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

Currently priced at $291, American Airlines will fly you from Missoula to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $294 and $295, respectively. American Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Missoula to San Diego one-way?

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $138. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Missoula to San Diego for a low price.

What is the cheapest day to fly from Missoula to San Diego?

Travelers seeking maximum savings on their Missoula to San Diego flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Missoula to San Diego?

Consider Alaska Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Missoula to San Diego.

What is the cheapest day to fly round-trip from Missoula to San Diego?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 38% when planning your travel around this day of the week.

How far in advance should I book a flight from Missoula to San Diego?

Users have found that booking a flight from Missoula to San Diego at least 58 days early can save you up to 10% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Missoula to San Diego for as little as $206 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $628 for flights departing within the next 3 days.

What is the cheapest month to fly from Missoula to San Diego?

August can be a great time to fly to San Diego from Missoula with a flight ticket averaging about $401. Cheapflights users have found deals in the month of August for as cheap as $199. The most expensive prices can be found in the month of March.

Most accurate provider : When it comes to deals on Missoula-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Missoula-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 Missoula-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Missoula to San Diego?

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

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

Yes. Cheapflights offers flight deals from Missoula 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.

$76+ Flights from Missoula to San Diego

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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

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.

Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to San Diego are usually found in August or June, booked 57 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Missoula to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$193 (Mytrip)
One-way from	$76 (Mytrip)
Popular in	March
Cheapest in	August
Average price	$633

Provider with most accurate pricing for Missoula Johnson-Bell Field-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San Diego flights.

Search Deals

From Missoula Johnson-Bell Field to San Diego

Search Deals

One-way flight from Missoula Johnson-Bell Field to San Diego

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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Find flight deals from Missoula to San Diego

Cheapest flights from Missoula to San Diego
Explore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Mon 5/54:16 pmMSO - SAN

1 stop16h 18mMultiple Airlines

Thu 5/85:43 pmSAN - MSO

1 stop25h 33mMultiple Airlines

Deal found 3/23

$193

Wed 7/305:07 amMSO - SAN

1 stop9h 53mAmerican Airlines

Tue 8/1911:29 amSAN - MSO

1 stop10h 32mAmerican Airlines

Deal found 3/23

$291

Wed 7/305:50 amMSO - SAN

1 stop7h 57mDelta

Sat 8/165:10 pmSAN - MSO

1 stop5h 04mDelta

Deal found 3/23

$294

Mon 5/51:31 pmMSO - SAN

2 stops19h 44mAlaska Airlines

Fri 5/97:45 pmSAN - MSO

2 stops16h 06mAlaska Airlines

Deal found 3/24

$295

Thu 5/225:45 amMSO - SAN

1 stop6h 15mHawaiian Airlines

Sun 5/256:15 amSAN - MSO

1 stop7h 06mHawaiian Airlines

Deal found 3/24

$296

Best flights from Missoula to San Diego
Discover carefully curated flight deals from Missoula to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Mon 5/54:16 pmMSO - SAN

1 stop16h 18mMultiple Airlines

Fri 5/96:15 amSAN - MSO

1 stop13h 01mMultiple Airlines

Deal found 3/24

$193

Wed 7/305:07 amMSO - SAN

1 stop9h 53mAmerican Airlines

Tue 8/1911:29 amSAN - MSO

1 stop10h 32mAmerican Airlines

Deal found 3/23

$291

Wed 7/305:50 amMSO - SAN

1 stop7h 57mDelta

Sat 8/165:10 pmSAN - MSO

1 stop5h 04mDelta

Deal found 3/23

$294

Mon 5/51:31 pmMSO - SAN

2 stops19h 44mAlaska Airlines

Fri 5/97:45 pmSAN - MSO

2 stops16h 06mAlaska Airlines

Deal found 3/24

$295

Thu 5/225:45 amMSO - SAN

1 stop6h 15mHawaiian Airlines

Sun 5/256:15 amSAN - MSO

1 stop7h 06mHawaiian Airlines

Deal found 3/24

$296

Last-minute flights from Missoula to San Diego
Discover last-minute flight deals from Missoula to San Diego. Data last updated March 25, 2025 and is based on user searches.

