Flights to San Jose from Frederick

View ฿4,850 flight on Tue, 12 Aug 2025Opens in a new window

Popular airlines from Frederick to San Jose

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Frederick (IAD) to San Jose (SJC)

Prices were available within the past 7 days and start at ฿4,850 for one-way flights and ฿9,795 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
฿9,795 Return, found 1 day ago
฿9,795
Return
found 1 day ago
Select Delta flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at ฿9,795 found 1 day ago
Delta
Wed, 22 Oct - Mon, 10 Nov
IAD
Washington
SFO
San Francisco
฿10,010 Return, found 6 days ago
฿10,010
Return
found 6 days ago
Select Delta flight, departing Wed, 22 Oct from Washington to San Francisco, returning Mon, 10 Nov, priced at ฿10,010 found 6 days ago
Delta
Tue, 5 Aug - Tue, 12 Aug
IAD
Washington
SFO
San Francisco
฿10,990 Return, found 4 days ago
฿10,990
Return
found 4 days ago
Select Delta flight, departing Tue, 5 Aug from Washington to San Francisco, returning Tue, 12 Aug, priced at ฿10,990 found 4 days ago
Delta
Mon, 3 Nov - Mon, 17 Nov
IAD
Washington
SFO
San Francisco
฿11,085 Return, found 6 days ago
฿11,085
Return
found 6 days ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Francisco, returning Mon, 17 Nov, priced at ฿11,085 found 6 days ago
American Airlines
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
฿11,115 Return, found 1 day ago
฿11,115
Return
found 1 day ago
Select American Airlines flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at ฿11,115 found 1 day ago
United
Sat, 16 Aug - Sat, 23 Aug
IAD
Washington
SFO
San Francisco
฿12,440 Return, found 1 day ago
฿12,440
Return
found 1 day ago
Select United flight, departing Sat, 16 Aug from Washington to San Francisco, returning Sat, 23 Aug, priced at ฿12,440 found 1 day ago

Find the cheapest month to fly from Baltimore (BWI) to San Jose (SJC)

September is typically the cheapest month to fly

From ฿3,215 - ฿12,068 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.