Cheap Flights to San Bernardino County from $64

View $64 flight on Sat, Mar 21, 2026Opens in a new window

Popular airlines to San Bernardino County

  • Alaska Airlines

  • American Airlines

  • Delta

  • Southwest Airlines

  • United

  • Frontier Airlines

  • British Airways

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How much is the cheapest flight to San Bernardino County?

Prices were available within the past 7 days and start at $64 for one-way flights and $104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, May 11 - Thu, May 21
SEA
Seattle
ONT
Ontario
$104 Roundtrip, found 3 hours ago
$104
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Mon, May 11 from Seattle to Ontario, returning Thu, May 21, priced at $104 found 3 hours ago
Alaska Airlines
Wed, May 13 - Thu, May 21
SEA
Seattle
ONT
Ontario
$107 Roundtrip, found 7 hours ago
$107
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, May 13 from Seattle to Ontario, returning Thu, May 21, priced at $107 found 7 hours ago
Delta
Tue, May 19 - Thu, May 21
SEA
Seattle
ONT
Ontario
$107 Roundtrip, found 1 hour ago
$107
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 19 from Seattle to Ontario, returning Thu, May 21, priced at $107 found 1 hour ago
Frontier Airlines
Tue, May 19 - Thu, May 21
SEA
Seattle
ONT
Ontario
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, May 19 from Seattle to Ontario, returning Thu, May 21, priced at $108 found 1 hour ago
Southwest Airlines
Mon, May 11 - Thu, May 21
SEA
Seattle
ONT
Ontario
$109 Roundtrip, found 3 hours ago
$109
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Mon, May 11 from Seattle to Ontario, returning Thu, May 21, priced at $109 found 3 hours ago
Delta
Tue, May 12 - Thu, May 21
SEA
Seattle
ONT
Ontario
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, May 12 from Seattle to Ontario, returning Thu, May 21, priced at $117 found 5 hours ago
Alaska Airlines
Fri, May 1 - Tue, May 5
SEA
Seattle
SNA
Orange County
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 1 from Seattle to Orange County, returning Tue, May 5, priced at $117 just found
Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
SEA
Seattle
PSP
Palm Springs
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Palm Springs, returning Tue, Apr 28, priced at $117 just found
Delta
Fri, May 1 - Tue, May 5
SEA
Seattle
SNA
Orange County
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Delta flight, departing Fri, May 1 from Seattle to Orange County, returning Tue, May 5, priced at $117 just found
United
Tue, May 12 - Thu, May 21
SEA
Seattle
ONT
Ontario
$138 Roundtrip, found 5 hours ago
$138
Roundtrip
found 5 hours ago
Select United flight, departing Tue, May 12 from Seattle to Ontario, returning Thu, May 21, priced at $138 found 5 hours ago

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Airports in San Bernardino County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Flights from $470
SNA
John Wayne
Flights from $470
Select flight to Los Angeles - Ontario Intl. ONT. Flights from $470
ONT
Los Angeles - Ontario Intl.
Flights from $470
Select flight to Long Beach Municipal LGB. Flights from $484
LGB
Long Beach Municipal
Flights from $484
Select flight to Palm Springs Intl. PSP. Cheapest option available. Flights from $438
PSP
Palm Springs Intl.
Cheapest
Flights from $438

Trending flights to San Bernardino County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, May 11 - Thu, May 21
SEA
Seattle
ONT
Ontario
$104 Roundtrip, found 3 hours ago
$104
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Mon, May 11 from Seattle to Ontario, returning Thu, May 21, priced at $104 found 3 hours ago

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*Flight schedules are subject to change.

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