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Cheap flights from Portland, Maine to San Diego from $167

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, Maine to San Diego departing on 2/4. 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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Find the cheapest flights from Portland, Maine to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland, Maine to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland, Maine to San Diego.

Cheap last minute flights

Planning a quick getaway from Portland, Maine to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland, Maine to San Diego

Find recent round-trip train or bus tickets from Portland, Maine to San Diego.

All round-trip flight deals to San Diego

The cheapest plane tickets to San Diego found on KAYAK recently.
11:36 am - 8:22 pmPWM-SAN
11h 46m1 stop
11:25 am - 10:30 pmSAN-PWM
8h 05m1 stop
$333United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
5:44 am - 11:50 amPWM-SAN
9h 06m1 stop
9:29 am - 11:57 pmSAN-PWM
11h 28m2 stops
$338American Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 12
7:10 am - 1:51 pmPWM-SAN
9h 41m1 stop
10:45 pm - 12:10 pmSAN-PWM
10h 25m1 stop
$343American Airlines
Find Deal
Wed, Jan 29 - Mon, Feb 3
4:46 pm - 10:52 pmPWM-SAN
9h 06m1 stop
7:25 am - 11:10 pmSAN-PWM
12h 45m2 stops
$396Delta
Find Deal
Thu, Feb 20 - Mon, Feb 24
5:23 am - 12:25 pmPWM-SAN
10h 02m1 stop
6:25 am - 11:51 pmSAN-PWM
14h 26m2 stops
$415Delta
Find Deal
Wed, Jan 29 - Sun, Feb 2
1:00 pm - 10:05 pmPWM-SAN
12h 05m1 stop
9:35 pm - 12:25 pmSAN-PWM
11h 50m1 stop
$447Southwest
Find Deal
Thu, Mar 6 - Sun, Mar 9
1:00 pm - 10:05 pmPWM-SAN
12h 05m1 stop
7:30 pm - 12:25 pmSAN-PWM
13h 55m2 stops
$452Southwest
Find Deal
Thu, Mar 6 - Sun, Mar 9
7:15 pm - 2:59 pmPWM-SAN
22h 44m2 stops
6:50 pm - 11:23 amSAN-PWM
13h 33m3 stops
$494United Airlines
Find Deal
Tue, Feb 18 - Mon, Feb 24
2:25 pm - 9:48 amPWM-SAN
22h 23m3 stops
11:48 am - 10:34 pmSAN-PWM
31h 46m2 stops
$683Alaska Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
2:19 pm - 7:39 amPWM-SAN
20h 20m2 stops
10:45 am - 12:30 pmSAN-PWM
22h 45m3 stops
$709Alaska Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
5:27 am - 12:25 pmPWM-SAN
9h 58m1 stop
$167Delta
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Tue, Feb 4
6:00 am - 6:51 pmPWM-SAN
15h 51m2 stops
$172Delta
Find Deal
Tue, Feb 4
4:46 pm - 10:52 pmPWM-SAN
9h 06m1 stop
$214Delta
Find Deal
Thu, Mar 6
1:00 pm - 10:05 pmPWM-SAN
12h 05m1 stop
$219Southwest
Find Deal
Thu, Mar 6
6:01 am - 8:23 pmPWM-SAN
17h 22m3 stops
$227United Airlines
Find Deal
Tue, Mar 11
6:18 pm - 4:44 pmPWM-SAN
25h 26m3 stops
Mon, Mar 10
6:18 pm - 10:18 pmPWM-SAN
31h 00m3 stops
Fri, Jan 17
4:10 pm - 10:16 amPWM-SAN
21h 06m2 stops
$386United Airlines
Find Deal
Sat, Jan 18
6:35 pm - 12:14 amPWM-SAN
32h 39m2 stops
$416United Airlines
Find Deal
Fri, Jan 17
4:00 pm - 10:08 pmPWM-SAN
9h 08m1 stop
$419American Airlines
Find Deal
Fri, Jan 17
5:34 am - 1:16 pmPWM-SAN
10h 42m1 stop
11:38 am - 11:51 pmSAN-PWM
9h 13m1 stop
$1,017Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
5:23 am - 12:25 pmPWM-SAN
10h 02m1 stop
7:25 am - 11:51 pmSAN-PWM
13h 26m2 stops
$1,022Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
6:00 am - 6:51 pmPWM-SAN
15h 51m2 stops
10:15 pm - 11:19 amSAN-PWM
10h 04m2 stops
$1,027Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
5:23 am - 12:25 pmPWM-SAN
10h 02m1 stop
7:25 am - 11:57 pmSAN-PWM
13h 32m2 stops
$1,162Delta
Find Deal
Mon, Jan 13 - Tue, Jan 21
5:23 am - 4:09 pmPWM-SAN
13h 46m2 stops
7:25 am - 11:10 pmSAN-PWM
12h 45m2 stops
$1,167Delta
Find Deal
Mon, Jan 13 - Tue, Jan 21
4:10 pm - 10:30 pmPWM-SAN
9h 20m1 stop
11:25 am - 10:30 pmSAN-PWM
8h 05m1 stop
$1,521United Airlines
Find Deal
Mon, Jan 13 - Tue, Jan 21

