Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

Which layover airport has the shortest connection time from Portland to San Diego?

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 38m.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 54 per week as of October 2025. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Diego?

Alaska Airlines, Frontier and Southwest are the top three most popular airlines that fly to San Diego from Portland according to our data. Alaska Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Portland to San Diego

How many flights depart from Portland to San Diego on average per day?

7 flights are operational daily from Portland to San Diego as of October 2025. The most popular departure time for this route is 2:00PM, with 45% of flights per day taking off in the afternoon.

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Air Thanlwin have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How often are flights from Portland to San Diego delayed?

Historically, on average around 11% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 4h 19m.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

When did momondo last update prices for flights from Portland Airport to San Diego Airport?

Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to San Diego Airport?

As of October 2025, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.

How old do you have to be to fly from Portland Airport to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$78 Cheap Flights from Portland to San Diego in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 12:59 pmPDX-SAN

2h 29mnonstop

9:15 pm - 12:05 amSAN-PDX

2h 50mnonstop

$177Alaska Airlines

Find Deal

Tue, Dec 9 - Mon, Dec 22

3:26 pm - 6:45 pmPDX-SAN

27h 19m1 stop

6:41 am - 11:56 amSAN-PDX

29h 15m1 stop

$178Frontier

Find Deal

Fri, Nov 7 - Sun, Nov 9

1:26 pm - 9:39 pmPDX-SAN

8h 13m1 stop

9:10 pm - 11:59 pmSAN-PDX

2h 49mnonstop

$179Multiple Airlines

Find Deal

Tue, Nov 11 - Sun, Nov 23

7:04 am - 9:21 pmPDX-SAN

14h 17m1 stop

10:55 am - 1:50 pmSAN-PDX

2h 55mnonstop

$180Alaska Airlines

Find Deal

Mon, Dec 15 - Wed, Dec 17

3:40 pm - 8:00 pmPDX-SAN

4h 20m1 stop

5:30 pm - 11:00 pmSAN-PDX

5h 30m1 stop

$182Southwest

Find Deal

Mon, Feb 9 - Sun, Feb 15

1:26 pm - 9:39 pmPDX-SAN

8h 13m1 stop

8:30 am - 6:31 pmSAN-PDX

10h 01m1 stop

$183Frontier

Find Deal

Tue, Nov 11 - Fri, Nov 14

12:47 pm - 7:15 pmPDX-SAN

6h 28m1 stop

7:21 pm - 11:43 amSAN-PDX

16h 22m2 stops

$184Frontier

Find Deal

Thu, Dec 25 - Sat, Jan 3

7:10 am - 2:05 pmPDX-SAN

6h 55m1 stop

11:05 am - 7:08 pmSAN-PDX

8h 03m1 stop

$187Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

5:17 pm - 10:55 pmPDX-SAN

5h 38m1 stop

1:41 pm - 6:50 pmSAN-PDX

5h 09m1 stop

$208Delta

Find Deal

Mon, Nov 24 - Wed, Dec 3

9:49 am - 5:44 pmPDX-SAN

7h 55m2 stops

4:10 pm - 10:56 pmSAN-PDX

6h 46m1 stop

$232United Airlines

Find Deal

Sat, Nov 15 - Thu, Nov 20

Frontier flights from Portland to San Diego

Our best Frontier deals on Portland to San Diego flight tickets

Frontier

Nov 7

PDX3:26 pmPortland

27h 19m

1 stop

SAN6:45 pmSan Diego

Nov 9

SAN6:41 amSan Diego

29h 15m

1 stop

PDX11:56 amPortland

$178

Find similar

Frontier

Nov 11

PDX1:26 pmPortland

8h 13m

1 stop

SAN9:39 pmSan Diego

Nov 14

SAN8:30 amSan Diego

10h 01m

1 stop

PDX6:31 pmPortland

$183

Find similar

Frontier

Dec 25

PDX12:47 pmPortland

6h 28m

1 stop

SAN7:15 pmSan Diego

Jan 3

SAN7:21 pmSan Diego

16h 22m

2 stops

PDX11:43 amPortland

$184

Find similar

Alaska Airlines flights from Portland to San Diego

Our best Alaska Airlines deals on Portland to San Diego flight tickets

Alaska Airlines

Dec 9

PDX10:30 amPortland

2h 29m

SAN12:59 pmSan Diego

Dec 22

SAN9:15 pmSan Diego

2h 50m

PDX12:05 amPortland

$177

Find similar

Alaska Airlines

Dec 15

PDX7:04 amPortland

14h 17m

1 stop

SAN9:21 pmSan Diego

Dec 17

SAN10:55 amSan Diego

2h 55m

PDX1:50 pmPortland

$180

Find similar

Alaska Airlines

Nov 16

PDX7:02 amPortland

5h 10m

1 stop

SAN12:12 pmSan Diego

Nov 19

SAN7:57 amSan Diego

5h 49m

1 stop

PDX1:46 pmPortland

$190

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 12/9

10:30 am-12:59 pm

Nonstop2h 29m

San Diego

Mon 12/22

9:15 pm-12:05 am

Nonstop2h 50m

$177

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Fri 11/7

3:26 pm-6:45 pm

1 stop27h 19m

San Diego

Sun 11/9

6:41 am-11:56 am

1 stop29h 15m

$178

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 11/11

1:26 pm-9:39 pm

1 stop8h 13m

San Diego

Sun 11/23

9:10 pm-11:59 pm

Nonstop2h 49m

$179

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 12/15

7:04 am-9:21 pm

1 stop14h 17m

San Diego

Wed 12/17

10:55 am-1:50 pm

Nonstop2h 55m

$180

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 2/9

3:40 pm-8:00 pm

1 stop4h 20m

San Diego

Sun 2/15

5:30 pm-11:00 pm

1 stop5h 30m

$182

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 11/11

1:26 pm-9:39 pm

1 stop8h 13m

San Diego

Fri 11/14

8:30 am-6:31 pm

1 stop10h 01m

$183

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Thu 12/25

12:47 pm-7:15 pm

1 stop6h 28m

San Diego

Sat 1/3

7:21 pm-11:43 am

2 stops16h 22m

$184

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 1/14

7:10 am-2:05 pm

1 stop6h 55m

San Diego

Sun 1/18

11:05 am-7:08 pm

1 stop8h 03m

$187

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 11/24

5:17 pm-10:55 pm

1 stop5h 38m

San Diego

Wed 12/3

1:41 pm-6:50 pm

1 stop5h 09m

$208

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 11/15

9:49 am-5:44 pm

2 stops7h 55m

San Diego

Thu 11/20

4:10 pm-10:56 pm

1 stop6h 46m

$232

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How to get the cheapest flight ticket from Portland to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $221.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Portland to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $275. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $325. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $269. Flights in the morning are often more expensive with an average ticket price of $330.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Portland for as low as $240 on momondo.

