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$309+ Cheap flights from Key West to San Diego (EYW - 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAN
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Key West to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) 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 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$553
Provider with most accurate pricing for Key West-San Diego flight deals.
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Provider most trusted by Cheapflights users for Key West-San Diego flights.
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From Key West to San Diego
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High demand for flights, 10% potential price rise
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Best time to find cheap flights, 5% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Key West to San Diego

Cheapest flights from Key West to San Diego
Explore the most affordable flight options available from Key West to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This United Airlines deal was found by Cheapflights users on 1/15. 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 1/3112:25 pmEYW - SAN
1 stop11h 27mUnited Airlines
Tue 2/49:30 pmSAN - EYW
1 stop11h 09mUnited Airlines
Deal found 1/15$309
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Fri 1/314:00 pmEYW - SAN
2 stops9h 24mAmerican Airlines
Tue 2/46:33 amSAN - EYW
2 stops9h 18mAmerican Airlines
Deal found 1/15$359
This Mytrip deal was found by Cheapflights users on 1/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:53 amEYW - SAN
2 stops25h 35mMultiple Airlines
Sun 5/2512:37 pmSAN - EYW
3 stops25h 04mMultiple Airlines
Deal found 1/15$604
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:52 pmEYW - SAN
3 stops21h 36mAlaska Airlines
Tue 5/276:15 amSAN - EYW
2 stops28h 24mAlaska Airlines
Deal found 1/16$945

Find flights from Key West to San Diego within your budget

Customize your flight search to find flights from Key West 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 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Fri 1/31

12:25 pm-8:52 pm

1 stop11h 27m

San Diego

Tue 2/4

9:30 pm-11:39 am

1 stop11h 09m

$309

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Fri 1/31

4:00 pm-10:24 pm

2 stops9h 24m

San Diego

Tue 2/4

6:33 am-6:51 pm

2 stops9h 18m

$359

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sun 5/11

8:53 am-7:28 am

2 stops25h 35m

San Diego

Sun 5/25

12:37 pm-4:41 pm

3 stops25h 04m

$604

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Tue 5/13

2:52 pm-9:28 am

3 stops21h 36m

San Diego

Tue 5/27

6:15 am-1:39 pm

2 stops28h 24m

$945

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sun 1/26

7:40 pm-8:52 pm

2 stops28h 12m

$435

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sun 1/26

4:00 pm-10:47 pm

1 stop9h 47m

$760

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sun 1/26

12:20 pm-9:30 am

3 stops24h 10m

$1,988

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Key West 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 Key West to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Key West-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-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 Key West-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 Key West to San Diego

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

Travel insights for flights from Key West to San Diego

Get recent, data-driven insights about flights from Key West to San Diego including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Key West 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 January 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from Key West to San Diego by exploring options for tickets in the afternoon.

Rainfall in San Diego by month

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

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

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 16, 2025.
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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
9,681 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Key West 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 Key West to San Diego round-trip?

    According to our current data, United Airlines ($309), American Airlines ($359), and Alaska Airlines ($945) offers the cheapest pricing from Key West to San Diego. You may be able to fly from Key West to San Diego for 29% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Key West to San Diego one-way?

    The cheapest airlines for a one-way flight from Key West to San Diego are United Airlines ($435), American Airlines ($760), and Alaska Airlines ($1,988).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key West 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 Key West to San Diego?

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

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top airline flying from Key West to San Diego

Discover the top airline that operate flights from Key West 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$261Average$366FlexibilityNo cancel feeOn-time71%
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