ontario Intl. Airport

The Garland

The Garland

4.5 out of 5
4222 Vineland Ave North Hollywood CA
$223 nightly
The price is $256 total per night from May 27 to May 28
$256 total
May 27 - May 28
Total with taxes and fees
Book a stay at this luxury hotel in North Hollywood. Enjoy free WiFi, breakfast (surcharge), and a free area shuttle. Our guests praise the pool and the restaurant ...
9.4/10 Exceptional! (2,711 reviews)
"I absolutely love everything about this property. The Old Hollywood decor is beautiful, but what do you expect it is Beverly Garland! The staff is amazing the layout features a very relaxing courtyard and courtyard bar, the pool and spa are so inviting I could have relaxed out there all day! My room ..."

Reviewed on May 26, 2026

The Garland
Residence Inn by Marriott Los Angeles LAX/Century Boulevard

Residence Inn by Marriott Los Angeles LAX/Century Boulevard

4 out of 5
5933 W Century Blvd Los Angeles CA
$157 nightly
The price is $182 total per night from May 28 to May 29
$182 total
May 28 - May 29
Total with taxes and fees
Book a stay at this business-friendly hotel in Los Angeles. Enjoy free breakfast, free WiFi, and 2 restaurants. Our guests praise the breakfast and the helpful ...
8.6/10 Excellent! (1,559 reviews)
"Very clean and the room was pretty big compared to others. What I did not like was the breakfast . They did not had many options"

Reviewed on May 26, 2026

Residence Inn by Marriott Los Angeles LAX/Century Boulevard
Azure Hotel & Suites, Trademark Collection by Wyndham

Azure Hotel & Suites, Trademark Collection by Wyndham

3 out of 5
1945 E. Holt Blvd Ontario CA
$103 nightly
The price is $117 total per night from Jun 7 to Jun 8
$117 total
Jun 7 - Jun 8
Total with taxes and fees
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (2,288 reviews)
"Warm up the pool please. Had a good room love the set up. Had a first floor room with a slider access to the courtyard pool area. Disappointing breakfast No danish treats or muffins? No flavored creamers . Starbucks across the street saved us"

Reviewed on May 26, 2026

Azure Hotel & Suites, Trademark Collection by Wyndham
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.

SEA to ONT Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles
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

Frequently asked questions

Are there non-stop flights from Sea-Tac Airport to Ontario Airport?
If you're itching to travel from Sea-Tac Airport to ONT with no stopovers, you're in luck — there are 3 airlines which offer direct services on this route. Here are some of the most well-respected ones:

  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines

What is the shortest flight from Sea-Tac Airport to Ontario Airport?
If the weather is good and all goes as planned, you could be disembarking at Ontario Airport from Sea-Tac Airport in just 2 hours and 31 minutes. With such a brief flight time, contemplate bringing just carry-on luggage.
How many hours flight from Seattle - Tacoma Intl. Airport (SEA) to Los Angeles - Ontario Intl. Airport (ONT)?
It takes 2 hours and 40 minutes on average to get from SEA to ONT. Whip out your travel book and start circling the spots you'd like to visit. It won't be long before you'll be seeing them in person.
What airlines have the most flights from Sea-Tac Airport to Ontario Airport?
First-rate service, reliability and superb in-flight entertainment are just a few things that make an airline shine. If you need to get from Sea-Tac Airport to ONT, why not fly with the best? Frontier Airlines (F9) operates 15 flights on this route every month. Delta Air Lines (DL) also operates services from Seattle to Ontario. It's another great option and has 73 flights every 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.

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