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 Sunday or Saturday 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 2022: 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
Rainfall
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

$141

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.
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 Sunday. 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.

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.

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 46% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Portland to San Diego in May, June 2022

The best prices found for PWM to SAN flights for May, June
16 Jun - 30 Jun
$574pp
PWM
Portland
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
PWM
Portland
16 Jun - 27 Jun
$578pp
PWM
Portland
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
   
2 STOPS
PWM
Portland
16 Jun - 29 Jun
$585pp
PWM
Portland
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
Frontier
   
2 STOPS
PWM
Portland

Portland to San Diego 2022 flight deals

Cheap flights to San Diego from Portland found for this year
7 Sep - 19 Sep
$282pp
PWM
Portland
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
JetBlue
 
1 STOP
PWM
Portland
10 Sep - 19 Sep
$286pp
PWM
Portland
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
JetBlue
 
1 STOP
PWM
Portland
3 Sep - 19 Sep
$287pp
PWM
Portland
JetBlue
 
1 STOP
SAN
San Diego
SAN
San Diego
JetBlue
 
1 STOP
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
4 Jun - 27 Jun
$753pp
PWM
Portland
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
PWM
Portland
4 Jun - 20 Jun
$763pp
PWM
Portland
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
PWM
Portland
4 Jun - 22 Jun
$827pp
PWM
Portland
American Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
PWM
Portland

One-way flights to San Diego from Portland

The cheapest one-way flights from Portland to San Diego
2:00 am - 7:06 am
Delta
1 Stop
8h 06m
PWM - SAN
Delta
$141
Delta
10:10 am - 7:21 am
Frontier
2 Stops
24h 11m
PWM - SAN
Frontier
$292
Kiwi.com
9:00 am - 1:00 pm
Sun Country Air
1 Stop
31h 00m
PWM - SAN
Sun Country Air
$318
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 United Airlines, American 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 $300 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to San Diego for under $300. The cheapest flight booked recently is on Multiple Airlines for just $282, but on average you can expect to pay $320.

Are there last-minute flights available from Portland, Maine to San Diego for under $800?

There are currently 9+ open flights from Portland, Maine to San Diego within the next 7 days for less than $800.

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

JetBlue, at $287, was found to be the cheapest airline from Portland, Maine to San Diego.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 20% 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 $141 on Delta. Other airlines that offer cheap prices include American Airlines from $170 and United Airlines from $227 one-way.

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

The cheapest flight price from Portland, Maine to San Diego is $18. On average you can expect to pay $782. The most popular route, (Portland - San Diego), can usually be booked for $282.

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

American Airlines, Alaska 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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

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
American Airlines
$185 $412 No cancel fee 71%
Delta
$235 $451 No cancel fee N/A
JetBlue
$240 $746 No cancel fee 62%
United Airlines
$245 $551 No cancel fee 69%
Alaska Airlines
$414 $624 No cancel fee 75%
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