San Salvador

$277+ Cheap flights from Seattle (SEA) 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAL
Jun 9 — Jun 161
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Cheap flight deals from Seattle to San Salvador

Cheapest flights from Seattle to San Salvador
Explore the most affordable flight options available from Seattle to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This eDestinos deal was found by Cheapflights users on 5/5. 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 5/279:01 am
SEA
-
SAL
1 stop20h 29m
Multiple Airlines
Wed 6/39:10 am
SAL
-
SEA
1 stop10h 46m
Multiple Airlines
Deal found 5/5$537
This Avianca deal was found by Cheapflights users on 5/9. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:21 pm
SEA
-
SAL
1 stop10h 09m
Multiple Airlines
Sun 9/207:45 am
SAL
-
SEA
1 stop11h 16m
Multiple Airlines
Deal found 5/9$571
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:13 pm
SEA
-
SAL
1 stop10h 17m
Multiple Airlines
Sun 10/255:30 am
SAL
-
SEA
2 stops15h 23m
Multiple Airlines
Deal found 5/9$591
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 9/169:16 pm
SEA
-
SAL
2 stops18h 26m
Multiple Airlines
Tue 9/226:11 pm
SAL
-
SEA
1 stop19h 49m
Multiple Airlines
Deal found 5/8$594
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:50 pm
SEA
-
SAL
1 stop15h 40m
Multiple Airlines
Wed 6/39:10 am
SAL
-
SEA
1 stop10h 46m
Multiple Airlines
Deal found 5/5$602
This Justfly.com deal was found by Cheapflights users on 5/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:50 pm
SEA
-
SAL
1 stop15h 05m
Multiple Airlines
Wed 6/36:30 pm
SAL
-
SEA
1 stop16h 42m
Multiple Airlines
Deal found 5/10$607
This Justfly.com deal was found by Cheapflights users on 5/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:15 pm
SEA
-
SAL
1 stop19h 50m
Multiple Airlines
Tue 10/277:45 am
SAL
-
SEA
1 stop14h 40m
Multiple Airlines
Deal found 5/6$608
This Avianca deal was found by Cheapflights users on 5/5. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:42 pm
SEA
-
SAL
1 stop9h 48m
Multiple Airlines
Fri 9/117:45 am
SAL
-
SEA
1 stop11h 16m
Multiple Airlines
Deal found 5/5$609
This Avianca deal was found by Cheapflights users on 5/5. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:03 am
SEA
-
SAL
1 stop10h 02m
Multiple Airlines
Wed 10/287:45 am
SAL
-
SEA
1 stop10h 48m
Multiple Airlines
Deal found 5/5$611
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 11/29:16 pm
SEA
-
SAL
2 stops17h 17m
Multiple Airlines
Wed 11/1111:20 pm
SAL
-
SEA
1 stop13h 10m
Multiple Airlines
Deal found 5/7$612

Find flight deals from Seattle to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(eDestinos)

One-way from

$277
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$697
Provider with most accurate pricing for Seattle/Tacoma Intl-San Salvador El Salvador Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Salvador El Salvador Intl flights.
From Seattle/Tacoma Intl to San Salvador El Salvador Intl
One-way flight from Seattle/Tacoma Intl to San Salvador El Salvador Intl
Highest demand for flights based on searches. 8% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 10, 2026.
Use the filters below to find and compare flights from Seattle to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 5/21

10:50 pm-9:55 am

1 stop34h 05m

San Salvador El Salvador Intl

Sun 5/31

5:30 pm-12:30 pm

1 stop20h 00m

$685

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 8/5

8:42 pm-4:10 pm

2 stops18h 28m

San Salvador El Salvador Intl

Mon 8/10

5:16 am-6:12 pm

1 stop13h 56m

$749

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 8/3

8:12 pm-4:42 pm

2 stops19h 30m

San Salvador El Salvador Intl

Sun 8/9

5:16 am-6:12 pm

1 stop13h 56m

$794

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 6/12

3:38 pm-9:49 am

1 stop17h 11m

San Salvador El Salvador Intl

Fri 7/3

11:05 am-9:48 am

2 stops23h 43m

$799

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 6/3

6:15 pm-11:21 am

2 stops16h 06m

San Salvador El Salvador Intl

Wed 6/10

7:01 am-10:59 pm

2 stops16h 58m

$838

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 6/13

8:25 pm-3:00 pm

2 stops17h 35m

San Salvador El Salvador Intl

Wed 6/17

6:30 pm-10:16 am

1 stop16h 46m

$859

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 7/21

8:35 am-4:50 am

1 stop19h 15m

San Salvador El Salvador Intl

Mon 8/31

2:00 am-11:34 am

1 stop10h 34m

$931
Quickest round-trip

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 7/19

11:52 pm-6:58 pm

1 stop18h 06m

San Salvador El Salvador Intl

Wed 8/26

6:00 am-2:52 pm

1 stop9h 52m

$931

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 5/16

5:45 pm-12:41 pm

2 stops17h 56m

San Salvador El Salvador Intl

Sat 6/13

4:53 am-1:13 am

2 stops21h 20m

$933

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 6/22

11:49 pm-6:58 pm

1 stop18h 09m

San Salvador El Salvador Intl

Sun 6/28

2:00 am-6:47 pm

2 stops17h 47m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle 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 Seattle 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
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust 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 Seattle-San Salvador flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San Salvador flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San Salvador flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to San Salvador

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

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

The best time to book flights from Seattle to San Salvador is 59 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 Seattle to San Salvador?

Currently, January is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $439). Flying from Seattle to San Salvador in December is currently the most expensive (average of $1,139). 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.

How much does it cost to fly round-trip from Seattle 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 10, 2026.
Read through reviews of airlines operating flights from Seattle to San Salvador, such as United Airlines,American Airlines, andAvianca. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 are the cheapest airlines flying from Seattle to San Salvador round-trip?

    Avianca, at $320, was found to be the cheapest airline from Seattle to San Salvador.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 53% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Seattle to San Salvador are Avianca ($151), United Airlines ($264), and American Airlines ($274).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to San Salvador?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $439). Flying from Seattle to San Salvador in December is currently the most expensive (average of $1,139). 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 Seattle to San Salvador

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seattle to San Salvador

Discover the top 3 airlines that operate flights from Seattle 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$320Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$474Average$687FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$479Average$748FlexibilityNo cancel feeOn-time71%

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