Cheap flights from Imperial

View AU$70 flight on Sat, 9 May 2026Opens in a new window

Popular airlines from Imperial

  • American Airlines

  • Alaska Airlines

  • United

  • Delta

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Imperial

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.

Alaska Airlines
Tue, 5 May - Tue, 19 May
SAN
San Diego
SFO
San Francisco
AU$139 Return, found 23 hours ago
AU$139
Return
found 23 hours ago
Select Alaska Airlines flight, departing Tue, 5 May from San Diego to San Francisco, returning Tue, 19 May, priced at AU$139 found 23 hours ago
Alaska Airlines
Sat, 2 May - Fri, 8 May
SAN
San Diego
DEN
Denver
AU$166 Return, found 14 hours ago
AU$166
Return
found 14 hours ago
Select Alaska Airlines flight, departing Sat, 2 May from San Diego to Denver, returning Fri, 8 May, priced at AU$166 found 14 hours ago
Delta
Wed, 22 Apr - Tue, 12 May
SAN
San Diego
LAS
Las Vegas
AU$167 Return, found 1 day ago
AU$167
Return
found 1 day ago
Select Delta flight, departing Wed, 22 Apr from San Diego to Las Vegas, returning Tue, 12 May, priced at AU$167 found 1 day ago
Delta
Tue, 21 Apr - Tue, 28 Apr
SAN
San Diego
SEA
Seattle
AU$169 Return, found 3 hours ago
AU$169
Return
found 3 hours ago
Select Delta flight, departing Tue, 21 Apr from San Diego to Seattle, returning Tue, 28 Apr, priced at AU$169 found 3 hours ago
Delta
Sat, 25 Apr - Sat, 2 May
SAN
San Diego
SEA
Seattle
AU$170 Return, found 17 hours ago
AU$170
Return
found 17 hours ago
Select Delta flight, departing Sat, 25 Apr from San Diego to Seattle, returning Sat, 2 May, priced at AU$170 found 17 hours ago
Delta
Wed, 1 Apr - Tue, 21 Apr
SAN
San Diego
LAS
Las Vegas
AU$181 Return, found 1 day ago
AU$181
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Apr from San Diego to Las Vegas, returning Tue, 21 Apr, priced at AU$181 found 1 day ago
Delta
Thu, 16 Apr - Wed, 22 Apr
SAN
San Diego
SFO
San Francisco
AU$182 Return, found 3 days ago
AU$182
Return
found 3 days ago
Select Delta flight, departing Thu, 16 Apr from San Diego to San Francisco, returning Wed, 22 Apr, priced at AU$182 found 3 days ago
Hawaiian Airlines
Wed, 1 Apr - Mon, 20 Apr
SAN
San Diego
SFO
San Francisco
AU$196 Return, found 23 hours ago
AU$196
Return
found 23 hours ago
Select Hawaiian Airlines flight, departing Wed, 1 Apr from San Diego to San Francisco, returning Mon, 20 Apr, priced at AU$196 found 23 hours ago
United
Wed, 27 May - Wed, 10 June
SAN
San Diego
SFO
San Francisco
AU$224 Return, found 23 hours ago
AU$224
Return
found 23 hours ago
Select United flight, departing Wed, 27 May from San Diego to San Francisco, returning Wed, 10 June, priced at AU$224 found 23 hours ago
American Airlines
Tue, 21 Apr - Tue, 28 Apr
CLD
Carlsbad
SEA
Seattle
AU$225 Return, found 3 hours ago
AU$225
Return
found 3 hours ago
Select American Airlines flight, departing Tue, 21 Apr from Carlsbad to Seattle, returning Tue, 28 Apr, priced at AU$225 found 3 hours ago

The Annual Holiday Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Travel information

Flights from Imperial: Essential Travel Information

Cheapest flight from Imperial
AU$139 (roundtrip)
Best airlines to fly from Imperial
Alaska Airlines, Delta, United, American Airlines, Hawaiian Airlines
Cheapest month to fly from Imperial
May
Imperial IATA code
SAN
Imperial Country/State
California
Airline ticket deals from Imperial
AU$139 - AU$225

Explore a world of travel with Expedia

*Available to Expedia members.