$35 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, Dec 12 - Wed, Dec 17
SEA
Seattle - Tacoma Intl.
PSP
Palm Springs Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Fri, Dec 12 from Seattle - Tacoma Intl. to Palm Springs Intl., returning Wed, Dec 17, priced at $242 found 1 day ago
Fri, Dec 12 - Sun, Dec 14
SEA
Seattle - Tacoma Intl.
ONT
Los Angeles - Ontario Intl.
$276 Roundtrip, found 1 hour ago
$276
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 12 from Seattle - Tacoma Intl. to Los Angeles - Ontario Intl., returning Sun, Dec 14, priced at $276 found 1 hour ago
Sun, Dec 14 - Mon, Dec 15
PAE
Seattle Paine Field Intl. Airport
PSP
Palm Springs Intl.
$468 Roundtrip, found 6 days ago
$468
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Dec 14 from Seattle Paine Field Intl. Airport to Palm Springs Intl., returning Mon, Dec 15, priced at $468 found 6 days ago
Sun, Dec 14 - Mon, Dec 15
PAE
Seattle Paine Field Intl. Airport
ONT
Los Angeles - Ontario Intl.
$1,091 Roundtrip, found 21 hours ago
$1,091
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sun, Dec 14 from Seattle Paine Field Intl. Airport to Los Angeles - Ontario Intl., returning Mon, Dec 15, priced at $1,091 found 21 hours ago

Airfares from $35 One Way, $69 Round Trip from Seattle to San Bernardino

Prices starting at $69 for return flights and $35 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.

Thu, Jan 8 - Sun, Jan 11
SEA
Seattle
ONT
Ontario
$69 Roundtrip, just found
$69
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from Seattle to Ontario, returning Sun, Jan 11, priced at $69 just found
Fri, Jan 2 - Thu, Jan 8
SEA
Seattle
ONT
Ontario
$85 Roundtrip, found 4 hours ago
$85
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Jan 2 from Seattle to Ontario, returning Thu, Jan 8, priced at $85 found 4 hours ago
Sat, Feb 7 - Fri, Feb 13
SEA
Seattle
PSP
Palm Springs
$99 Roundtrip, found 2 days ago
$99
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Feb 7 from Seattle to Palm Springs, returning Fri, Feb 13, priced at $99 found 2 days ago
Tue, Feb 10 - Sat, Feb 14
SEA
Seattle
ONT
Ontario
$99 Roundtrip, found 2 days ago
$99
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Feb 10 from Seattle to Ontario, returning Sat, Feb 14, priced at $99 found 2 days ago
Wed, Feb 11 - Wed, Feb 18
SEA
Seattle
PSP
Palm Springs
$101 Roundtrip, found 4 days ago
$101
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Feb 11 from Seattle to Palm Springs, returning Wed, Feb 18, priced at $101 found 4 days ago

San Bernardino economy flight packages

Price found within the past 48 hours. Click for updated prices.
Sands Motel
2.5-star property

Sands Motel

6/10 (94 reviews)

Jan 28 - Feb 2

5 night stay

Seattle (SEA) to Ontario (ONT)

Alaska Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $586, price is now $437 per person
$437
per person
found 24 hours ago
@Marbella Lane - Serene Haven Retreat
3.0-star property

@Marbella Lane - Serene Haven Retreat

No reviews

Jan 28 - Feb 2

5 night stay

Seattle (SEA) to Ontario (ONT)

Alaska Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $771, price is now $555 per person
$555
per person
found 24 hours ago
Embassy Suites Ontario Airport
3.5-star property

Embassy Suites Ontario Airport

8/10 Very Good! (1,002 reviews)

Jan 28 - Feb 2

5 night stay

Seattle (SEA) to Ontario (ONT)

Alaska Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $664, price is now $489 per person
$489
per person
found 24 hours ago
Room was nice, staff was very gracious. Only issue we had was the card keys kept needed to be reprogramme

Reviewed on Dec 2, 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
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Seattle to San Bernardino

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Guaranteed low prices for Seattle to San Bernardino flights makes Orbitz the perfect online budget travel source.

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.

More Destinations

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.