Panorama of Coronado Bridge with San Diego skyline

$180 Cheap Frontier Airlines flights Washington (IAD) to San Diego (SAN)

View $180 flight on Tue, Aug 11, 2026Opens in a new window

$180 Cheap Frontier Airlines flights Washington (IAD) to San Diego (SAN)

Prices were available within the past 7 days and start at $180 for one-way flights and $380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Aug 11 - Sun, Aug 16
IAD
Washington
SAN
San Diego
$380 Roundtrip, found 13 hours ago
$380
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Washington to San Diego, returning Sun, Aug 16, priced at $380 found 13 hours ago

Find the cheapest month to fly from Washington (IAD) to San Diego (SAN)

July is typically the cheapest month to fly

From $230 - $368 per traveler.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Alaska Airlines
Distance
3598 km
Average flight time
3 hours 14 mins

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