What is the cheapest airline to fly from Hayden, Colorado to San Diego round-trip?

Currently priced at $269, United Airlines will fly you from Hayden, Colorado to San Diego and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Hayden, Colorado to San Diego for 37% less than the average price by searching for this airline.

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.

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).

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

When flying from Hayden, Colorado to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Hayden 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.

Find Cheap Flights from Hayden, CO to San Diego

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Find flight deals from Hayden to San Diego

Popular in	November
Cheapest in	June
Average price	$440

Highest demand for flights based on searches. 18% potential increase in price ($99 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in August 2026

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Best time to book a flight from Hayden to San Diego

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

HDN-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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Hayden, Colorado to San Diego?

Currently, June is the cheapest month in which you can book a flight from Hayden, Colorado to San Diego (average of $270). Flying from Hayden, Colorado to San Diego in November is currently the most expensive (average of $678). 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

Peruse reviews from past customers who have flown with United Airlines from Hayden 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

10,059 reviews

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

10,059 reviews

United Airlines

7.4

Good

10,059 reviews

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

What is the cheapest airline to fly from Hayden, Colorado to San Diego round-trip?
Currently priced at $269, United Airlines will fly you from Hayden, Colorado to San Diego and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Hayden, Colorado to San Diego for 37% less than the average price by searching for this airline.
Can I find deals for flights from Hayden to San Diego that include hotel bookings?
Yes. In addition to deals on Hayden to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hayden to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hayden to San Diego.
Can I find deals for business class flights from Hayden to San Diego?
Yes. Cheapflights offers flight deals from Hayden 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 Hayden, Colorado to San Diego?
Currently, June is the cheapest month in which you can book a flight from Hayden, Colorado to San Diego (average of $270). Flying from Hayden, Colorado to San Diego in November is currently the most expensive (average of $678). 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.

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Top airline flying from Hayden to San Diego

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$269	Average$320	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Hayden, CO to San Diego (HDN - SAN)

Find cheap flights from Hayden to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Hayden to San Diego

Popular in

Cheapest in

Average price

Best time to book a flight from Hayden to San Diego

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

Cheapflights Insights

What is the cheapest month to book a flight from Hayden, Colorado to San Diego?

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with United Airlines from Hayden 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.

Related info for your journey

What is the cheapest airline to fly from Hayden, Colorado to San Diego round-trip?

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

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

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

What is the cheapest month to book a flight from Hayden, Colorado to San Diego?

Traveling to a place near San Diego?

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Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Hayden to San Diego by cabin class

Find flights from Hayden to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hayden and San Diego flights

Browse other Hayden and San Diego flight options. Last updated on August 4, 2026.

Other flights from Hayden

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Other flights to San Diego

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