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$230+ Cheap flights from Montrose to San Diego (MTJ - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — SAN
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Montrose to San Diego

Cheapest flights from Montrose to San Diego
Explore the most affordable flight options available from Montrose to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:42 pm
MTJ
-
SAN
1 stop4h 36m
United Airlines
Sun 9/136:30 am
SAN
-
MTJ
1 stop6h 57m
United Airlines
Deal found 7/20$331
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:24 pm
MTJ
-
SAN
1 stop6h 10m
United Airlines
Sun 9/206:15 am
SAN
-
MTJ
2 stops7h 12m
United Airlines
Deal found 7/23$341
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/262:21 pm
MTJ
-
SAN
2 stops19h 29m
American Airlines
Mon 8/314:22 pm
SAN
-
MTJ
2 stops20h 08m
American Airlines
Deal found 7/22$350
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:30 am
MTJ
-
SAN
1 stop6h 26m
United Airlines
Sat 11/1412:39 pm
SAN
-
MTJ
1 stop6h 31m
United Airlines
Deal found 7/21$383
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:24 pm
MTJ
-
SAN
1 stop6h 10m
United Airlines
Mon 8/318:45 am
SAN
-
MTJ
1 stop4h 42m
United Airlines
Deal found 7/25$389

Find flight deals from Montrose to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Montrose (MTJ) 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 July 25, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$331
(United Airlines)

One-way from

$230
(United Airlines)

Popular in

September

Cheapest in

May

Average price

$583
Provider with most accurate pricing for Montrose County-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montrose County-San Diego flights.
Search Deals
From Montrose County to San Diego
Search Deals
One-way flight from Montrose County to San Diego
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montrose 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 July 25, 2026.
Use the filters below to find and compare flights from Montrose to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontroseSan Diego

MTJ - SAN

MTJSAN

Montrose County

Fri 9/11

1:42 pm-5:18 pm

1 stop4h 36m

San Diego

Sun 9/13

6:30 am-2:27 pm

1 stop6h 57m

$331
Quickest round-trip

MontroseSan Diego

MTJ - SAN

MTJSAN

Montrose County

Wed 8/26

1:42 pm-5:00 pm

1 stop4h 18m

San Diego

Mon 8/31

8:45 am-2:27 pm

1 stop4h 42m

$383

MontroseSan Diego

MTJ - SAN

MTJSAN

Montrose County

Wed 11/11

7:15 am-12:56 pm

1 stop6h 41m

San Diego

Sat 11/14

12:39 pm-8:30 pm

1 stop6h 51m

$383
Cheapest one-way
Quickest one-way

MontroseSan Diego

MTJ - SAN

MTJSAN

Montrose County

Thu 7/30

3:25 pm-8:46 pm

1 stop6h 21m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Montrose-San Diego flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Montrose-San Diego flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Montrose-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montrose-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 Montrose-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 Montrose to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Montrose 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 Montrose to San Diego

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

Currently, May is the cheapest month in which you can book a flight from Montrose to San Diego (average of $211). Flying from Montrose to San Diego in September is currently the most expensive (average of $804). 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 July 25, 2026.
Peruse reviews from past customers who have flown with United Airlines from Montrose to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,036 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
10,036 reviews
United Airlines
7.4
Good
10,036 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

Find useful and relevant information for your journey from Montrose 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 Montrose to San Diego?

    United Airlines can get you from Montrose to San Diego in just under 4h 36m. Your travel time can differ by up to . There are 656 mi between Montrose and San Diego.

  • What is the cheapest airline to fly from Montrose to San Diego round-trip?

    United Airlines, at $210, was found to be the cheapest airline from Montrose to San Diego.. United Airlines is currently priced 50% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montrose 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 Montrose to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Montrose to San Diego (average of $211). Flying from Montrose to San Diego in September is currently the most expensive (average of $804). 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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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Top airline flying from Montrose to San Diego

Discover the top airline that operate flights from Montrose 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$210Average$319FlexibilityNo cancel feeOn-time69%

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