What is the cheapest airline to fly from Denver to San Salvador round-trip?

According to our current data, Frontier ($340), offers the cheapest pricing from Denver to San Salvador. This flight start at 40% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Denver to San Salvador one-way?

$164 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $213 and $1,848, respectively.

In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit San Salvador when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

What are the most popular airlines that fly from Denver to San Salvador?

American Airlines, Avianca and Copa Airlines are the most popular airlines when flying from Denver to San Salvador.

Where are the most common layover locations when flying from Denver to San Salvador?

Denver to San Salvador flights have a layover in Houston most often.

Where are the least popular layover locations for Denver to San Salvador flights?

Flights departing from Denver and landing in San Salvador layover in Dallas least frequently.

What are some popular things to do or see while on a layover in Houston?

Most Houston visitors opt to spend their time experiencing Space Center Houston, House of Blues Houston, and Revention Music Center. Space Center Houston, House of Blues Houston, and Revention Music Center are located about 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Those landing in Houston looking to spend some time exploring during their layover can rent a car for about $37 per day.

What is the cheapest day to fly round-trip from Denver to San Salvador?

Friday flights are found to be more expensive to fly from Denver to San Salvador. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Salvador.

How far in advance should I book a flight from Denver to San Salvador?

Users have found that booking a flight from Denver to San Salvador at least 39 days early can save you up to 66% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Denver to San Salvador for as little as $557 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 $773 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to San Salvador?

The best pricing can be found in the month of September. Prices to San Salvador from Denver average $569. You can even find prices in September for less than $569, as users have found deals to San Salvador from as low as $386. The month of December appears to be one of the more expensive times to travel to San Salvador from Denver. Flying in the targeted month can save you up to 48%.

Can I find deals for flights from Denver to San Salvador that include hotel bookings?

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

How can I find direct flights from Denver to San Salvador?

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

Can I find deals for business class flights from Denver to San Salvador?

Yes. Cheapflights offers flight deals from Denver to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$124+ Flights from Denver to San Salvador

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Find cheap flights from Denver to San Salvador with Cheapflights

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

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Cheapflights Tip: The best prices from Denver Intl to San Salvador El Salvador Intl are usually found in September or April, booked 76 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Denver to San Salvador

Round-trip from	$315 (Kiwi.com)
One-way from	$124 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$617

From Denver Intl to San Salvador El Salvador Intl

Search Deals

One-way flight from Denver Intl to San Salvador El Salvador Intl

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($85 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Denver to San Salvador

Cheapest flights from Denver to San Salvador
Explore the most affordable flight options available from Denver to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Thu 8/146:50 amDEN - SAL

1 stop9h 10mMultiple Airlines

Mon 8/258:00 amSAL - DEN

1 stop13h 49mMultiple Airlines

Deal found 6/30

$315

Wed 7/301:39 pmDEN - SAL

1 stop9h 06mFrontier

Wed 8/611:50 pmSAL - DEN

1 stop9h 12mFrontier

Deal found 6/30

$340

Best flights from Denver to San Salvador
Discover carefully curated flight deals from Denver to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Thu 8/146:50 amDEN - SAL

1 stop9h 10mMultiple Airlines

Mon 8/258:00 amSAL - DEN

1 stop13h 49mMultiple Airlines

Deal found 6/30

$315

Wed 7/301:39 pmDEN - SAL

1 stop9h 06mFrontier

Wed 8/611:50 pmSAL - DEN

1 stop9h 12mFrontier

Deal found 6/30

$340

Last-minute flights from Denver to San Salvador
Discover last-minute flight deals from Denver to San Salvador. Data last updated July 2, 2025 and is based on user searches.

Tue 7/812:59 amDEN - SAL

1 stop21h 46mFrontier

Wed 7/1611:50 pmSAL - DEN

1 stop21h 27mFrontier

Deal found 7/2

$365

Tue 7/87:45 amDEN - SAL

1 stop11h 50mAvianca

Tue 7/157:40 amSAL - DEN

1 stop7h 14mAvianca

Deal found 7/2

$616

Wed 7/910:29 pmDEN - SAL

2 stops22h 36mMultiple Airlines

Mon 7/1410:55 pmSAL - DEN

1 stop26h 20mMultiple Airlines

Deal found 7/2

$453

Thu 7/104:35 pmDEN - SAL

1 stop7h 23mUnited Airlines

Mon 7/141:25 pmSAL - DEN

1 stop17h 07mUnited Airlines

Deal found 7/2

$478

Fri 7/1112:59 amDEN - SAL

1 stop11h 05mDelta

Tue 8/121:52 pmSAL - DEN

1 stop9h 03mDelta

Deal found 6/30

$1,099

Sat 7/124:46 pmDEN - SAL

1 stop20h 09mAmerican Airlines

Tue 8/1212:36 pmSAL - DEN

2 stops19h 27mAmerican Airlines

Deal found 7/1

$490

Wed 7/301:39 pmDEN - SAL

1 stop9h 06mFrontier

Wed 8/611:50 pmSAL - DEN

1 stop9h 12mFrontier

Deal found 6/30

$340

Thu 8/146:50 amDEN - SAL

1 stop9h 10mMultiple Airlines

Mon 8/258:00 amSAL - DEN

1 stop13h 49mMultiple Airlines

Deal found 6/30

$315

One-way flights from Denver to San Salvador
Search for one-way flight options from Denver to San Salvador. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Thu 8/217:00 amDEN - SAL

