Flights to San Diego from Frederick - ￥18,710

View ￥18,710 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Frederick to San Diego

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Cheap Flights from Frederick to San Diego (IAD-SAN)

Prices were available within the past 7 days and start at ￥18,710 for one-way flights and ￥37,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Aug 12 - Tue, Aug 19
IAD
Washington
SAN
San Diego
￥37,150 Roundtrip, found 4 days ago
￥37,150
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Aug 12 from Washington to San Diego, returning Tue, Aug 19, priced at ￥37,150 found 4 days ago
Delta
Tue, Aug 12 - Tue, Aug 19
IAD
Washington
SAN
San Diego
￥40,050 Roundtrip, found 4 days ago
￥40,050
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Washington to San Diego, returning Tue, Aug 19, priced at ￥40,050 found 4 days ago
American Airlines
Thu, Aug 14 - Wed, Aug 27
IAD
Washington
SAN
San Diego
￥40,220 Roundtrip, found 6 days ago
￥40,220
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Aug 14 from Washington to San Diego, returning Wed, Aug 27, priced at ￥40,220 found 6 days ago
American Airlines
Mon, Aug 11 - Sat, Aug 16
IAD
Washington
SAN
San Diego
￥41,450 Roundtrip, found 4 days ago
￥41,450
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Aug 11 from Washington to San Diego, returning Sat, Aug 16, priced at ￥41,450 found 4 days ago
Hawaiian Airlines
Tue, Jan 6 - Tue, Jan 20
IAD
Washington
SAN
San Diego
￥45,830 Roundtrip, found 5 days ago
￥45,830
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Washington to San Diego, returning Tue, Jan 20, priced at ￥45,830 found 5 days ago
United
Thu, Aug 14 - Wed, Aug 27
IAD
Washington
SAN
San Diego
￥46,220 Roundtrip, found 6 days ago
￥46,220
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 14 from Washington to San Diego, returning Wed, Aug 27, priced at ￥46,220 found 6 days ago

Find the cheapest month to fly from Baltimore (BWI) to San Diego (SAN)

August is typically the cheapest month to fly

From ￥6,910 - ￥37,975 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.