What is the cheapest airline that flies from Greenville to San Diego?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Greenville to San Diego

What airlines fly to San Diego?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Diego from Greenville according to our data. American Airlines is the first choice among our users, with 81% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Greenville Airport to San Diego Airport?

Prices for flights from Greenville Airport to San Diego Airport were last updated today.

How many operators does momondo search for flights from Greenville Airport to San Diego Airport?

There are 4 operators available for flights from Greenville Airport to San Diego Airport as of July 2025.

How old do you have to be to fly from Greenville Airport to San Diego Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greenville Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$101 Cheap Flights from Greenville to San Diego in 2025

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Find the cheapest flights from Greenville to San Diego

Round-trip

One-way

Last minute

Cheap round-trip flights

3:25 pm - 9:45 pmGSP-SAN

9h 20m1 stop

6:25 am - 7:55 pmSAN-GSP

10h 30m1 stop

$201Southwest

Find Deal

Tue, Sep 9 - Wed, Sep 10

10:25 am - 6:25 pmGSP-SAN

11h 00m2 stops

6:25 am - 7:55 pmSAN-GSP

10h 30m1 stop

$206Southwest

Find Deal

Tue, Sep 9 - Wed, Sep 10

6:00 am - 10:54 amGSP-SAN

7h 54m1 stop

7:13 am - 4:56 pmSAN-GSP

6h 43m1 stop

$231American Airlines

Find Deal

Thu, Sep 11 - Sun, Sep 14

8:16 pm - 12:11 amGSP-SAN

6h 55m1 stop

6:15 am - 4:35 pmSAN-GSP

7h 20m1 stop

$234American Airlines

Find Deal

Thu, Aug 28 - Sun, Aug 31

4:05 pm - 9:55 amGSP-SAN

20h 50m2 stops

7:00 pm - 8:51 pmSAN-GSP

22h 51m3 stops

$295

Find Deal

Fri, Aug 1 - Tue, Aug 5

4:27 pm - 8:25 pmGSP-SAN

6h 58m1 stop

10:55 am - 9:07 pmSAN-GSP

7h 12m1 stop

$297Delta

Find Deal

Mon, Sep 22 - Tue, Sep 30

4:05 pm - 5:55 pmGSP-SAN

28h 50m3 stops

3:57 pm - 8:51 pmSAN-GSP

25h 54m3 stops

$310

Find Deal

Fri, Aug 1 - Tue, Aug 5

4:27 pm - 8:25 pmGSP-SAN

6h 58m1 stop

3:35 pm - 9:13 amSAN-GSP

14h 38m2 stops

$327Delta

Find Deal

Mon, Sep 22 - Sat, Sep 27

6:08 am - 3:50 pmGSP-SAN

12h 42m2 stops

12:00 pm - 10:39 pmSAN-GSP

7h 39m1 stop

$366United Airlines

Find Deal

Tue, Sep 23 - Tue, Sep 30

9:35 am - 5:29 pmGSP-SAN

10h 54m2 stops

12:00 pm - 10:39 pmSAN-GSP

7h 39m1 stop

$370United Airlines

Find Deal

Tue, Sep 23 - Tue, Sep 30

American Airlines flights from Greenville to San Diego

Our best American Airlines deals on Greenville to San Diego flight tickets

American Airlines

Sep 11

GSP6:00 amGreenville

7h 54m

1 stop

SAN10:54 amSan Diego

Sep 14

SAN7:13 amSan Diego

6h 43m

1 stop

GSP4:56 pmGreenville

$231

Find similar

American Airlines

Aug 28

GSP8:16 pmGreenville

6h 55m

1 stop

SAN12:11 amSan Diego

Aug 31

SAN6:15 amSan Diego

7h 20m

1 stop

GSP4:35 pmGreenville

$234

Find similar

American Airlines

Sep 13

GSP3:31 pmGreenville

7h 20m

1 stop

SAN7:51 pmSan Diego

Sep 18

SAN10:17 amSan Diego

9h 08m

1 stop

GSP10:25 pmGreenville

$250

Find similar

United Airlines flights from Greenville to San Diego

Our best United Airlines deals on Greenville to San Diego flight tickets

United Airlines

Sep 23

GSP6:08 amGreenville

12h 42m

2 stops

SAN3:50 pmSan Diego

Sep 30

SAN12:00 pmSan Diego

7h 39m

1 stop

GSP10:39 pmGreenville

$366

Find similar

United Airlines

Sep 23

GSP9:35 amGreenville

10h 54m

2 stops

SAN5:29 pmSan Diego

Sep 30

SAN12:00 pmSan Diego

7h 39m

1 stop

GSP10:39 pmGreenville

$370

Find similar

United Airlines

Sep 23

GSP8:00 amGreenville

12h 29m

2 stops

SAN5:29 pmSan Diego

Sep 30

SAN6:15 amSan Diego

13h 24m

2 stops

GSP10:39 pmGreenville

$371

Find similar

How to get the cheapest flight ticket from Greenville to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of July, then departing from Greenville during the month February is also very affordable. Most momondo users find prices during this month for around $388.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Greenville to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $487. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $566. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $460. Flights at noon are often more expensive with an average ticket price of $509.

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

You are more likely to see cheaper flights to San Diego from Greenville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Greenville for as low as $324 on momondo.

How have Greenville to San Diego flight prices changed over time?

As of July 2025, prices for Greenville to San Diego flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Greenville to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Greenville to San Diego (GSP to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to San Diego

Best Price Found	$101
Fastest flight time	6h 20m
Direct flights	None
Airports in San Diego	1 airport

