What is the cheapest airline that flies from San Diego to Maine?

Delta, Southwest, and United Airlines are the most popular carriers operating from San Diego to Maine

What airlines fly to Maine?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Maine from San Diego according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Maine. Keep in mind that there are 4 different airlines that fly to Maine on a routine basis, so you have a few additional options to choose from.

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

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

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

As of October 2026, there are 4 operators available to choose from for flights from San Diego Airport to Maine.

How old do you have to be to fly from San Diego Airport to Maine?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Maine.

What documentation or ID do you need to fly to Maine?

The travel and health documents you'll need for your trip to Maine 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 Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$161 Cheap Flights from San Diego to Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Maine

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:22 pm - 4:24 pmSAN San Diego-PWM Portland

24h 02m1 stop Raleigh-Durham

5:09 pm - 11:57 pmPWM Portland-SAN San Diego

33h 48m2 stops Raleigh-Durham Denver Intl

$328Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

9:23 am - 11:07 pmSAN San Diego-BGR Bangor

10h 44m1 stop Philadelphia

3:10 pm - 9:40 pmBGR Bangor-SAN San Diego

9h 30m1 stop Philadelphia

$341American Airlines

Wed, Dec 9 - Wed, Jan 6

9:40 pm - 9:00 amSAN San Diego-PWM Portland

8h 20m1 stop Newark

8:47 am - 3:12 pmPWM Portland-SAN San Diego

9h 25m1 stop Chicago O'Hare Intl

$357United Airlines

Tue, Oct 27 - Tue, Nov 3

9:45 pm - 10:07 amSAN San Diego-PWM Portland

9h 22m1 stop Washington, D.C. Dulles Intl

5:08 pm - 10:40 pmPWM Portland-SAN San Diego

8h 32m1 stop Chicago O'Hare Intl

$357United Airlines

Sat, Nov 7 - Thu, Nov 12

6:50 am - 5:20 pmSAN San Diego-PWM Portland

7h 30m1 stop Nashville Intl

3:25 pm - 8:55 pmPWM Portland-SAN San Diego

8h 30m1 stop Baltimore/Washington

$357Southwest

Tue, Oct 27 - Tue, Nov 3

6:39 am - 12:10 amSAN San Diego-PWM Portland

14h 31m2 stops Los Angeles New York John F Kennedy Intl

4:50 pm - 10:10 pmPWM Portland-SAN San Diego

8h 20m1 stop Detroit Metropolitan Wayne County

$362Delta

Sat, Nov 7 - Thu, Nov 12

6:57 pm - 10:50 amSAN San Diego-PWM Portland

12h 53m2 stops Seattle/Tacoma Intl Minneapolis St Paul

6:01 am - 11:13 amPWM Portland-SAN San Diego

8h 12m1 stop Atlanta Hartsfield-Jackson

$362Delta

Wed, Oct 28 - Wed, Nov 4

9:55 pm - 10:30 amSAN San Diego-PWM Portland

9h 35m1 stop Baltimore/Washington

5:10 pm - 11:15 pmPWM Portland-SAN San Diego

9h 05m1 stop Baltimore/Washington

