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Cheap flights from Monroe to San Diego from $278

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Monroe to San Diego departing on 12/11. 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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Cheap round-trip flights

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Delta Logo
1:04 pm - 6:18 pmMLU-SAN
7h 14m1 stop
Delta Logo
12:24 pm - 10:11 pmSAN-MLU
7h 47m1 stop
$278Delta
Find Deal
Thu, Dec 11 - Sat, Dec 13
American Airlines Logo
10:02 am - 2:32 pmMLU-SAN
6h 30m1 stop
American Airlines Logo
9:50 am - 10:12 pmSAN-MLU
10h 22m2 stops
$284American Airlines
Find Deal
Wed, Dec 17 - Thu, Dec 25
American Airlines Logo
10:02 am - 6:25 pmMLU-SAN
10h 23m2 stops
American Airlines Logo
9:50 am - 10:12 pmSAN-MLU
10h 22m2 stops
$381American Airlines
Find Deal
Wed, Dec 17 - Thu, Dec 25
American Airlines Logo
5:30 am - 9:49 amMLU-SAN
6h 19m1 stop
American Airlines Logo
2:23 pm - 10:12 pmSAN-MLU
5h 49m1 stop
$387American Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
American Airlines Logo
10:04 am - 2:34 pmMLU-SAN
6h 30m1 stop
American Airlines Logo
12:58 pm - 10:12 pmSAN-MLU
7h 14m2 stops
$393American Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
Delta Logo
1:04 pm - 6:18 pmMLU-SAN
7h 14m1 stop
Delta Logo
6:15 am - 10:11 pmSAN-MLU
13h 56m2 stops
$442Delta
Find Deal
Thu, Dec 11 - Sat, Dec 13
American Airlines Logo
6:23 pm - 11:04 pmMLU-SAN
6h 41m1 stop
American Airlines Logo
2:39 pm - 10:16 pmSAN-MLU
5h 37m1 stop
$473American Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
American Airlines Logo
5:30 am - 11:57 amMLU-SAN
8h 27m2 stops
American Airlines Logo
10:07 am - 10:28 pmSAN-MLU
10h 21m2 stops
$478American Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 13
American Airlines Logo
5:30 am - 12:04 pmMLU-SAN
8h 34m2 stops
American Airlines Logo
12:58 pm - 10:12 pmSAN-MLU
7h 14m2 stops
$514American Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
American Airlines Logo
6:23 pm - 11:04 pmMLU-SAN
6h 41m1 stop
American Airlines Logo
12:50 pm - 10:16 pmSAN-MLU
7h 26m2 stops
$574American Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1

Delta flights from Monroe to San Diego

Our best Delta deals on Monroe to San Diego flight tickets
Delta
Dec 11
MLU1:04 pmMonroe Huenefeld
7h 14m
1 stop
SAN6:18 pmSan Diego
Dec 13
SAN12:24 pmSan Diego
7h 47m
1 stop
MLU10:11 pmMonroe Huenefeld
$278
Find similar
Delta
Oct 18
MLU5:53 pmMonroe Huenefeld
7h 21m
1 stop
SAN11:14 pmSan Diego
Oct 22
SAN11:00 amSan Diego
9h 07m
1 stop
MLU10:07 pmMonroe Huenefeld
$352
Find similar
Delta
Dec 11
MLU1:04 pmMonroe Huenefeld
7h 14m
1 stop
SAN6:18 pmSan Diego
Dec 13
SAN6:15 amSan Diego
13h 56m
2 stops
MLU10:11 pmMonroe Huenefeld
$442
Find similar

American Airlines flights from Monroe to San Diego

Our best American Airlines deals on Monroe to San Diego flight tickets
American Airlines
Dec 17
MLU10:02 amMonroe Huenefeld
6h 30m
1 stop
SAN2:32 pmSan Diego
Dec 25
SAN9:50 amSan Diego
10h 22m
2 stops
MLU10:12 pmMonroe Huenefeld
$284
Find similar
American Airlines
Dec 17
MLU10:02 amMonroe Huenefeld
10h 23m
2 stops
SAN6:25 pmSan Diego
Dec 25
SAN9:50 amSan Diego
10h 22m
2 stops
MLU10:12 pmMonroe Huenefeld
$381
Find similar
American Airlines
Dec 18
MLU5:30 amMonroe Huenefeld
6h 19m
1 stop
SAN9:49 amSan Diego
Dec 25
SAN2:23 pmSan Diego
5h 49m
1 stop
MLU10:12 pmMonroe Huenefeld
$387
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Monroe to San Diego 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 October 14, 2025.
Use the filters below to find and compare flights from Monroe to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/11

1:04 pm-6:18 pm

1 stop7h 14m

San Diego

Sat 12/13

12:24 pm-10:11 pm

1 stop7h 47m

$278

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Wed 12/17

10:02 am-2:32 pm

1 stop6h 30m

San Diego

Thu 12/25

9:50 am-10:12 pm

2 stops10h 22m

$284

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Wed 12/17

10:02 am-6:25 pm

2 stops10h 23m

San Diego

Thu 12/25

9:50 am-10:12 pm

2 stops10h 22m

$381

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/18

5:30 am-9:49 am

1 stop6h 19m

San Diego

Thu 12/25

2:23 pm-10:12 pm

1 stop5h 49m

$387

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/18

10:04 am-2:34 pm

1 stop6h 30m

San Diego

Thu 12/25

12:58 pm-10:12 pm

2 stops7h 14m

$393

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/11

1:04 pm-6:18 pm

1 stop7h 14m

San Diego

Sat 12/13

6:15 am-10:11 pm

2 stops13h 56m

$442

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Wed 11/26

6:23 pm-11:04 pm

1 stop6h 41m

San Diego

Mon 12/1

2:39 pm-10:16 pm

1 stop5h 37m

$473

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/11

5:30 am-11:57 am

2 stops8h 27m

San Diego

Sat 12/13

10:07 am-10:28 pm

2 stops10h 21m

$478

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/18

5:30 am-12:04 pm

2 stops8h 34m

San Diego

Thu 12/25

12:58 pm-10:12 pm

2 stops7h 14m

$514

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Wed 11/26

6:23 pm-11:04 pm

1 stop6h 41m

San Diego

Mon 12/1

12:50 pm-10:16 pm

2 stops7h 26m

$574

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Diego from

How to get the cheapest flight ticket from Monroe 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 day to depart on your flight to San Diego?

The cheapest day to depart from Monroe to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $246. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $669. 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 morning when flights can be purchased for as low as $459. Flights in the afternoon are often more expensive with an average ticket price of $519.

When to book flights from Monroe to San Diego

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

Cheap Monroe to San Diego (MLU to SAN) flight deals and tips

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

Direct flights

None
There are no direct flights from Monroe to San Diego. There are no popular flight routes from Monroe to San Diego.
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  • How far is Monroe Huenefeld to San Diego by plane?

    The distance between Monroe Huenefeld and San Diego is about 1452.8 mi. A reasonable flight in good conditions will take 6h 19m.

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

    Prices for flights from Monroe Huenefeld Airport to San Diego Airport are updated daily.

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

  • How old do you have to be to fly from Monroe Huenefeld Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Monroe Huenefeld 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 Monroe to San Diego?

Best airlines flying from Monroe to San Diego

Compare and see reviews for airlines that fly from Monroe to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $278Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
San Ysidro
Borrego Springs
Lemon Grove
Alpine
Santee

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Monroe to San Diego flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Monroe and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Monroe 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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