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Cheap flights from Portland to San Diego from $31

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 4/29. 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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0 bags

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Find the cheapest flights from Portland to San Diego

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to San Diego.
7:01 pm - 12:42 amPDX-SAN
5h 41m1 stop
6:15 am - 6:05 pmSAN-PDX
11h 50m1 stop
$76Spirit Airlines
Find Deal
Wed, Apr 16 - Tue, Apr 22
2:32 pm - 12:42 amPDX-SAN
10h 10m1 stop
6:15 am - 1:37 pmSAN-PDX
7h 22m1 stop
$80Spirit Airlines
Find Deal
Mon, Apr 28 - Wed, Apr 30
7:01 pm - 12:42 amPDX-SAN
5h 41m1 stop
6:15 am - 1:37 pmSAN-PDX
7h 22m1 stop
$88Spirit Airlines
Find Deal
Wed, Apr 23 - Wed, Apr 30
2:34 pm - 5:04 pmPDX-SAN
2h 30mnonstop
7:00 am - 9:50 amSAN-PDX
2h 50mnonstop
$177Hawaiian Airlines
Find Deal
Wed, Apr 16 - Wed, May 7
2:34 pm - 5:04 pmPDX-SAN
2h 30mnonstop
4:20 pm - 9:44 pmSAN-PDX
5h 24m1 stop
$180Alaska Airlines
Find Deal
Wed, Apr 16 - Tue, Apr 22
2:34 pm - 5:04 pmPDX-SAN
2h 30mnonstop
6:15 am - 9:06 amSAN-PDX
2h 51mnonstop
$187Alaska Airlines
Find Deal
Wed, Apr 16 - Mon, Apr 21
9:30 pm - 11:59 pmPDX-SAN
2h 29mnonstop
6:15 am - 9:06 amSAN-PDX
2h 51mnonstop
$197Hawaiian Airlines
Find Deal
Thu, Apr 17 - Sun, Apr 20
7:05 pm - 11:43 pmPDX-SAN
4h 38m1 stop
11:02 am - 3:53 pmSAN-PDX
4h 51m1 stop
$207Delta
Find Deal
Fri, Apr 18 - Tue, Apr 22
7:23 am - 12:32 pmPDX-SAN
5h 09m1 stop
5:17 pm - 11:44 pmSAN-PDX
6h 27m1 stop
$217Delta
Find Deal
Fri, Apr 18 - Fri, Apr 25
9:59 am - 11:29 amPDX-SAN
25h 30m1 stop
12:19 pm - 12:37 amSAN-PDX
12h 18m1 stop
$230Frontier
Find Deal
Tue, Apr 8 - Tue, Apr 15

Spirit Airlines flights from Portland to San Diego

Our best Spirit Airlines deals on Portland to San Diego flight tickets
Spirit Airlines
Apr 16
PDX7:01 pmPortland
5h 41m
1 stop
SAN12:42 amSan Diego
Apr 22
SAN6:15 amSan Diego
11h 50m
1 stop
PDX6:05 pmPortland
Spirit Airlines
Apr 28
PDX2:32 pmPortland
10h 10m
1 stop
SAN12:42 amSan Diego
Apr 30
SAN6:15 amSan Diego
7h 22m
1 stop
PDX1:37 pmPortland
Spirit Airlines
Apr 23
PDX7:01 pmPortland
5h 41m
1 stop
SAN12:42 amSan Diego
Apr 30
SAN6:15 amSan Diego
7h 22m
1 stop
PDX1:37 pmPortland

Hawaiian Airlines flights from Portland to San Diego

Our best Hawaiian Airlines deals on Portland to San Diego flight tickets
Hawaiian Airlines
Apr 16
PDX2:34 pmPortland
2h 30m
SAN5:04 pmSan Diego
May 7
SAN7:00 amSan Diego
2h 50m
PDX9:50 amPortland
Hawaiian Airlines
Apr 17
PDX9:30 pmPortland
2h 29m
SAN11:59 pmSan Diego
Apr 20
SAN6:15 amSan Diego
2h 51m
PDX9:06 amPortland
Hawaiian Airlines
Apr 26
PDX2:30 pmPortland
2h 29m
SAN4:59 pmSan Diego
Apr 26
SAN8:44 pmSan Diego
2h 43m
PDX11:27 pmPortland

See travel insights to San Diego from

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 September, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $196.

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 $260. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $296. 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 $229. Flights at noon are often more expensive with an average ticket price of $304.

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 5 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $260 when searching 5 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 $203 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 March 2025, prices for Portland to San Diego flights are approximately 3% cheaper 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

$31

Fastest flight time

2h 25m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in San Diego

1 airport
The best one-way flight to San Diego from Portland in the past 72 hours is $31. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $76.
The fastest flight from Portland to San Diego takes 2h 25m
Direct flights go from Portland to San Diego on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Southwest, Alaska Airlines and Hawaiian Airlines.
There is 1 airport near San Diego: San Diego (SAN)

  • 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 28m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
7,882 reviews
Search Spirit Airlines flights
FrontierPriceFrom $80Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $154Free CancellationRating
8.0
9,798 reviews
Search Alaska Airlines flights
DeltaPriceFrom $166Free CancellationRating
8.0
7,895 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $181Free CancellationRating
7.9
2,336 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $219Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Portland to San Diego

    Alaska Airlines flight deals from Portland to San Diego start from $154 round-trip. Over the 22 Alaska Airlines flights for this route in a normal week, average airfare is usually $293 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Portland to San Diego

    Southwest (8.0/10 from 4,273 reviews) operates around 13 flights from Portland to San Diego in any given week. The average Southwest airfare for this route is around $399, with deals from around $219 rare but found on momondo. Referenced prices are for round-trip Portland to San Diego flight searches in the last 72 hours.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
La Mesa
National City
Imperial Beach
Lemon Grove
San Ysidro
Borrego Springs
Poway
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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