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Cheap flights from Portland, Maine to San Diego from $154

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 1/12. 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.
5:44 am - 11:50 amPWM-SAN
9h 06m1 stop
12:08 pm - 10:30 pmSAN-PWM
7h 22m1 stop
$308American Airlines
Find Deal
Sat, Jan 18 - Sat, Jan 25
5:24 am - 4:00 pmPWM-SAN
13h 36m2 stops
10:45 pm - 12:10 pmSAN-PWM
10h 25m1 stop
$313American Airlines
Find Deal
Sat, Jan 18 - Sat, Jan 25
1:10 pm - 9:06 pmPWM-SAN
10h 56m2 stops
7:25 am - 11:51 pmSAN-PWM
13h 26m2 stops
$318Delta
Find Deal
Sat, Jan 25 - Sat, Feb 1
5:30 am - 12:35 pmPWM-SAN
10h 05m2 stops
7:30 am - 10:05 pmSAN-PWM
11h 35m1 stop
$352Southwest
Find Deal
Fri, Jan 3 - Sat, Jan 11
5:30 am - 12:35 pmPWM-SAN
10h 05m2 stops
8:45 am - 10:05 pmSAN-PWM
10h 20m2 stops
$357Southwest
Find Deal
Fri, Jan 3 - Sat, Jan 11
4:46 pm - 10:52 pmPWM-SAN
9h 06m1 stop
7:25 am - 11:57 pmSAN-PWM
13h 32m2 stops
$376Delta
Find Deal
Sun, Feb 23 - Wed, Feb 26
6:00 am - 6:44 pmPWM-SAN
15h 44m2 stops
9:30 pm - 10:31 amSAN-PWM
10h 01m2 stops
$418United Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
1:18 pm - 3:29 pmPWM-SAN
29h 11m3 stops
7:26 pm - 11:20 amSAN-PWM
12h 54m2 stops
Tue, Jan 28 - Fri, Jan 31
6:00 am - 3:32 pmPWM-SAN
12h 32m2 stops
6:15 am - 11:59 pmSAN-PWM
14h 44m2 stops
$441United Airlines
Find Deal
Fri, Dec 13 - Wed, Dec 18
12:09 pm - 5:11 pmPWM-SAN
32h 02m3 stops
6:06 pm - 11:29 amSAN-PWM
14h 23m2 stops
Wed, Dec 18 - Fri, Dec 27
5:44 am - 11:50 amPWM-SAN
9h 06m1 stop
$154American Airlines
Find Deal
Sun, Jan 12
5:44 am - 3:22 pmPWM-SAN
12h 38m2 stops
$159American Airlines
Find Deal
Sun, Jan 12
7:51 pm - 5:56 pmPWM-SAN
25h 05m2 stops
$203Frontier
Find Deal
Sun, Dec 22
5:39 am - 11:06 amPWM-SAN
8h 27m1 stop
$219American Airlines
Find Deal
Wed, Jan 1
6:05 am - 11:54 amPWM-SAN
8h 49m1 stop
$229Delta
Find Deal
Wed, Dec 25
6:05 am - 3:26 pmPWM-SAN
12h 21m2 stops
$234Delta
Find Deal
Wed, Dec 25
6:00 am - 2:35 pmPWM-SAN
11h 35m2 stops
$248Southwest
Find Deal
Wed, Jan 1
5:20 am - 6:36 pmPWM-SAN
16h 16m3 stops
$323United Airlines
Find Deal
Wed, Jan 1
2:15 pm - 11:25 pmPWM-SAN
12h 10m2 stops
$328Southwest
Find Deal
Fri, Dec 20
7:16 pm - 9:14 amPWM-SAN
16h 58m2 stops
$423United Airlines
Find Deal
Mon, Dec 23
5:00 am - 12:07 pmPWM-SAN
10h 07m1 stop
11:26 am - 9:52 pmSAN-PWM
7h 26m1 stop
$741Delta
Find Deal
Fri, Nov 22 - Thu, Nov 28
6:00 am - 12:40 pmPWM-SAN
9h 40m1 stop
6:20 am - 9:52 pmSAN-PWM
12h 32m2 stops
$746Delta
Find Deal
Fri, Nov 22 - Thu, Nov 28
4:58 pm - 11:50 pmPWM-SAN
9h 52m2 stops
6:20 am - 9:52 pmSAN-PWM
12h 32m2 stops
$751Delta
Find Deal
Fri, Nov 22 - Thu, Nov 28
9:40 am - 10:27 pmPWM-SAN
15h 47m3 stops
6:15 am - 8:09 pmSAN-PWM
10h 54m2 stops
$877United Airlines
Find Deal
Fri, Nov 22 - Thu, Nov 28
1:31 pm - 11:58 pmPWM-SAN
13h 27m2 stops
6:15 am - 2:39 pmSAN-PWM
29h 24m3 stops
$1,036United Airlines
Find Deal
Fri, Nov 22 - Thu, Nov 28

American Airlines flights from Portland, Maine to San Diego

Our best American Airlines deals on Portland, Maine to San Diego flight tickets
American Airlines
Jan 18
PWM5:44 amPortland
9h 06m
1 stop
SAN11:50 amSan Diego
Jan 25
SAN12:08 pmSan Diego
7h 22m
1 stop
PWM10:30 pmPortland
American Airlines
Jan 18
PWM5:24 amPortland
13h 36m
2 stops
SAN4:00 pmSan Diego
Jan 25
SAN10:45 pmSan Diego
10h 25m
1 stop
PWM12:10 pmPortland
American Airlines
Jan 9
PWM2:24 pmPortland
12h 34m
2 stops
SAN11:58 pmSan Diego
Jan 17
SAN10:21 amSan Diego
9h 07m
2 stops
PWM10:28 pmPortland

Delta flights from Portland, Maine to San Diego

Our best Delta deals on Portland, Maine to San Diego flight tickets
Delta
Jan 25
PWM1:10 pmPortland
10h 56m
2 stops
SAN9:06 pmSan Diego
Feb 1
SAN7:25 amSan Diego
13h 26m
2 stops
PWM11:51 pmPortland
Delta
Feb 23
PWM4:46 pmPortland
9h 06m
1 stop
SAN10:52 pmSan Diego
Feb 26
SAN7:25 amSan Diego
13h 32m
2 stops
PWM11:57 pmPortland
Delta
Dec 16
PWM6:05 amPortland
15h 14m
2 stops
SAN6:19 pmSan Diego
Dec 18
SAN6:15 amSan Diego
14h 55m
2 stops
PWM12:10 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 $474. 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 evening when flights can be purchased for as low as $0. Flights in the morning are often more expensive with an average ticket price of $552.

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

Most flyers found that booking tickets 51 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 $526. However, in the past 72 hours, people saw flights from Portland, Maine for as low as $338.

Can stopping save me money on Portland, Maine to San Diego flights?

You could potentially save up to 3% on your flight if you consider stops on a Portland, Maine to San Diego flight.

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

As of November 2024, prices for Portland, Maine to San Diego flights are approximately 42% 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

$154

Fastest flight time

8h 22m

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 $154. The best round-trip flight deal from Portland, Maine to San Diego found on momondo in the last 72 hours is $308.
The fastest flight from Portland, Maine to San Diego takes 8h 22m
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 22m.

  • 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
American AirlinesPriceFrom $317Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $333Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
DeltaPriceFrom $341Free CancellationRating
8.0
8,755 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,172 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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