Fri 4/189:06 pmMSO - SAN

1 stop14h 19mMultiple Airlines

Mon 4/218:29 amSAN - MSO

1 stop5h 57mMultiple Airlines

Deal found 3/23

$203

Fri 4/186:15 pmMSO - SAN

1 stop6h 28mDelta

Mon 4/215:17 pmSAN - MSO

1 stop6h 16mDelta

Deal found 3/24

$291

Fri 4/186:38 pmMSO - SAN

1 stop6h 21mAlaska Airlines

Mon 4/219:15 pmSAN - MSO

2 stops15h 43mAlaska Airlines

Deal found 3/24

$399

One-way flights from Missoula to San Diego
Search for one-way flight options from Missoula to San Diego. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Mon 5/54:16 pmMSO - SAN

1 stop9h 26mMultiple Airlines

Deal found 3/23

$76

Mon 5/51:31 pmMSO - SAN

2 stops19h 44mAlaska Airlines

Deal found 3/23

$138

Sat 6/285:30 amMSO - SAN

1 stop4h 11mDelta

Deal found 3/24

$149

Sat 4/122:04 pmMSO - SAN

1 stop7h 55mAmerican Airlines

Deal found 3/24

$206

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missoula to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Mon 5/5

4:16 pm-7:34 am

1 stop16h 18m

San Diego

Thu 5/8

5:43 pm-8:16 pm

1 stop25h 33m

$193

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Wed 7/30

5:07 am-2:00 pm

1 stop9h 53m

San Diego

Tue 8/19

11:29 am-11:01 pm

1 stop10h 32m

$291

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Wed 7/30

5:50 am-12:47 pm

1 stop7h 57m

San Diego

Sat 8/16

5:10 pm-11:14 pm

1 stop5h 04m

$294

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Mon 5/5

1:31 pm-8:15 am

2 stops19h 44m

San Diego

Fri 5/9

7:45 pm-12:51 pm

2 stops16h 06m

$295

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Thu 5/22

5:45 am-11:00 am

1 stop6h 15m

San Diego

Sun 5/25

6:15 am-2:21 pm

1 stop7h 06m

$296

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Mon 5/5

4:16 pm-12:42 am

1 stop9h 26m

$76

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Mon 5/5

1:31 pm-8:15 am

2 stops19h 44m

$138

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Sat 6/28

5:30 am-8:41 am

1 stop4h 11m

$149

MissoulaSan Diego

MSO - SAN

MSOSAN

Missoula Johnson-Bell Field

Sat 4/12

2:04 pm-8:59 pm

1 stop7h 55m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Compare providers for flights from Missoula to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to San Diego in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*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 Missoula-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Missoula-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 Missoula-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 Missoula to San Diego

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

How far ahead should I book a flight from Missoula to San Diego?

The price you pay for your flight from Missoula to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Missoula to San Diego (average of $286). Flying from Missoula 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.

What is the cheapest time of day to fly from MSO to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missoula to San Diego as you normally would.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines

7.9

Good

2,330 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What are the cheapest airlines flying from Missoula to San Diego round-trip?
Currently priced at $291, American Airlines will fly you from Missoula to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $294 and $295, respectively. American Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Missoula to San Diego one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $138. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Missoula to San Diego for a low price.
Can I find deals for flights from Missoula to San Diego that include hotel bookings?
Yes. In addition to deals on Missoula to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missoula to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to San Diego.
Can I find deals for business class flights from Missoula to San Diego?
Yes. Cheapflights offers flight deals from Missoula 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 Missoula to San Diego?
Currently, August is the cheapest month in which you can book a flight from Missoula to San Diego (average of $286). Flying from Missoula 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

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Other flights to San Diego

Top 4 airlines flying from Missoula to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$108	Average$206	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$296	Average$450	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$296	Average$386	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$296	Average$377	FlexibilityNo cancel fee	On-timeN/A

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$76+ Cheap flights from Missoula to San Diego (MSO - 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missoula to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to San Diego are usually found in August or June, booked 57 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Missoula to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missoula to San Diego

Cheapest flights from Missoula to San DiegoExplore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missoula to San Diego that are best for you.

Compare providers for flights from Missoula 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 Missoula to San Diego in March.

Best time to book a flight from Missoula to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Missoula with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Missoula to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Missoula to San Diego. Price data was last updated on March 21, 2025.

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

What is the cheapest time of day to fly from MSO to SAN?

Find hourly flight availability from Missoula to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Related info for your journey

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

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

What are the cheapest airlines to fly from Missoula to San Diego one-way?

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

How can I find direct flights from Missoula to San Diego?

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

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

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Top 4 airlines flying from Missoula to San Diego

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Cheapest flights from Missoula to San Diego
Explore the most affordable flight options available from Missoula to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.