$348+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SAN
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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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
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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
Best
Last-minute
Cheapest flights from Monroe to San DiegoExplore 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 9, 2026.
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 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 11/1010:08 am -
1 stop7h 33m
Sat 11/143:13 pm -
1 stop5h 52m
Deal found 9/4![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/231:44 pm -
1 stop7h 07m
Sun 9/278:00 am -
1 stop8h 14m
Deal found 9/9![American Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/86:48 pm -
1 stop6h 50m
Sun 10/118:00 am -
1 stop8h 18m
Deal found 9/9![American Airlines logo]()
$901
Best flights from Monroe to San DiegoDiscover carefully curated flight deals from Monroe to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Monroe to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/106:00 am -
1 stop6h 18m
Sat 11/148:00 am -
1 stop8h 07m
Deal found 9/7![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/211:48 pm -
1 stop6h 05m
Sat 10/248:00 am -
1 stop8h 18m
Deal found 9/4![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/8. 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 2/231:48 pm -
1 stop6h 07m
Sat 2/2712:32 pm -
1 stop8h 05m
Deal found 9/8![American Airlines logo]()
$348
Last-minute flights from Monroe to San DiegoDiscover last-minute flight deals from Monroe to San Diego. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to San Diego. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/231:44 pm -
1 stop7h 07m
Sun 9/278:00 am -
1 stop8h 14m
Deal found 9/9![American Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/86:48 pm -
1 stop6h 50m
Sun 10/118:00 am -
1 stop8h 18m
Deal found 9/9![American Airlines logo]()
$901
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/211:48 pm -
1 stop6h 05m
Sat 10/248:00 am -
1 stop8h 18m
Deal found 9/4![American Airlines logo]()
$348
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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (American Airlines) |
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 7,457,451 searches. Data last updated September 9, 2026.
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
Cheapest round-trip
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Tue 11/10
6:00 am-10:18 am
1 stop6h 18m
San Diego
Sat 11/14
8:00 am-6:07 pm
1 stop8h 07m
$348
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Wed 10/21
1:48 pm-5:53 pm
1 stop6h 05m
San Diego
Sat 10/24
8:00 am-6:18 pm
1 stop8h 18m
$348
Quickest round-trip
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Tue 2/23
1:48 pm-5:55 pm
1 stop6h 07m
San Diego
Sat 2/27
12:32 pm-10:37 pm
1 stop8h 05m
$348
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
MLU-SAN
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.
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 9, 2026.
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.
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
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.
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Monroe and San Diego flights
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Top airline flying from Monroe to San Diego
Discover the top airline 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$542 | FlexibilityNo cancel fee | On-time71% |