Cheap flights from Oceanside

View AU$214 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from Oceanside

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • Lufthansa

    Lufthansa

  • KLM

    KLM

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Cheapest flights from Oceanside

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

American Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$437 Return, found 4 days ago
AU$437
Return
found 4 days ago
Select American Airlines flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$437 found 4 days ago
United
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$542 Return, found 4 days ago
AU$542
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$542 found 4 days ago
United
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$550 Return, found 4 days ago
AU$550
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$550 found 4 days ago
American Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$552 Return, found 4 days ago
AU$552
Return
found 4 days ago
Select American Airlines flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$552 found 4 days ago
United
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$558 Return, found 4 days ago
AU$558
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$558 found 4 days ago
American Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$567 Return, found 4 days ago
AU$567
Return
found 4 days ago
Select American Airlines flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$567 found 4 days ago
American Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$589 Return, found 4 days ago
AU$589
Return
found 4 days ago
Select American Airlines flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$589 found 4 days ago
United
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$609 Return, found 4 days ago
AU$609
Return
found 4 days ago
Select United flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$609 found 4 days ago
Alaska Airlines
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$654 Return, found 4 days ago
AU$654
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$654 found 4 days ago
Delta
Mon, 8 Sep. - Mon, 15 Sep.
SAN
San Diego
PHL
Philadelphia
AU$698 Return, found 4 days ago
AU$698
Return
found 4 days ago
Select Delta flight, departing Mon, 8 Sep. from San Diego to Philadelphia, returning Mon, 15 Sep., priced at AU$698 found 4 days ago

Flights from Oceanside: Essential Travel Information

Cheapest flight from Oceanside
AU$437 (roundtrip)
Best airlines to fly from Oceanside
American Airlines, United, Alaska Airlines, Delta
Cheapest month to fly from Oceanside
September
Oceanside IATA code
SAN
Oceanside Country/State
California
Airline ticket deals from Oceanside
AU$437 - AU$698
*Available to Expedia members.