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to San Diego flight prices changed over time?

As of October 2025, prices for Portland to San Diego flights are approximately 95% more expensive when compared to flights at the same time last year.

When to book flights from Portland to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Diego

Best Price Found	$134
Fastest flight time	2h 20m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Portland in the past 72 hours is $134. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $244.

The fastest flight from Portland to San Diego takes 2h 20m

Direct flights go from Portland to San Diego every day.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

How far is Portland to San Diego by plane?
Portland and San Diego are 931.8 mi apart from one another. A reasonable flight in good conditions will take 2h 29m.
When did momondo last update prices for flights from Portland Airport to San Diego Airport?
Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to San Diego Airport?
As of October 2025, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.
How old do you have to be to fly from Portland Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Portland to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to San Diego is Boeing 737-900 Passenger/BBJ3 (winglets) (27.94% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (23.42%), Boeing 737 MAX 9 (20.37%), and Boeing 737 (20.32%).
What is the most popular airline from Portland to San Diego?
Based on momondo bookings for flights between Portland and San Diego, the leading airline is Alaska Airlines, making up 77% of the total bookings. Other popular airlines include Spirit Airlines with 7%, Hawaiian Airlines with 7%, and Southwest with 3%.

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $87	Free Cancellation	Rating 5.8 3,123 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $87	Free Cancellation	Rating 6.3 8,110 reviews	Search Spirit Airlines flights
Delta	PriceFrom $156	Free Cancellation	Rating 7.9 7,996 reviews	Search Delta flights
Alaska Airlines	PriceFrom $156	Free Cancellation	Rating 8.0 11,195 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $167	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $177	Free Cancellation	Rating 7.8 2,793 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights

Alaska Airlines Flights From Portland to San Diego
Alaska Airlines flight deals from Portland to San Diego start from $156 round-trip. Over the 19 Alaska Airlines flights for this route in a normal week, average airfare is usually $294 round-trip - but some users have found much cheaper deals with momondo.
Southwest Flights From Portland to San Diego
Southwest (8.0/10 from 4,238 reviews) operates around 4 flights from Portland to San Diego in any given week. The average Southwest airfare for this route is around $367, with deals from around $167 rare but found on momondo. Referenced prices are for round-trip Portland to San Diego flight searches in the last 72 hours.

Coronado

Chula Vista

El Cajon

Julian

National City

La Mesa

Imperial Beach

Poway

San Ysidro

Borrego Springs

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Diego?

It is quick and easy to find Portland to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Portland to San Diego with flexible booking policies on momondo?

Flights from Portland to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to San Diego.

I’m not ready to book a flight from Portland to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Portland to San Diego from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Diego departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Frontier deals on Portland to San Diego flight tickets

Alaska Airlines flights from Portland to San Diego

Our best Alaska Airlines deals on Portland to San Diego flight tickets

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How to get the cheapest flight ticket from Portland to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of February, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $221.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $269. Flights in the morning are often more expensive with an average ticket price of $330.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - San Diego flight prices

How far in advance should I book a flight to San Diego?

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to San Diego flight prices changed over time?

As of October 2025, prices for Portland to San Diego flights are approximately 95% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Portland to San Diego

What airlines fly to San Diego?

How often are flights from Portland to San Diego delayed?

Historically, on average around 11% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Air Thanlwin have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 4h 19m.

Which layover airport has the shortest connection time from Portland to San Diego?

Salt Lake City (SLC) has the shortest average layover time for this route: 0h 38m.

How many flights depart from Portland to San Diego on average per day?

7 flights are operational daily from Portland to San Diego as of October 2025. The most popular departure time for this route is 2:00PM, with 45% of flights per day taking off in the afternoon.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 54 per week as of October 2025. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.

When to book flights from Portland to San Diego

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Diego

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Portland to San Diego by plane?

When did momondo last update prices for flights from Portland Airport to San Diego Airport?

How many operators does momondo search for flights from Portland Airport to San Diego Airport?

How old do you have to be to fly from Portland Airport to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from Portland to San Diego?

What is the most popular airline from Portland to San Diego?

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Alaska Airlines Flights From Portland to San Diego

Southwest Flights From Portland to San Diego

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Diego?