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Cheap flights from San Diego to Portland, Maine from $139

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, Maine departing on 4/23. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to Portland.
American Airlines Logo
9:24 am - 10:49 pmSAN-PWM
10h 25m1 stop
American Airlines Logo
12:08 pm - 7:16 pmPWM-SAN
10h 08m1 stop
$277American Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
American Airlines Logo
10:19 am - 10:45 pmSAN-PWM
9h 26m2 stops
American Airlines Logo
6:00 am - 11:41 amPWM-SAN
8h 41m1 stop
$282American Airlines
Find Deal
Sat, May 17 - Wed, May 21
Delta Logo
1:22 pm - 12:42 amSAN-PWM
8h 20m1 stop
Delta Logo
5:32 am - 12:04 pmPWM-SAN
9h 32m1 stop
$297Delta
Find Deal
Wed, Apr 30 - Tue, May 6
Delta Logo
1:22 pm - 12:42 amSAN-PWM
8h 20m1 stop
Delta Logo
1:52 pm - 9:59 pmPWM-SAN
11h 07m2 stops
$302Delta
Find Deal
Wed, Apr 30 - Tue, May 6
United Airlines Logo
10:10 pm - 11:02 amSAN-PWM
9h 52m1 stop
United Airlines Logo
2:37 pm - 8:37 pmPWM-SAN
9h 00m1 stop
$314United Airlines
Find Deal
Thu, May 8 - Tue, May 13
United Airlines Logo
10:30 am - 11:27 pmSAN-PWM
9h 57m2 stops
United Airlines Logo
6:13 am - 1:46 pmPWM-SAN
10h 33m1 stop
$319United Airlines
Find Deal
Thu, May 8 - Tue, May 13
Southwest Logo
9:10 pm - 10:15 amSAN-PWM
10h 05m1 stop
Southwest Logo
3:20 pm - 10:45 pmPWM-SAN
10h 25m1 stop
$369Southwest
Find Deal
Fri, Sep 12 - Thu, Sep 25
Southwest Logo
9:10 pm - 10:15 amSAN-PWM
10h 05m1 stop
Southwest Logo
2:00 pm - 9:35 pmPWM-SAN
10h 35m1 stop
$370Southwest
Find Deal
Fri, Sep 12 - Thu, Sep 25
JetBlue Logo
10:15 am - 9:59 pmSAN-PWM
8h 44m1 stop
JetBlue Logo
2:15 pm - 7:30 pmPWM-SAN
8h 15m1 stop
$374JetBlue
Find Deal
Thu, Sep 11 - Fri, Sep 26
JetBlue Logo
10:15 am - 9:59 pmSAN-PWM
8h 44m1 stop
JetBlue Logo
2:15 pm - 7:30 pmPWM-SAN
8h 15m1 stop
$407JetBlue
Find Deal
Thu, Sep 11 - Mon, Sep 22

American Airlines flights from San Diego to Portland, Maine

Our best American Airlines deals on San Diego to Portland, Maine flight tickets
American Airlines
Apr 30
SAN9:24 amSan Diego
10h 25m
1 stop
PWM10:49 pmPortland
May 7
PWM12:08 pmPortland
10h 08m
1 stop
SAN7:16 pmSan Diego
American Airlines
May 17
SAN10:19 amSan Diego
9h 26m
2 stops
PWM10:45 pmPortland
May 21
PWM6:00 amPortland
8h 41m
1 stop
SAN11:41 amSan Diego
American Airlines
May 17
SAN10:19 amSan Diego
9h 26m
2 stops
PWM10:45 pmPortland
May 21
PWM4:01 pmPortland
10h 58m
2 stops
SAN11:59 pmSan Diego

Delta flights from San Diego to Portland, Maine

Our best Delta deals on San Diego to Portland, Maine flight tickets
Delta
Apr 30
SAN1:22 pmSan Diego
8h 20m
1 stop
PWM12:42 amPortland
May 6
PWM5:32 amPortland
9h 32m
1 stop
SAN12:04 pmSan Diego
Delta
Apr 30
SAN1:22 pmSan Diego
8h 20m
1 stop
PWM12:42 amPortland
May 6
PWM1:52 pmPortland
11h 07m
2 stops
SAN9:59 pmSan Diego
Delta
Apr 30
SAN6:15 amSan Diego
15h 27m
2 stops
PWM12:42 amPortland
May 7
PWM6:05 amPortland
14h 57m
2 stops
SAN6:02 pmSan Diego

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 cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from San Diego is in February. Flight prices, which tend to average around $384, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $433.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from San Diego is on a Saturday. momondo users have found tickets for Saturday departures for as low as $461. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $665.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from San Diego to Portland, Maine when you can find flight prices for as low as $491. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $587. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $521 when searching 25 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 $333 on momondo.

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

As of April 2025, prices for San Diego to Portland, Maine flights are approximately 1% 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

Best Price Found

$139

Fastest flight time

7h 30m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from San Diego in the past 72 hours is $139. The best round-trip flight deal from San Diego to Portland, Maine found on momondo in the last 72 hours is $277.
The fastest flight from San Diego to Portland, Maine takes 7h 30m
There are no direct flights from San Diego to Portland, Maine. Popular non-direct route for this connection is San Diego Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)

  • How far is San Diego to Portland by plane?

    Portland is 2617.3 mi away from San Diego. Flights usually cover this in 7h 30m, 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 $316Free CancellationRating
8.0
7,897 reviews
Search Delta flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
SouthwestPriceFrom $436Free CancellationRating
8.0
4,274 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
Jackson
Boothbay Harbor
Conway
Freeport
Bartlett
Lewiston
Gorham
Brunswick
Auburn
Intervale
Windham
Bath
Falmouth
Oxford
Tamworth
Georgetown

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.


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