HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$289+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SAN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Monroe to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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.
Fri 3/65:24 pm
MLU
-
SAN
1 stop7h 24m
Delta
Tue 3/1011:08 am
SAN
-
MLU
1 stop9h 10m
Delta
Deal found 1/20$289
This American Airlines deal was found by Cheapflights users on 1/18. 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 3/66:26 pm
MLU
-
SAN
1 stop5h 57m
American Airlines
Tue 3/106:24 am
SAN
-
MLU
2 stops9h 32m
American Airlines
Deal found 1/18$402

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$289
(Delta)
Provider with most accurate pricing for Monroe Huenefeld-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Monroe Huenefeld-San Diego flights.
Search Deals
From Monroe Huenefeld to San Diego
Search Deals

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 January 21, 2026.
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

Fri 3/6

5:24 pm-10:48 pm

1 stop7h 24m

San Diego

Tue 3/10

11:08 am-10:18 pm

1 stop9h 10m

$289

MonroeSan Diego

MLU - SAN

MLUSAN

Monroe Huenefeld

Fri 3/6

6:26 pm-10:23 pm

1 stop5h 57m

San Diego

Tue 3/10

6:24 am-5:56 pm

2 stops9h 32m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Compare providers for flights from Monroe to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Monroe to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Monroe-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monroe-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monroe-San Diego flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Monroe-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, April is the cheapest month in which you can book a flight from Monroe to San Diego (average of $173). Flying from Monroe to San Diego in October is currently the most expensive (average of $341). 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 January 21, 2026.
Read reviews from past customers who have flown Delta and 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.
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 5h 57m. 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, April is the cheapest month in which you can book a flight from Monroe to San Diego (average of $173). Flying from Monroe to San Diego in October is currently the most expensive (average of $341). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Monroe to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
New Orleans to Las Vegas flights
New Orleans to Los Angeles flights
New Orleans to San Francisco flights
New Orleans to San Diego flights
New Orleans to Ontario flights
Lafayette to Las Vegas flights
Baton Rouge to Las Vegas flights
Baton Rouge to Los Angeles flights
Shreveport to Las Vegas flights
New Orleans to Palm Springs flights
Monroe to Las Vegas flights
New Orleans to Santa Ana flights
New Orleans to Reno flights
Shreveport to Los Angeles flights
Shreveport to San Francisco flights
Lake Charles to Las Vegas flights
New Orleans to Burbank flights
Lafayette to Los Angeles flights
New Orleans to San Jose flights
New Orleans to Oakland flights
Shreveport to Ontario flights
Baton Rouge to Ontario flights
Lafayette to Santa Ana flights
New Orleans to Sacramento flights
New Orleans to Fresno flights
Shreveport to San Diego flights
Alexandria to Las Vegas flights
Baton Rouge to Santa Ana flights
Baton Rouge to San Francisco flights
Lafayette to San Francisco flights
Baton Rouge to Sacramento flights
New Orleans to Santa Barbara flights
Baton Rouge to Fresno flights
Baton Rouge to San Diego flights
Lafayette to San Diego flights
Lafayette to Reno flights
Monroe to Los Angeles flights
New Orleans to Monterey flights
Shreveport to Santa Ana flights
Lake Charles to Los Angeles flights
Lafayette to Ontario flights
New Orleans to Long Beach flights
Lafayette to Sacramento flights
New Orleans to San Luis Obispo flights
Lake Charles to Santa Ana flights
Monroe to San Francisco flights
Shreveport to San Jose flights
Baton Rouge to San Jose flights
New Orleans to Medford flights
Lake Charles to San Francisco flights

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$495FlexibilityNo cancel feeOn-time71%
DeltaCheapest$278Average$408FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.