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$113+ Cheap flights from Dulles Intl (IAD) 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl are usually found in September or October, booked 63 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to San Salvador

Cheapest flights from Dulles Intl to San Salvador
Explore the most affordable flight options available from Dulles Intl to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:01 pmIAD - SAL
2 stops20h 46mMultiple Airlines
Wed 1/145:51 pmSAL - IAD
Nonstop4h 07mMultiple Airlines
Deal found 12/16$260
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/314:29 pmIAD - SAL
2 stops23h 11mAmerican Airlines
Sat 1/313:21 pmSAL - IAD
2 stops18h 37mAmerican Airlines
Deal found 12/17$289
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:01 pmIAD - SAL
2 stops20h 46mMultiple Airlines
Thu 1/85:46 pmSAL - IAD
Nonstop4h 13mMultiple Airlines
Deal found 12/15$292
This Copa Airlines deal was found by Cheapflights users on 12/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:25 amIAD - SAL
1 stop16h 10mCopa Airlines
Wed 12/242:01 pmSAL - IAD
1 stop12h 21mCopa Airlines
Deal found 12/15$298
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:58 pmIAD - SAL
2 stops14h 58mFrontier
Mon 1/127:21 pmSAL - IAD
2 stops15h 22mFrontier
Deal found 12/16$299
This Gurufare deal was found by Cheapflights users on 12/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:37 pmIAD - SAL
1 stop19h 19mFrontier
Sat 1/175:51 pmSAL - IAD
Nonstop4h 07mFrontier
Deal found 12/16$304
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 pmIAD - SAL
Nonstop4h 40mMultiple Airlines
Sat 1/311:36 pmSAL - IAD
1 stop17h 57mMultiple Airlines
Deal found 12/17$305
This Copa Airlines deal was found by Cheapflights users on 12/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:25 amIAD - SAL
1 stop16h 10mCopa Airlines
Tue 1/138:36 amSAL - IAD
1 stop17h 37mCopa Airlines
Deal found 12/15$306
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:58 pmIAD - SAL
2 stops17h 49mMultiple Airlines
Sat 2/710:05 pmSAL - IAD
Nonstop4h 05mMultiple Airlines
Deal found 12/17$308
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:35 pmIAD - SAL
2 stops25h 12mMultiple Airlines
Fri 12/265:46 pmSAL - IAD
Nonstop4h 13mMultiple Airlines
Deal found 12/16$312

Find flight deals from Dulles Intl to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Salvador (SAL). 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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$236
(Kiwi.com)

One-way from

$113
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$619

Good round-trip deal

$295 or less

Good one-way deal

$196 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Salvador El Salvador Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to San Salvador 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Salvador that are best for you.

