Cheap Flights from Portland, ME to San Diego, CA from $183

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On Cheapflightsplus.com you will find 305 connecting flights from Portland to San Diego. You can compare airfare deals from 4 airlines and multiple travel sites from $183, book and save on cheap plane tickets and last minute offers. Also check out PWM-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Portland to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $183 (one-way), $314 (round-trip).

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Best Flights from Portland to San Diego Today

Take a look at the list of non stop flights and flights with layovers from Portland to San Diego with the lowest price of $183. Take a look at the list of flights with layovers from Portland to San Diego from $183. There’re no direct flights. The fastest connecting flight – 7h 47m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $207 Find flight	12:32 Portland Portland Intl Jetport	17:19 San Diego San Diego	7h 47m layover 0h 56m - Minneapolis	Sun Country Airlines	SY1822 SY407
from $231 Find flight	15:35 Portland Portland Intl Jetport	20:25 San Diego San Diego	7h 50m layover 1h 0m - Denver	United Airlines	UA1092 UA540
from $183 Find flight	12:58 Portland Portland Intl Jetport	23:29 San Diego San Diego	13h 31m layover 1h 0m - Minneapolis 4h 48m - Las Vegas	Sun Country Airlines	SY1822 SY107 NK2390
from $236 Find flight	06:00 Portland Portland Intl Jetport	15:03 San Diego San Diego	12h 3m layover 0h 59m - Chicago 0h 45m - Washington D.C.	United Airlines	UA1857 UA2029 UA2029

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 19, 2025

Flight Schedule Portland (Maine) to San Diego (California)

Full flight schedule will help you in detecting at what time planes fly from Portland to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:40 — 11:16	05:40 — 07:30 UA3622 United Airlines Portland — Washington D.C. 1h 26m stop 08:56 — 11:16 UA1930 United Airlines Washington D.C. — San Diego	8h 36m including layover	Find flight from$235
05:45 — 11:22	05:45 — 07:33 UA3415 United Airlines Portland — Washington D.C. 1h 27m stop 09:00 — 11:22 UA1930 United Airlines Washington D.C. — San Diego	8h 37m including layover	Find flight from$231
06:00 — 11:40	06:00 — 07:51 UA1857 United Airlines Portland — Chicago 1h 22m stop 09:13 — 11:40 UA660 United Airlines Chicago — San Diego	8h 40m including layover	Find flight from$231
06:10 — 11:33	06:00 — 07:53 UA1834 United Airlines Portland — Chicago 1h stop 08:55 — 11:23 UA660 United Airlines Chicago — San Diego	8h 23m including layover	Find flight from$235
06:14 — 11:40	06:14 — 08:05 UA1030 United Airlines Portland — Chicago 1h 8m stop 09:13 — 11:40 UA660 United Airlines Chicago — San Diego	8h 26m including layover	Find flight from$234
12:11 — 19:09	12:10 — 13:59 UA3719 United Airlines Portland — Newark 2h 25m stop 16:25 — 19:09 UA1626 United Airlines Newark — San Diego	9h 58m including layover	Find flight from$234
12:32 — 17:19	12:58 — 15:06 SY1822 Sun Country Airlines Portland — Minneapolis 56m stop 14:48 — 16:31 SY407 Sun Country Airlines Minneapolis — San Diego	7h 47m including layover	Find flight from$207
12:32 — 11:01 +1 day	12:32 — 14:40 SY1822 Sun Country Airlines Portland — Minneapolis 18h 38m stop 09:18 — 11:01 SY1639 Sun Country Airlines Minneapolis — San Diego	25h 29m including layover	Find flight from$230
14:22 — 20:19	14:14 — 16:12 UA3624 United Airlines Portland — Washington D.C. 1h 35m stop 17:50 — 20:19 UA2054 United Airlines Washington D.C. — San Diego	8h 57m including layover	Find flight from$231
15:13 — 21:23	15:13 — 17:02 UA3620 United Airlines Portland — Newark 1h 28m stop 18:30 — 21:23 UA2624 United Airlines Newark — San Diego	9h 10m including layover	Find flight from$231
15:35 — 20:25	15:35 — 18:00 UA1092 United Airlines Portland — Denver 1h stop 19:00 — 20:25 UA540 United Airlines Denver — San Diego	7h 50m including layover	Find flight from$231
15:35 — 22:14	15:35 — 18:00 UA1092 United Airlines Portland — Denver 2h 50m stop 20:50 — 22:14 UA1835 United Airlines Denver — San Diego	9h 39m including layover	Find flight from$231
15:35 — 20:25	15:35 — 18:00 UA2852 United Airlines Portland — Denver 1h stop 19:00 — 20:25 UA540 United Airlines Denver — San Diego	7h 50m including layover	Find flight from$234
15:35 — 22:14	15:35 — 18:00 UA2852 United Airlines Portland — Denver 2h 50m stop 20:50 — 22:14 UA1835 United Airlines Denver — San Diego	9h 39m including layover	Find flight from$234
16:56 — 22:02	16:56 — 18:47 UA2466 United Airlines Portland — Chicago 48m stop 19:35 — 22:02 UA734 United Airlines Chicago — San Diego	8h 6m including layover	Find flight from$234