American Airlines flights from Portland, Maine to San Diego

Our best American Airlines deals on Portland, Maine to San Diego flight tickets
American Airlines
Feb 4
PWM5:44 amPortland
9h 06m
1 stop
SAN11:50 amSan Diego
Feb 12
SAN9:29 amSan Diego
11h 28m
2 stops
PWM11:57 pmPortland
American Airlines
Jan 29
PWM7:10 amPortland
9h 41m
1 stop
SAN1:51 pmSan Diego
Feb 3
SAN10:45 pmSan Diego
10h 25m
1 stop
PWM12:10 pmPortland
American Airlines
Jan 29
PWM7:10 amPortland
9h 41m
1 stop
SAN1:51 pmSan Diego
Feb 3
SAN10:21 amSan Diego
9h 09m
2 stops
PWM10:30 pmPortland

Delta flights from Portland, Maine to San Diego

Our best Delta deals on Portland, Maine to San Diego flight tickets
Delta
Feb 20
PWM4:46 pmPortland
9h 06m
1 stop
SAN10:52 pmSan Diego
Feb 24
SAN7:25 amSan Diego
12h 45m
2 stops
PWM11:10 pmPortland
Delta
Jan 29
PWM5:23 amPortland
10h 02m
1 stop
SAN12:25 pmSan Diego
Feb 2
SAN6:25 amSan Diego
14h 26m
2 stops
PWM11:51 pmPortland
Delta
Jan 29
PWM12:00 pmPortland
12h 05m
2 stops
SAN9:05 pmSan Diego
Feb 2
SAN10:15 pmSan Diego
10h 04m
2 stops
PWM11:19 amPortland

See travel insights to San Diego from

How to get the cheapest flight ticket from Portland, Maine 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 January, then departing from Portland, Maine during the month September is also very affordable. Most momondo users find prices during this month for around $438.

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

The cheapest day to depart from Portland, Maine 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 $472. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $809. 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 afternoon when flights can be purchased for as low as $476. Flights in the morning are often more expensive with an average ticket price of $543.

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

Most flyers found that booking tickets 45 days in advance of their planned departure date is the best time to get cheap flights to San Diego. During this timeframe, flight prices are around $524. However, in the past 72 hours, people saw flights from Portland, Maine for as low as $385.

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

As of January 2025, prices for Portland, Maine to San Diego flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to San Diego

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

Cheap Portland, Maine to San Diego (PWM to SAN) flight deals and tips

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

Best Price Found

$167

Fastest flight time

8h 01m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Portland, Maine in the past 72 hours is $167. The best round-trip flight deal from Portland, Maine to San Diego found on momondo in the last 72 hours is $333.
The fastest flight from Portland, Maine to San Diego takes 8h 01m
There are no direct flights from Portland, Maine to San Diego. Popular non-direct route for this connection is Portland Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is Portland to San Diego by plane?

    The distance between Portland and San Diego is about 2617.3 mi. In terms of flight time, this usually takes a little over 8h 01m.

  • 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 refresh daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from Portland, Maine to San Diego

Compare and see reviews for airlines that fly from Portland, Maine to San Diego with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $318Free CancellationRating
8.1
4,648 reviews
Search Southwest flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $327Free CancellationRating
8.0
8,499 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
8,939 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to San Diego. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to San Diego from Portland with this policy.

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

Once all potential Portland to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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