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$278+ Cheap flights from Monroe to San Diego (MLU - SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Monroe to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$278
(American Airlines)
From Monroe Huenefeld to San Diego
Search Deals

Find flight deals from Monroe to San Diego

Cheapest flights from Monroe to San Diego
Explore the most affordable flight options available from Monroe to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:44 pmMLU - SAN
1 stop5h 37mAmerican Airlines
Thu 12/252:23 pmSAN - MLU
1 stop5h 49mAmerican Airlines
Deal found 9/14$278
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:30 amMLU - SAN
1 stop6h 26mAmerican Airlines
Sat 11/1510:09 amSAN - MLU
2 stops10h 22mAmerican Airlines
Deal found 9/13$312
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:53 pmMLU - SAN
1 stop7h 53mDelta
Sat 12/136:15 amSAN - MLU
2 stops13h 56mDelta
Deal found 9/13$342
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:30 amMLU - SAN
1 stop6h 24mAmerican Airlines
Sat 12/1310:47 amSAN - MLU
1 stop5h 05mAmerican Airlines
Deal found 9/12$358
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:02 pmMLU - SAN
1 stop7h 57mAmerican Airlines
Thu 12/252:23 pmSAN - MLU
1 stop5h 49mAmerican Airlines
Deal found 9/14$387
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 amMLU - SAN
1 stop6h 26mAmerican Airlines
Sat 11/1510:09 amSAN - MLU
2 stops10h 22mAmerican Airlines
Deal found 9/14$393
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:47 amMLU - SAN
1 stop6h 05mAmerican Airlines
Mon 9/296:20 amSAN - MLU
2 stops9h 34mAmerican Airlines
Deal found 9/14$434

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Monroe to San Diego that are best for you.

Fly from

Monroe

Fly to

San Diego

Route

Depart

Return

Price

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Tue 11/11

1:04 pm-9:13 pm

1 stop10h 09m

San Diego

Sat 11/15

6:15 am-5:11 pm

1 stop8h 56m

$278

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Wed 12/17

5:30 am-9:54 am

1 stop6h 24m

San Diego

Thu 12/25

7:14 am-5:32 pm

1 stop8h 18m

$278

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Tue 11/11

5:30 am-9:56 am

1 stop6h 26m

San Diego

Sat 11/15

10:09 am-10:31 pm

2 stops10h 22m

$312

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/11

5:53 pm-11:46 pm

1 stop7h 53m

San Diego

Sat 12/13

6:15 am-10:11 pm

2 stops13h 56m

$342

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/11

5:30 am-9:54 am

1 stop6h 24m

San Diego

Sat 12/13

10:47 am-5:52 pm

1 stop5h 05m

$358

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Thu 12/18

6:02 pm-9:56 pm

1 stop5h 54m

San Diego

Thu 12/25

7:14 am-5:32 pm

1 stop8h 18m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Monroe to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Monroe with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Monroe to San Diego

What is the cheapest month to book a flight from Monroe to San Diego?

Currently, August is the cheapest month in which you can book a flight from Monroe to San Diego (average of $286). Flying from Monroe to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown American Airlines from Monroe to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Oct 2024

MSY - DCA

On time flight. Cabin not cleaned prior to flight. Trash in seat pocket.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Oct 2024

MSY - DCA

On time flight. Cabin not cleaned prior to flight. Trash in seat pocket.

Related info for your journey

Find useful and relevant information for your journey from Monroe to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Monroe to San Diego?

    There are many flights that can get you from Monroe to San Diego in 6h 24m. Fly via Delta or American Airlines to get the fastest option. There are 1459 mi between Monroe and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Monroe to San Diego round-trip?

    Currently priced at $278, American Airlines will fly you from Monroe to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $278.

  • Can I find deals for flights from Monroe to San Diego that include hotel bookings?

    Yes. In addition to deals on Monroe to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Monroe to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Monroe to San Diego.

  • Can I find deals for business class flights from Monroe to San Diego?

    Yes. Cheapflights offers flight deals from Monroe to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Monroe to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Monroe to San Diego (average of $286). Flying from Monroe to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

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

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Top 2 airlines flying from Monroe to San Diego

Discover the top 2 airlines that operate flights from Monroe to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$465FlexibilityNo cancel feeOn-time71%
DeltaCheapest$278Average$422FlexibilityNo cancel feeOn-timeN/A

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