$372Southwest

Thu, Dec 10 - Fri, Dec 11

10:40 pm - 12:31 pmSAN San Diego-PWM Portland

10h 51m1 stop Chicago O'Hare Intl

4:23 pm - 9:37 pmPWM Portland-SAN San Diego

8h 14m1 stop Charlotte Douglas

$372American Airlines

Fri, Oct 23 - Thu, Oct 29

6:27 pm - 10:31 pmSAN San Diego-PWM Portland

25h 04m2 stops Seattle/Tacoma Intl Philadelphia

1:05 pm - 10:06 amPWM Portland-SAN San Diego

24h 01m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$777Alaska Airlines

Thu, Oct 15 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

10:40 am - 9:39 pmSAN San Diego-BGR Bangor

7h 59m1 stop Chicago O'Hare Intl

9:25 am - 3:49 pmBGR Bangor-SAN San Diego

9h 24m1 stop Chicago O'Hare Intl

$617United Airlines

Sat, Oct 3 - Mon, Oct 5

10:40 am - 9:39 pmSAN San Diego-BGR Bangor

7h 59m1 stop Chicago O'Hare Intl

9:25 am - 8:08 pmBGR Bangor-SAN San Diego

13h 43m2 stops Chicago O'Hare Intl Los Angeles

$622United Airlines

Sat, Oct 3 - Mon, Oct 5

7:00 am - 9:39 pmSAN San Diego-BGR Bangor

11h 39m2 stops Denver Intl Chicago O'Hare Intl

9:25 am - 8:08 pmBGR Bangor-SAN San Diego

13h 43m2 stops Chicago O'Hare Intl Los Angeles

$673United Airlines

Sat, Oct 3 - Mon, Oct 5

6:18 am - 11:43 pmSAN San Diego-PWM Portland

14h 25m1 stop Chicago O'Hare Intl

4:23 pm - 9:37 pmPWM Portland-SAN San Diego

8h 14m1 stop Charlotte Douglas

$795American Airlines

Thu, Oct 8 - Thu, Oct 15

1:22 pm - 4:24 pmSAN San Diego-PWM Portland

24h 02m1 stop Raleigh-Durham

5:09 pm - 11:56 pmPWM Portland-SAN San Diego

33h 47m2 stops Raleigh-Durham Denver Intl

$852Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

6:18 am - 11:43 pmSAN San Diego-PWM Portland

14h 25m1 stop Chicago O'Hare Intl

7:00 am - 7:28 pmPWM Portland-SAN San Diego

15h 28m1 stop Chicago O'Hare Intl

$881American Airlines

Wed, Oct 7 - Fri, Oct 9

10:57 am - 12:10 amSAN San Diego-PWM Portland

10h 13m2 stops Los Angeles New York John F Kennedy Intl

12:42 pm - 10:51 pmPWM Portland-SAN San Diego

13h 09m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$903Delta

Thu, Oct 8 - Thu, Oct 15

1:22 pm - 4:24 pmSAN San Diego-PWM Portland

24h 02m1 stop Raleigh-Durham

6:00 am - 9:14 amPWM Portland-SAN San Diego

30h 14m1 stop New York John F Kennedy Intl

$907Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

11:55 am - 11:55 pmSAN San Diego-PWM Portland

9h 00m2 stops Chicago Midway Baltimore/Washington

5:20 am - 12:05 pmPWM Portland-SAN San Diego

9h 45m2 stops Baltimore/Washington Chicago Midway

$1,037Southwest

Mon, Oct 5 - Fri, Oct 9

9:46 am - 11:28 pmSAN San Diego-PWM Portland

10h 42m2 stops Salt Lake City Atlanta Hartsfield-Jackson

11:55 am - 7:14 pmPWM Portland-SAN San Diego

10h 19m2 stops Minneapolis St Paul Los Angeles

$1,037Delta

Mon, Oct 5 - Fri, Oct 9

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United Airlines flights from San Diego to Maine

