$60 Cheap flight deals from Seattle (SEA) to San Bernardino (QLA)

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This Weekend's Flight Deals from Seattle to San Bernardino

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 1 - Fri, Aug 8
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Seattle Paine Field Intl. Airport to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $231 found 7 hours ago
Fri, Aug 1 - Fri, Aug 8
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Seattle Paine Field Intl. Airport to Los Angeles - Ontario Intl., returning Fri, Aug 8, priced at $231 found 7 hours ago
Sat, Aug 2 - Tue, Nov 4
PAE
Seattle Paine Field Intl. Airport
PSP
Palm Springs Intl.
$381 Roundtrip, found 6 days ago
$381
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 2 from Seattle Paine Field Intl. Airport to Palm Springs Intl., returning Tue, Nov 4, priced at $381 found 6 days ago
Sat, Aug 2 - Tue, Nov 4
PAE
Seattle Paine Field Intl. Airport
PSP
Palm Springs Intl.
$381 Roundtrip, found 6 days ago
$381
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 2 from Seattle Paine Field Intl. Airport to Palm Springs Intl., returning Tue, Nov 4, priced at $381 found 6 days ago

Airfares from $60 One Way, $81 Round Trip from Seattle to San Bernardino

Prices starting at $81 for return flights and $60 for one-way flights to San Bernardino 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 30 - Tue, Sep 2
SEA
Seattle
ONT
Ontario
$81 Roundtrip, found 2 days ago
$81
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Aug 30 from Seattle to Ontario, returning Tue, Sep 2, priced at $81 found 2 days ago
Thu, Aug 14 - Sat, Aug 30
SEA
Seattle
ONT
Ontario
$89 Roundtrip, found 2 days ago
$89
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Seattle to Ontario, returning Sat, Aug 30, priced at $89 found 2 days ago
Sat, Sep 13 - Wed, Sep 17
SEA
Seattle
ONT
Ontario
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 13 from Seattle to Ontario, returning Wed, Sep 17, priced at $138 found 5 days ago
Sat, Sep 13 - Tue, Sep 16
SEA
Seattle
PSP
Palm Springs
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Sat, Sep 13 from Seattle to Palm Springs, returning Tue, Sep 16, priced at $157 found 4 days ago
Wed, Oct 8 - Wed, Oct 29
SEA
Seattle
PSP
Palm Springs
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 8 from Seattle to Palm Springs, returning Wed, Oct 29, priced at $157 found 4 days ago

San Bernardino economy flight packages

Price found within the past 48 hours. Click for updated prices.
Economy Inn - Ontario Airport/Chino
2.0-star property

Economy Inn - Ontario Airport/Chino

7.4/10 Good! (431 reviews)

Sep 13 - Sep 15

2 night stay

Seattle (SEA) to Ontario (ONT)

United • Non-stop • Coach

Ontario (ONT) to Seattle (SEA)

Frontier Airlines • Non-stop • Coach
per person
found 15 hours ago
I think that it does need to be advertised that the deposit is more if you get the jetted tub room and that the bigger tub room is more expensive. Staff was very friendly and even showed me the room before giving the room.

Reviewed on Jun 21, 2025

Fairfield Inn & Suites Riverside Corona/Norco
2.5-star property

Fairfield Inn & Suites Riverside Corona/Norco

9.2/10 Wonderful! (1,000 reviews)

Sep 3 - Sep 8

5 night stay

Seattle (SEA) to Ontario (ONT)

United • Non-stop • Coach

Ontario (ONT) to Seattle (SEA)

Frontier Airlines • Non-stop • Coach
per person
found 1 day ago
The property did not offer daily housekeeping. The free breakfast was very disappointing for a Fairfield. There were no muffins or even bread offered for toast. Coffee was out very frequently. Had to ask for more to be made every morning.

Reviewed on Sep 5, 2022

Sheraton Ontario Airport Hotel
3.5-star property

Sheraton Ontario Airport Hotel

8.4/10 Very Good! (1,001 reviews)

Sep 15 - Sep 19

4 night stay

Seattle (SEA) to Ontario (ONT)

Frontier Airlines • Roundtrip • Coach
per person
found 1 day ago
I recently stayed at the Sheraton Ontario Airport Hotel and had a wonderful experience. The hotel's location is incredibly convenient, being near the freeway and close to all the main areas, including shopping centers and the airport. This made arrivals and departures a breeze. The picturesque views from the hotel were quite relaxing and calming, adding a touch of serenity to my stay. The hotel itself was clean and well-maintained, with comfortable rooms and friendly staff who were always ready to assist. Overall, I highly recommend the Sheraton Ontario Airport Hotel for its convenience, beautiful views, and excellent service.

Reviewed on Feb 24, 2025

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More About Flying To San Bernardino from Seattle

Route Information for Flights from Seattle to San Bernardino

Origin Airport IATA Code
SEA
Destination Airport IATA Code
QLA
Distance
956 mi
Direct Flight Airlines
Qatar Airways, KLM, JAL, Alaska Airlines, Frontier Airlines, SAS, Delta Air Lines, Hawaiian Airlines, Korean Air, WestJet, Virgin Atlantic
Earliest Flight Arrival
5:25PM UTC
Latest Flight Arrival
7:15AM UTC

Seattle to San Bernardino

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Frequently asked questions

Are there non-stop flights from Seattle to San Bernardino?
There are two airlines that fly nonstop from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Ontario Airport. Book now with Alaska Airlines or Delta.
What is the shortest flight from Seattle to San Bernardino?
It can take as little as 2 hours and 25 minutes. If you think your vacation hours should be spent 'vacationing' rather than flying, you'll enjoy the trip from Seattle to San Bernardino.
What airlines fly from Seattle to San Bernardino most frequently?
Alaska Airlines (AS) offers 108 flights each month between Seattle - Tacoma Intl. Airport (SEA) to Ontario Airport. Your next big adventure is just a few clicks away. If you can't find the right flight there, check out the airfares with Delta (DL). This airline is a fantastic alternative and operates 91 flights between Seattle and San Bernardino every month.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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.