The best one-way flight to San Diego from Greenville in the past 72 hours is $101. The best round-trip flight deal from Greenville to San Diego found on momondo in the last 72 hours is $201.

The fastest flight from Greenville to San Diego takes 6h 20m

There are no direct flights from Greenville to San Diego. Popular non-direct route for this connection is Greenville Airport - San Diego Airport.

There is 1 airport near San Diego: San Diego (SAN)

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How far is Greenville to San Diego by plane?
A flight from Greenville to San Diego will travel around 1990.4 mi. By plane, this route typically takes 6h 20m.
When did momondo last update prices for flights from Greenville Airport to San Diego Airport?
Prices for flights from Greenville Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from Greenville Airport to San Diego Airport?
There are 4 operators available for flights from Greenville Airport to San Diego Airport as of July 2025.
How old do you have to be to fly from Greenville Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greenville Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Greenville to San Diego?
momondo data reveals that the most frequently booked airline on the route from Greenville to San Diego is American Airlines, representing 67% of all bookings. The subsequent popular airlines are Delta at 18%, United Airlines at 8%, and Southwest at 8%.

Best airlines flying from Greenville to San Diego

Compare and see reviews for airlines that fly from Greenville to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $224	Free Cancellation	Rating 8.0 7,951 reviews	Search Delta flights
American Airlines	PriceFrom $321	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $350	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights
United Airlines	PriceFrom $373	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights

Coronado

El Cajon

Chula Vista

Julian

National City

La Mesa

Imperial Beach

San Ysidro

Poway

Borrego Springs

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to San Diego?

Finding the right flight to San Diego from Greenville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Greenville to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Greenville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Greenville to San Diego?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Greenville.

I’m not ready to book a flight from Greenville to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Greenville and alert you when they change.

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Cheap flights from Greenville to San Diego from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greenville to San Diego departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Greenville to San Diego

Cheap round-trip flights

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Cheap last minute flights

American Airlines flights from Greenville to San Diego

Our best American Airlines deals on Greenville to San Diego flight tickets

United Airlines flights from Greenville to San Diego

Our best United Airlines deals on Greenville to San Diego flight tickets

See travel insights to San Diego from

How to get the cheapest flight ticket from Greenville to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of July, then departing from Greenville during the month February is also very affordable. Most momondo users find prices during this month for around $388.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $460. Flights at noon are often more expensive with an average ticket price of $509.

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

How have Greenville to San Diego flight prices changed over time?

As of July 2025, prices for Greenville to San Diego flights are approximately 29% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Greenville to San Diego?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Greenville to San Diego

What airlines fly to San Diego?

When to book flights from Greenville to San Diego

Cheap Greenville to San Diego (GSP to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to San Diego

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Greenville to San Diego by plane?

When did momondo last update prices for flights from Greenville Airport to San Diego Airport?

How many operators does momondo search for flights from Greenville Airport to San Diego Airport?

How old do you have to be to fly from Greenville Airport to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular airline from Greenville to San Diego?

Best airlines flying from Greenville to San Diego

Compare and see reviews for airlines that fly from Greenville to San Diego with momondo

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from Greenville to San Diego?

Can I find flights from Greenville to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from Greenville to San Diego?

I’m not ready to book a flight from Greenville to San Diego right now. Can momondo alert me if prices change?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California