San Salvador

$145+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAL
Jun 3 — Jun 101
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Find cheap flights from Dulles Intl 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

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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 46 days in advance, depart on a Tuesday or Monday and return on a Friday

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 May 4, 2026.

This Volaris deal was found by Cheapflights users on 4/30. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sat 10/177:13 am
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 4/30$289
This eDestinos deal was found by Cheapflights users on 5/3. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:55 am
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sun 10/117:02 pm
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 5/3$291
This Volaris deal was found by Cheapflights users on 4/30. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:55 am
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sat 10/107:13 am
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 4/30$293
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:55 am
IAD
-
SAL
Nonstop4h 28m
Volaris El Salvador
Mon 11/167:09 am
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 4/29$294
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Mon 10/193:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Wed 11/186:58 pm
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 4/30$295
This Volaris deal was found by Cheapflights users on 4/29. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:55 am
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Wed 9/167:02 pm
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 4/29$296
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 10/172:55 am
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 11/167:09 am
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 4/30$297
This eDestinos deal was found by Cheapflights users on 4/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Fri 11/66:58 pm
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 4/30$298
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Mon 10/193:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Sat 10/247:13 am
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 4/30$299
This Volaris deal was found by Cheapflights users on 5/1. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 9/287:02 pm
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 5/1$300
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 10/163:06 pm
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Mon 11/167:09 am
SAL
-
IAD
Nonstop4h 17m
Volaris El Salvador
Deal found 4/30$301
This Booking.com deal was found by Cheapflights users on 5/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:55 am
IAD
-
SAL
Nonstop4h 22m
Volaris El Salvador
Wed 9/307:02 pm
SAL
-
IAD
Nonstop4h 13m
Volaris El Salvador
Deal found 5/2$302

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Volaris)

One-way from

$145
(Expedia)

Popular in

December

Cheapest in

September

Average price

$321

Good round-trip deal

$401 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Salvador El Salvador Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Salvador El Salvador Intl flights.
From Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
One-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl
Highest demand for flights based on searches. 16% potential increase in price ($68 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Salvador El Salvador Intl.

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 May 4, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 6/10

6:33 am-9:35 pm

1 stop17h 02m

San Salvador El Salvador Intl

Fri 7/10

1:50 pm-12:31 am

1 stop8h 41m

$498

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sun 5/10

6:00 am-8:49 pm

1 stop16h 49m

San Salvador El Salvador Intl

Wed 6/10

6:00 am-10:43 pm

1 stop14h 43m

$503

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 5/29

6:33 am-9:35 pm

1 stop17h 02m

San Salvador El Salvador Intl

Sat 6/6

6:00 am-10:43 pm

1 stop14h 43m

$503

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 6/10

6:33 am-9:35 pm

1 stop17h 02m

San Salvador El Salvador Intl

Wed 6/24

1:20 pm-7:39 pm

Nonstop4h 19m

$508

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Tue 6/16

6:33 am-9:35 pm

1 stop17h 02m

San Salvador El Salvador Intl

Sun 6/28

1:15 am-12:31 am

1 stop21h 16m

$510

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 5/27

2:53 pm-8:49 pm

1 stop7h 56m

San Salvador El Salvador Intl

Tue 7/21

1:15 am-10:43 pm

1 stop19h 28m

$515

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Sat 5/16

2:55 am-5:23 am

Nonstop4h 28m

San Salvador El Salvador Intl

Sat 5/23

6:58 pm-1:15 am

Nonstop4h 17m

$539

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Wed 5/13

2:55 am-5:23 am

Nonstop4h 28m

San Salvador El Salvador Intl

Sat 5/30

7:09 am-1:26 pm

Nonstop4h 17m

$545
Quickest round-trip

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 7/17

3:06 pm-5:28 pm

Nonstop4h 22m

San Salvador El Salvador Intl

Mon 7/20

6:58 pm-1:15 am

Nonstop4h 17m

$546

Washington, D.C.San Salvador

IAD - SAL

IADSAL

Washington, D.C. Dulles Intl

Fri 7/3

3:06 pm-5:28 pm

Nonstop4h 22m

San Salvador El Salvador Intl

Mon 7/6

6:58 pm-1:15 am

Nonstop4h 17m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-San Salvador flight deals on Cheapflights vs. FlightHub >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 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 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?

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 45 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $261). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $627). 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 May 4, 2026.

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 morning.

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 May 2, 2026.

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to San Salvador?

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 May 4, 2026.
Peruse reviews from past customers who have flown with Copa Airlines,Volaris El Salvador, andUnited 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.

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Volaris El Salvador
7.4
Good

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

Entertainment

6.8

Overall

7.5

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

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 4 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 United Airlines fly from Washington, D.C. Dulles Intl Airport to San Salvador in about 17h 02m. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Dulles Intl Airport and San Salvador is about 1898 mi.

  • 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 Copa Airlines, from $156, and United Airlines, from $156. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Salvador for 70% 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 $68 on Frontier. Other airlines that offer cheap prices include Volaris El Salvador from $77 and Avianca from $94 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 Avianca Costa Rica (100%), Avianca (93%) and Avianca (92%).

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

    On average you can expect to pay $679 for a flight from Washington, D.C. Dulles Intl Airport to San Salvador. The cheapest flight overall is $111 while the most popular route, (Washington, D.C. Dulles Intl - San Salvador El Salvador Intl) is currently priced at $258.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Salvador (average of $261). Flying from Washington, D.C. Dulles Intl Airport to San Salvador in December is currently the most expensive (average of $627). 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
La Libertad
El Cuco
Sonsonate

Browse thousands of different options on Cheapflights for your next trip

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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.

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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$104Average$136FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$155Average$464FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$156Average$362FlexibilityNo cancel feeOn-time70%
FrontierCheapest$161Average$517FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$178Average$301FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$190Average$376FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$287Average$465FlexibilityNo cancel feeOn-time71%

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