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Cheap flights from San Diego to Portland from $199

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Portland departing on 6/5. 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 San Diego to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:05 pm - 9:11 am
SAN
-
PWM
9h 06m
1 stop
United Airlines Logo
5:15 am - 10:49 am
PWM
-
SAN
8h 34m
1 stop
$399United Airlines
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
9:50 am - 11:51 pm
SAN
-
PWM
11h 01m
2 stops
American Airlines Logo
7:15 am - 1:05 pm
PWM
-
SAN
8h 50m
1 stop
$404American Airlines
Tue, Jun 2 - Tue, Jun 9
Delta Logo
6:15 am - 11:09 pm
SAN
-
PWM
13h 54m
2 stops
Delta Logo
6:00 am - 3:11 pm
PWM
-
SAN
12h 11m
2 stops
$409Delta
Tue, Jun 2 - Tue, Jun 9
United Airlines Logo
10:40 pm - 10:23 am
SAN
-
PWM
8h 43m
1 stop
United Airlines Logo
3:23 pm - 9:12 pm
PWM
-
SAN
8h 49m
1 stop
$410United Airlines
Mon, May 4 - Wed, May 13
United Airlines Logo
8:45 pm - 10:18 am
SAN
-
PWM
10h 33m
2 stops
United Airlines Logo
5:30 am - 11:16 am
PWM
-
SAN
8h 46m
1 stop
$415United Airlines
Mon, May 4 - Wed, May 13
Southwest Logo
12:45 pm - 11:10 pm
SAN
-
PWM
7h 25m
1 stop
Southwest Logo
5:40 am - 10:55 am
PWM
-
SAN
8h 15m
1 stop
$417Southwest
Sat, May 9 - Sat, May 16
United Airlines Logo
12:55 pm - 11:59 pm
SAN
-
PWM
8h 04m
1 stop
United Airlines Logo
4:50 pm - 10:39 pm
PWM
-
SAN
8h 49m
1 stop
$419United Airlines
Sat, May 9 - Mon, May 11
Delta Logo
10:30 pm - 3:57 pm
SAN
-
PWM
14h 27m
2 stops
Delta Logo
11:03 am - 7:23 pm
PWM
-
SAN
11h 20m
2 stops
$420Delta
Mon, May 4 - Wed, May 13
Southwest Logo
8:55 am - 11:10 pm
SAN
-
PWM
11h 15m
2 stops
Southwest Logo
5:40 am - 10:55 am
PWM
-
SAN
8h 15m
1 stop
$422Southwest
Sat, May 9 - Sat, May 16
United Airlines Logo
8:45 pm - 10:18 am
SAN
-
PWM
10h 33m
2 stops
United Airlines Logo
4:50 pm - 10:39 pm
PWM
-
SAN
8h 49m
1 stop
$424United Airlines
Sat, May 9 - Thu, May 14

American Airlines flights from San Diego to Portland, Maine

Our best American Airlines deals on San Diego to Portland, Maine flight tickets
American Airlines
Jun 2
SAN9:50 amSan Diego
11h 01m
2 stops
PWM11:51 pmPortland
Jun 9
PWM7:15 amPortland
8h 50m
1 stop
SAN1:05 pmSan Diego
$404
American Airlines
May 21
SAN6:15 amSan Diego
9h 14m
1 stop
PWM6:29 pmPortland
Jun 1
PWM5:36 pmPortland
9h 23m
1 stop
SAN11:59 pmSan Diego
$453
American Airlines
Jun 3
SAN6:15 amSan Diego
9h 14m
1 stop
PWM6:29 pmPortland
Jun 11
PWM5:36 pmPortland
9h 23m
1 stop
SAN11:59 pmSan Diego
$461

Southwest flights from San Diego to Portland, Maine

Our best Southwest deals on San Diego to Portland, Maine flight tickets
Southwest
May 9
SAN12:45 pmSan Diego
7h 25m
1 stop
PWM11:10 pmPortland
May 16
PWM5:40 amPortland
8h 15m
1 stop
SAN10:55 amSan Diego
$417
Southwest
May 9
SAN8:55 amSan Diego
11h 15m
2 stops
PWM11:10 pmPortland
May 16
PWM5:40 amPortland
8h 15m
1 stop
SAN10:55 amSan Diego
$422
Southwest
Jun 4
SAN11:15 amSan Diego
9h 50m
1 stop
PWM12:05 amPortland
Jun 12
PWM5:35 amPortland
9h 10m
1 stop
SAN11:45 amSan Diego
$483

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Portland, Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 13, 2026.
Use the filters below to find and compare flights from San Diego to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Tue 6/2

9:05 pm-9:11 am

1 stop9h 06m

Portland

Tue 6/9

5:15 am-10:49 am

1 stop8h 34m

$399

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Tue 6/2

9:50 am-11:51 pm

2 stops11h 01m

Portland

Tue 6/9

7:15 am-1:05 pm

1 stop8h 50m

$404

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Tue 6/2

6:15 am-11:09 pm

2 stops13h 54m

Portland

Tue 6/9

6:00 am-3:11 pm

2 stops12h 11m

$409

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Mon 5/4

10:40 pm-10:23 am

1 stop8h 43m

Portland

Wed 5/13

3:23 pm-9:12 pm

1 stop8h 49m

$410

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Mon 5/4

8:45 pm-10:18 am

2 stops10h 33m

Portland

Wed 5/13

5:30 am-11:16 am

1 stop8h 46m

$415
Quickest round-trip

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 5/9

12:45 pm-11:10 pm

1 stop7h 25m

Portland

Sat 5/16

5:40 am-10:55 am

1 stop8h 15m

$417

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 5/9

12:55 pm-11:59 pm

1 stop8h 04m

Portland

Mon 5/11

4:50 pm-10:39 pm

1 stop8h 49m

$419

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Mon 5/4

10:30 pm-3:57 pm

2 stops14h 27m

Portland

Wed 5/13

11:03 am-7:23 pm

2 stops11h 20m

$420

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 5/9

8:55 am-11:10 pm

2 stops11h 15m

Portland

Sat 5/16

5:40 am-10:55 am

1 stop8h 15m

$422

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 5/9

8:45 pm-10:18 am

2 stops10h 33m

Portland

Thu 5/14

4:50 pm-10:39 pm

1 stop8h 49m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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

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 typical price of a round-trip flight between San Diego and Portland, Maine?

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $530 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from San Diego for as low as $368 on momondo.

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

As of April 2026, prices for San Diego to Portland, Maine flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Portland, Maine

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

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

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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from San Diego to Portland, Maine takes 7h 00m
There are no direct flights from San Diego to Portland, Maine. There are no popular flight routes from San Diego to Portland, Maine.
Search flight deals

Frequently asked questions about flying from San Diego to Portland, Maine

  • How far is San Diego to Portland by plane?

    Portland is 2617.3 mi away from San Diego. Flights usually cover this in 7h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Portland Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from San Diego to Portland, Maine

Compare and see reviews for airlines that fly from San Diego to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $312Free CancellationRating
7.9
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $332Free CancellationRating
7.1
11,569 reviews
Search American Airlines flights
United AirlinesPriceFrom $349Free CancellationRating
7.4
9,579 reviews
Search United Airlines flights
SouthwestPriceFrom $361Free CancellationRating
8.0
4,331 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

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

It is quick and easy to find San Diego to Portland 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 Portland that suits you.

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

All flight searches from San Diego to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Portland from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of San Diego to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portland, Maine trip

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