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$354+ Cheap flights from Pierre to San Diego (PIR - 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
PIR — SAN
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Pierre to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Pierre (PIR) 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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(United Airlines)
Provider with most accurate pricing for Pierre-San Diego flight deals.
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Provider most trusted by Cheapflights users for Pierre-San Diego flights.
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From Pierre to San Diego
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Cheapest flights from Pierre to San Diego
Explore the most affordable flight options available from Pierre to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 1/276:15 amPIR - SAN
1 stop5h 05mUnited Airlines
Sat 1/319:00 amSAN - PIR
1 stop5h 15mUnited Airlines
Deal found 1/6$354
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:15 pmPIR - SAN
1 stop6h 07mUnited Airlines
Fri 4/108:39 pmSAN - PIR
2 stops17h 41mUnited Airlines
Deal found 1/7$468
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:15 amPIR - SAN
1 stop10h 42mUnited Airlines
Thu 4/94:09 pmSAN - PIR
1 stop22h 11mUnited Airlines
Deal found 1/7$586
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:15 amPIR - SAN
1 stop10h 42mUnited Airlines
Fri 4/1011:00 amSAN - PIR
2 stops10h 41mUnited Airlines
Deal found 1/7$610

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre 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 8, 2026.
Use the filters below to find and compare flights from Pierre to San Diego that are best for you.

Fly from

Pierre

Fly to

San Diego

Route

Depart

Return

Price

PierreSan Diego

PIR - SAN

PIRSAN

Pierre

Tue 1/27

6:15 am-9:20 am

1 stop5h 05m

San Diego

Sat 1/31

4:10 pm-11:15 pm

1 stop5h 05m

$354

PierreSan Diego

PIR - SAN

PIRSAN

Pierre

Mon 4/6

5:15 pm-9:22 pm

1 stop6h 07m

San Diego

Fri 4/10

8:39 pm-4:20 pm

2 stops17h 41m

$468

PierreSan Diego

PIR - SAN

PIRSAN

Pierre

Tue 4/7

6:15 am-2:57 pm

1 stop10h 42m

San Diego

Thu 4/9

4:09 pm-4:20 pm

1 stop22h 11m

$586

PierreSan Diego

PIR - SAN

PIRSAN

Pierre

Tue 4/7

6:15 am-2:57 pm

1 stop10h 42m

San Diego

Fri 4/10

12:40 pm-4:20 pm

1 stop25h 40m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Compare providers for flights from Pierre 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 Pierre to San Diego in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Pierre-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pierre-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pierre-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pierre-San Diego flights, Cheapflights users trust eDreams the most. eDreams 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 Pierre-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 Pierre to San Diego

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

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 8, 2026.
Read through reviews of airlines operating flights from Pierre to San Diego, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,139 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

    United Airlines can get you from Pierre to San Diego in just under 5h 05m. Your travel time can differ by up to . There are 1212 mi between Pierre and San Diego.

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

    Our cheapest airline available from Pierre to San Diego is United Airlines. Our recent data shows that you can find tickets from as low as $284 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pierre 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.

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
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Poway
Julian
Lemon Grove

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Top airline flying from Pierre to San Diego

Discover the top airline that operate flights from Pierre 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$443FlexibilityNo cancel feeOn-time69%

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