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 19, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Portland to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Portland and San Diego is 4212 miles. Time difference between the cities is 3h. Airplanes depart 05:08 to 20:52 from 1 Portland airport and arrive 05:08 to 20:52 to 11 San Diego airports. Average flight time is 16h 48m.

The fastest flight 7h 47m
Average flight time 16h 48m
The earliest flight 05:08
The latest flight 20:52
Distance 2618 ml

The cheapest months to travel to San Diego are june (from 183 $), july (from 189 $), may (from 219 $).

The most expensive months are september (from 246 $), october (from 231 $), august (from 230 $).

What is the lowest airfare Portland to San Diego?

The cheapest plane ticket found by our users is $183. This airfare is for economy class on one-way SY1822 flight by Sun Country Airlines for July 5, 2025 which leaves Portland Intl Jetport in Portland at 12:58 am and arrives at San Diego San Diego at 23:29.

Economy class

$183

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Business class

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First class

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Popular Airlines on the Route

The flight Portland — San Diego is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 4 departures per week at the price of from $ 273 . And the most expensive tickets are offered by United Airlines airline - from $ 905.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 305 flights with layovers on the route. The fastest connecting flight is SY1822 by Sun Country Airlines takes 7h 47m and the cheapest is SY1822 by Sun Country Airlines for $183.

AS - Alaska Airlines

from $273

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SY - Sun Country Airlines

from $183

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MX - Mexicana

from $296

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UA - United Airlines

from $231

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Airports

You can fly from Portland to San Diego from 1 airports (Portland Intl Jetport).

Portland airports

Portland Intl Jetport-PWM

from $183
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San Diego airports

San Diego-SAN

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San Diego Regional-USA

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Gillespie Field-SEE

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Golden Triangle Reg.-GTR

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El Cajon-CJN

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Lowndes County-UBS

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Miramar NAS-NKX

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Montgomery Field-MYF

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North Island NAS-NZY

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Brown Field Municipal-SDM

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AFB-CBM

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Airplanes

There are flights to San Diego from Portland by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Portland

You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.

Portland — Las Vegas

from $74

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Portland — Seattle

from $80

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Portland — Chicago

from $60

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Portland — Denver

from $55

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Portland — San Diego

from $68

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Portland — Los Angeles

from $56

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Portland — Sacramento

from $58

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Portland — Austin

from $59

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Portland — Spokane

from $63

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Portland — Atlanta

from $64

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Top International Destinations from Portland

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Portland — Vancouver

from $73

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Portland — Calgary

from $75

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Portland — Amsterdam

from $59

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Portland — Guadalajara

from $68

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.