1 stop9h 00mMultiple Airlines

Deal found 6/30

$124

Fri 8/11:39 pmDEN - SAL

1 stop9h 06mFrontier

Deal found 6/30

$164

Thu 8/145:32 pmDEN - SAL

2 stops19h 40mAmerican Airlines

Deal found 6/30

$213

Thu 8/218:28 pmDEN - SAL

2 stops15h 38mUnited Airlines

Deal found 7/1

$1,848

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Thu 8/14

6:50 am-4:00 pm

1 stop9h 10m

San Salvador El Salvador Intl

Mon 8/25

8:00 am-9:49 pm

1 stop13h 49m

$315

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Wed 7/30

1:39 pm-10:45 pm

1 stop9h 06m

San Salvador El Salvador Intl

Wed 8/6

11:50 pm-9:02 am

1 stop9h 12m

$340

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Thu 8/21

7:00 am-4:00 pm

1 stop9h 00m

$124

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Fri 8/1

1:39 pm-10:45 pm

1 stop9h 06m

$164

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Thu 8/14

5:32 pm-1:12 pm

2 stops19h 40m

$213

DenverSan Salvador

DEN - SAL

DENSAL

Denver Intl

Thu 8/21

8:28 pm-12:06 pm

2 stops15h 38m

$1,848

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Denver to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Denver 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 Denver to San Salvador

How far ahead should I book a flight from Denver to San Salvador?

The best time to book flights from Denver to San Salvador is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to San Salvador?

Currently, September is the cheapest month in which you can book a flight from Denver to San Salvador (average of $260). Flying from Denver to San Salvador in December is currently the most expensive (average of $588). 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 DEN to SAL?

A simple way to save on the total cost of your ticket is to fly from Denver to San Salvador in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Denver to San Salvador?

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

Reviews of airlines servicing San Salvador

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Frontier from Denver to San Salvador 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

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Frontier

5.9

Fair

3,290 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What is the cheapest airline to fly from Denver to San Salvador round-trip?
According to our current data, Frontier ($340), offers the cheapest pricing from Denver to San Salvador. This flight start at 40% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Denver to San Salvador one-way?
$164 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $213 and $1,848, respectively.
Where are the most common layover locations when flying from Denver to San Salvador?
Denver to San Salvador flights have a layover in Houston most often.
What are some popular things to do or see while on a layover in Houston?
Most Houston visitors opt to spend their time experiencing Space Center Houston, House of Blues Houston, and Revention Music Center. Space Center Houston, House of Blues Houston, and Revention Music Center are located about 33.5 mi, 16.1 mi, and 15.5 mi, respectively from Houston George Bush Intcntl. Those landing in Houston looking to spend some time exploring during their layover can rent a car for about $37 per day.
Where are the least popular layover locations for Denver to San Salvador flights?
Flights departing from Denver and landing in San Salvador layover in Dallas least frequently.
Can I find deals for flights from Denver to San Salvador that include hotel bookings?
Yes. In addition to deals on Denver to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to San Salvador?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to San Salvador.
Can I find deals for business class flights from Denver to San Salvador?
Yes. Cheapflights offers flight deals from Denver to San Salvador 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 Denver to San Salvador?
Currently, September is the cheapest month in which you can book a flight from Denver to San Salvador (average of $260). Flying from Denver to San Salvador in December is currently the most expensive (average of $588). 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

Sonsonate

La Libertad

El Cuco

Acajutla

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Top 5 airlines flying from Denver to San Salvador

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$81	Average$325	FlexibilityNo cancel fee	On-time62%
Avianca	Cheapest$268	Average$621	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$353	Average$530	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$373	Average$561	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$395	Average$631	FlexibilityNo cancel fee	On-time71%

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$124+ Cheap flights from Denver (DEN) to San Salvador (SAL)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to San Salvador 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 Denver Intl to San Salvador El Salvador Intl are usually found in September or April, booked 76 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Denver to San Salvador

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Denver to San Salvador

Cheapest flights from Denver to San SalvadorExplore the most affordable flight options available from Denver to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Denver to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Denver to San Salvador

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

Cheapflights Insights

Everything you need to know about your flight from Denver to San Salvador

How far ahead should I book a flight from Denver to San Salvador?

Use this chart to determine the optimal time to book a round-trip flight from Denver to San Salvador. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Denver to San Salvador?

What is the cheapest time of day to fly from DEN to SAL?

Find hourly flight availability from Denver to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

What is the cheapest day to fly from Denver to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Denver to San Salvador. Price data was last updated on December 16, 2024.

Reviews of airlines servicing San Salvador

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Frontier from Denver to San Salvador 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

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

What is the cheapest airline to fly from Denver to San Salvador round-trip?

What are the cheapest airlines to fly from Denver to San Salvador one-way?

Where are the most common layover locations when flying from Denver to San Salvador?

What are some popular things to do or see while on a layover in Houston?

Where are the least popular layover locations for Denver to San Salvador flights?

Can I find deals for flights from Denver to San Salvador that include hotel bookings?

How can I find direct flights from Denver to San Salvador?

Can I find deals for business class flights from Denver to San Salvador?

What is the cheapest month to book a flight from Denver to San Salvador?

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Top 5 airlines flying from Denver to San Salvador

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Cheapest flights from Denver to San Salvador
Explore the most affordable flight options available from Denver to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.