Our best United Airlines deals on San Diego to Maine flight tickets

United Airlines

Oct 27

SAN9:40 pmSan Diego

8h 20m

1 stop

PWM9:00 amPortland

Nov 3

PWM8:47 amPortland

9h 25m

1 stop

SAN3:12 pmSan Diego

$357

United Airlines

Oct 30

SAN1:10 pmSan Diego

7h 49m

1 stop

PWM11:59 pmPortland

Nov 2

PWM5:08 pmPortland

8h 32m

1 stop

SAN10:40 pmSan Diego

$387

United Airlines

Oct 30

SAN11:17 amSan Diego

9h 42m

2 stops

PWM11:59 pmPortland

Nov 2

PWM5:08 pmPortland

8h 32m

1 stop

SAN10:40 pmSan Diego

$392

Southwest flights from San Diego to Maine

Our best Southwest deals on San Diego to Maine flight tickets

Southwest

Oct 27

SAN10:40 pmSan Diego

10h 40m

2 stops

PWM12:20 pmPortland

Nov 3

PWM12:45 pmPortland

12h 05m

2 stops

SAN9:50 pmSan Diego

$382

Southwest

Nov 24

SAN5:20 pmSan Diego

13h 30m

1 stop

PWM9:50 amPortland

Dec 5

PWM1:00 pmPortland

10h 20m

1 stop

SAN8:20 pmSan Diego

$404

Southwest

Nov 24

SAN5:20 pmSan Diego

13h 30m

1 stop

PWM9:50 amPortland

Dec 5

PWM1:00 pmPortland

10h 20m

1 stop

SAN8:20 pmSan Diego

$414

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 10/27

1:22 pm-4:24 pm

1 stop24h 02m

Portland

Tue 11/3

5:09 pm-11:57 pm

2 stops33h 48m

$328

San DiegoBangor

SAN San Diego - BGR Bangor

SANBGR

San Diego

Wed 12/9

9:23 am-11:07 pm

1 stop10h 44m

Bangor

Wed 1/6

3:10 pm-9:40 pm

1 stop9h 30m

$341

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 10/27

9:40 pm-9:00 am

1 stop8h 20m

Portland

Tue 11/3

8:47 am-3:12 pm

1 stop9h 25m

$357

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 11/7

9:45 pm-10:07 am

1 stop9h 22m

Portland

Thu 11/12

5:08 pm-10:40 pm

1 stop8h 32m

$357

Quickest round-trip

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 10/27

6:50 am-5:20 pm

1 stop7h 30m

Portland

Tue 11/3

3:25 pm-8:55 pm

1 stop8h 30m

$357

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 11/7

6:39 am-12:10 am

2 stops14h 31m

Portland

Thu 11/12

4:50 pm-10:10 pm

1 stop8h 20m

$362

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Wed 10/28

6:57 pm-10:50 am

2 stops12h 53m

Portland

Wed 11/4

6:01 am-11:13 am

1 stop8h 12m

$362

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Thu 12/10

9:55 pm-10:30 am

1 stop9h 35m

Portland

Fri 12/11

5:10 pm-11:15 pm

1 stop9h 05m

$372

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Fri 10/23

10:40 pm-12:31 pm

1 stop10h 51m

Portland

Thu 10/29

4:23 pm-9:37 pm

1 stop8h 14m

$372

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Thu 10/15

6:27 pm-10:31 pm

2 stops25h 04m

Portland

Wed 10/21

1:05 pm-10:06 am

2 stops24h 01m

$777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to 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

Prices

Airlines

What is the cheapest month to fly to Maine?

The cheapest month to fly to Maine from San Diego is in February. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $506.

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

You could potentially save up to 54% on your flight if you consider stops on a San Diego to Maine flight.

Cheap San Diego to Maine flight deals and tips

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

Best Price Found	$161
Fastest flight time	5h 15m
Direct flights	None

The best one-way flight to Maine from San Diego in the past 72 hours is $161. The best round-trip flight deal from San Diego to Maine found on momondo in the last 72 hours is $328.

The fastest flight from San Diego to Maine takes 5h 15m

There are no direct flights from San Diego to Maine. There are no popular flight routes from San Diego to Maine.

Search flight deals

Frequently asked questions about flying from San Diego to Maine

When did momondo last update prices for flights from San Diego Airport to Maine?
Prices for flights from San Diego Airport to Maine refresh daily.
How many operators does momondo search for flights from San Diego Airport to Maine?
As of October 2026, there are 4 operators available to choose from for flights from San Diego Airport to Maine.
How old do you have to be to fly from San Diego Airport to Maine?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Maine.
What documentation or ID do you need to fly to Maine?
The travel and health documents you'll need for your trip to Maine 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 Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Diego to Maine

Compare and see reviews for airlines that fly from San Diego to Maine with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $296	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
American Airlines	PriceFrom $330	Free Cancellation	Rating 7.0 12,130 reviews	Search American Airlines flights
United Airlines	PriceFrom $362	Free Cancellation	Rating 7.4 10,283 reviews	Search United Airlines flights
Southwest	PriceFrom $446	Free Cancellation	Rating 7.9 4,215 reviews	Search Southwest flights

Why use momondo?

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

Finding the right flight to Maine from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Maine quick and easy, saving you time and money.

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

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

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

Once you have performed a search for San Diego to Maine flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Maine from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.