Cheap flights from Portland to San Diego (PWM - SAN)

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The best prices from Portland to San Diego are usually found in July or August, booked 0 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

How to find the cheapest flight from
Portland (PWM) to San Diego (SAN)

All the information you need to plan the best PWM to SAN flight in 2021: compare Portland to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
PWM - SAN
Price
$279 - $488
SAN
Temperature
57.2 - 71.6 °F
SAN
Precipitation
0 - 2.3 inches

Popular in

April

High demand for flights, 26% potential price rise

Cheapest in

July

Best time to find cheap flights, 23% potential price drop

Round-trip from

$279

From Portland to San Diego

One-way from

$163

One-way flight from Portland to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Portland, Maine to San Diego (PWM - SAN)?

It’s optimal to fly from Portland, Maine to San Diego in the evening. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest month to fly from Portland, Maine to San Diego?

Our data shows that August tends to be the cheapest month to fly to San Diego from Portland, Maine. Users have commonly found prices around $304 for the month, but tickets can be as low as $100. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest day to fly round-trip from Portland, Maine to San Diego?

Flights from Portland, Maine to San Diego are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

Cheap flights from Portland to San Diego in October, November 2021

The best prices found for PWM to SAN flights for October, November
2 Nov - 8 Nov
$243pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland
1 Nov - 8 Nov
$245pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland
1 Nov - 9 Nov
$248pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
PWM
Portland

Portland to San Diego 2021 flight deals

Cheap flights to San Diego from Portland found for this year
8 Dec - 14 Dec
$169pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland
8 Dec - 14 Dec
$174pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
PWM
Portland
8 Dec - 14 Dec
$178pp
PWM
Portland
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
PWM
Portland

Last minute flights from Portland to San Diego

Late deals on round-trip flights to San Diego from Portland, departing today and this week
2 Nov - 8 Nov
$243pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland
1 Nov - 8 Nov
$245pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland
1 Nov - 9 Nov
$248pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
PWM
Portland

One-way flights to San Diego from Portland

The cheapest one-way flights from Portland to San Diego
8:09 am - 3:46 pm
American Airlines
1 Stop
10h 37m
PWM - SAN
American Airlines
3:34 pm - 2:14 am
Multiple Airlines
3 Stops
37h 40m
PWM - SAN
Multiple Airlines
$226
Kiwi.com
6:06 am - 2:30 am
Frontier
2 Stops
23h 24m
PWM - SAN
Frontier
$230
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Portland to San Diego

Which airlines flying from Portland to San Diego have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Portland to San Diego that may be offering flexible cancellation policies are American Airlines, United Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Portland, Maine to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to San Diego for under $200. The cheapest flight booked recently is on American Airlines for just $169, but on average you can expect to pay $241.

Are there last-minute flights available from Portland, Maine to San Diego for under $300?

There are currently 20+ open flights from Portland, Maine to San Diego within the next 7 days for less than $300.

What are the cheapest airlines flying from Portland, Maine to San Diego round-trip?

American Airlines, at $169, was found to be the cheapest airline from Portland, Maine to San Diego. An alternate airline flying to your destination would be Frontier. These flights start at 53% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Portland, Maine to San Diego one-way?

One-way options have recently been found by users for as low as $102 on Frontier. Other airlines that offer cheap prices include American Airlines from $138 and United Airlines from $157 one-way.

What are the cheapest flights from Portland, Maine to San Diego?

The cheapest flight price from Portland, Maine to San Diego is $113. On average you can expect to pay $658. The most popular route, (Portland - San Diego), can usually be booked for $250.

What are the most popular airlines that fly from Portland, Maine to San Diego?

Major Airline, American Airlines and JetBlue are the most popular airlines when flying from Portland, Maine to San Diego.

COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Portland?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering San Diego.

Do I need a test to fly back to Portland from San Diego?

Returning to Portland from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portland.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for Portland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Portland to San Diego.
Average temperature for October in San Diego
77.0 °F
Avg rainfall for October in San Diego
0.6 ″

Airports servicing Portland

Airports servicing San Diego

Top 5 airlines flying from Portland to San Diego

The chart below displays the airlines Cheapflights users traveling from Portland to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$106 $225 No cancel fee 62%
American Airlines
$151 $403 No cancel fee 71%
United Airlines
$154 $376 No cancel fee 69%
Delta
$167 $434 No cancel fee N/A
JetBlue
$191 $425 No cancel fee 62%
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