Fly from

Dulles Intl

Fly to

San Salvador

Route

Depart

Return

Price

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 2/8

6:00 am-1:10 pm

1 stop8h 10m

San Salvador El Salvador Intl

Sat 2/14

2:35 pm-12:24 am

1 stop8h 49m

$260

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 2/4

6:00 am-1:10 pm

1 stop8h 10m

San Salvador El Salvador Intl

Wed 2/18

2:35 pm-12:24 am

1 stop8h 49m

$281

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 2/24

8:15 am-3:24 pm

1 stop8h 09m

San Salvador El Salvador Intl

Wed 3/4

6:55 am-10:16 pm

1 stop14h 21m

$296

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 1/3

10:15 pm-12:36 am

1 stop27h 21m

San Salvador El Salvador Intl

Fri 1/23

4:40 pm-11:23 am

1 stop17h 43m

$303

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Thu 1/22

3:25 pm-11:36 pm

1 stop9h 11m

San Salvador El Salvador Intl

Thu 1/29

2:04 pm-3:13 am

1 stop12h 09m

$333

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 2/21

8:29 am-8:39 pm

1 stop13h 10m

San Salvador El Salvador Intl

Sun 3/8

8:35 am-4:15 am

1 stop17h 40m

$333

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 1/28

1:12 am-12:41 pm

1 stop12h 29m

San Salvador El Salvador Intl

Wed 2/4

1:45 pm-11:32 pm

1 stop8h 47m

$333

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 2/14

8:29 am-11:37 pm

1 stop16h 08m

San Salvador El Salvador Intl

Tue 2/17

1:45 pm-3:15 am

1 stop12h 30m

$333

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 2/10

1:18 am-12:43 pm

1 stop12h 25m

San Salvador El Salvador Intl

Mon 2/23

1:45 pm-3:15 am

1 stop12h 30m

$333

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 2/7

3:35 pm-11:37 pm

1 stop9h 02m

San Salvador El Salvador Intl

Sun 2/22

1:45 pm-3:15 am

1 stop12h 30m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 22 results
1
2
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Compare providers for flights from Dulles Intl to San Salvador

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 Dulles Intl to San Salvador in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Washington, D.C. Dulles Intl Airport-San Salvador flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Salvador flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Salvador flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-San Salvador flights, Cheapflights users trust CheapOair the most. CheapOair 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 Washington, D.C. Dulles Intl Airport-San Salvador 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 Dulles Intl to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to San Salvador

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Salvador. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to San Salvador, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Salvador?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $113). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in July is currently the most expensive (average of $243). 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 IAD to SAL?

Find hourly flight availability from Dulles Intl 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 December 18, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to San Salvador at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to San Salvador?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to San Salvador. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Salvador flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Salvador

Get insights into the airlines that provide service to San Salvador. 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 Salvador. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Copa Airlines, Volaris El Salvador, and United Airlines from Washington, D.C. Dulles Intl Airport 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.
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,556 reviews
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Volaris El Salvador
7.4
Good
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
United Airlines
7.4
Good
9,095 reviews
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Avianca
6.6
Okay
2,490 reviews
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Frontier
5.8
Fair
3,080 reviews
Copa Airlines
7.6
Good
1,556 reviews

Food

6.8

Boarding

7.8

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 airport do you fly into for flights to San Salvador from Washington, D.C. Dulles Intl?

    If you book a flight to San Salvador from Washington, D.C. Dulles Intl, you will be flying to El Salvador Intl, which is the city’s only airport. San Salvador El Salvador Intl (SAL) is located 20.5 mi from the center of San Salvador. There are 7 flights from Washington, D.C. Dulles Intl to El Salvador Intl per day from 7 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to San Salvador?

    Airlines like Delta, United Airlines, and Copa Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 8h 09m. The time it takes to get you to your destination can typically vary by up to 1h 02m. The distance between Washington, D.C. Dulles Intl Airport and San Salvador is about 1898 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Salvador round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Salvador round-trip from $104. Other airlines that can offer you cheap pricing are United Airlines, from $134, and Volaris El Salvador, from $155. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Salvador for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Salvador one-way?

    One-way options have recently been found by users for as low as $84 on Volaris El Salvador. Other airlines that offer cheap prices include Frontier from $86 and Avianca from $101 one-way.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Salvador?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Salvador are Volaris Costa Rica (100%), Avianca (90%) and Avianca (89%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to San Salvador?

    On average you can expect to pay $587 for a flight from Washington, D.C. Dulles Intl Airport to San Salvador. The cheapest flight overall is $109 while the most popular route, (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl) is currently priced at $149.

  • Can I find deals for flights from Dulles Intl to San Salvador that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to San Salvador?

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

  • Can I find deals for business class flights from Dulles Intl to San Salvador?

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to San Salvador?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $113). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in July is currently the most expensive (average of $243). 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 San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Acajutla
Sonsonate
El Cuco
La Libertad

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Alternative routes for Dulles Intl to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to San Salvador flights
Reagan-National to San Salvador flights

Top 7 airlines flying from Dulles Intl to San Salvador

Discover the top 7 airlines that operate flights from Dulles Intl to San Salvador. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$104Average$222FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$154Average$419FlexibilityNo cancel feeOn-time69%
Volaris El SalvadorCheapest$187Average$301FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$195Average$384FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$196Average$526FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$266Average$491FlexibilityNo cancel feeOn-time71%
FrontierCheapest$275Average$595FlexibilityNo cancel feeOn-time62%

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