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$176+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAL
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Salvador El Salvador Intl are usually found in February or November, booked 53 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$481
(Avianca)

One-way from

$176
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$679
Provider with most accurate pricing for Seattle/Tacoma Intl-San Salvador El Salvador Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Salvador El Salvador Intl flights.
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From Seattle/Tacoma Intl to San Salvador El Salvador Intl
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One-way flight from Seattle/Tacoma Intl to San Salvador El Salvador Intl
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Highest demand for flights based on searches. 7% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 31, 2025.

This Avianca deal was found by Cheapflights users on 3/30. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:25 pmSEA - SAL
1 stop10h 25mMultiple Airlines
Wed 5/287:30 amSAL - SEA
1 stop10h 20mMultiple Airlines
Deal found 3/30$481
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:15 pmSEA - SAL
2 stops23h 08mUnited Airlines
Mon 5/122:00 amSAL - SEA
2 stops17h 30mUnited Airlines
Deal found 3/30$496
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/14:27 pmSEA - SAL
1 stop19h 01mAmerican Airlines
Thu 5/81:12 pmSAL - SEA
1 stop10h 55mAmerican Airlines
Deal found 3/31$513
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:45 amSEA - SAL
2 stops13h 20mAvianca
Thu 9/119:30 amSAL - SEA
1 stop12h 12mAvianca
Deal found 3/30$518
This Copa Airlines deal was found by Cheapflights users on 3/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 amSEA - SAL
2 stops24h 10mCopa Airlines
Fri 1/235:03 amSAL - SEA
2 stops19h 56mCopa Airlines
Deal found 3/29$607
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1012:30 pmSEA - SAL
3 stops34h 15mSpirit Airlines
Sat 4/1912:50 amSAL - SEA
3 stops35h 45mSpirit Airlines
Deal found 3/30$687

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 March 31, 2025.
Use the filters below to find and compare flights from Seattle to San Salvador that are best for you.

Fly from

Seattle

Fly to

San Salvador

Route

Depart

Return

Price

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 5/7

6:25 pm-5:50 am

1 stop10h 25m

San Salvador El Salvador Intl

Wed 5/21

7:30 am-4:50 pm

1 stop10h 20m

$481

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 5/6

10:55 pm-2:23 pm

1 stop14h 28m

San Salvador El Salvador Intl

Mon 5/12

2:00 am-9:31 pm

2 stops20h 31m

$496

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 5/1

4:27 pm-12:28 pm

1 stop19h 01m

San Salvador El Salvador Intl

Thu 5/8

1:12 pm-11:07 pm

1 stop10h 55m

$513

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 9/5

6:45 am-9:05 pm

2 stops13h 20m

San Salvador El Salvador Intl

Thu 9/11

9:30 am-8:42 pm

1 stop12h 12m

$518

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 4/10

12:30 pm-11:45 pm

3 stops34h 15m

San Salvador El Salvador Intl

Sat 4/19

12:50 am-11:35 am

3 stops35h 45m

$687

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 7/18

7:23 am-2:23 pm

1 stop30h 00m

San Salvador El Salvador Intl

Sat 8/2

3:40 pm-2:20 pm

1 stop23h 40m

$2,497

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 5/17

4:20 pm-5:38 am

1 stop12h 18m

$176

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 5/14

7:00 am-4:50 am

3 stops20h 50m

$239

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 5/12

1:10 am-12:44 pm

1 stop10h 34m

$245

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 5/30

9:34 am-2:38 pm

1 stop28h 04m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Salvador. Price data was last updated on March 28, 2025.

The best time to book flights from Seattle to San Salvador is 52 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, September is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $260). Flying from Seattle 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 SEA to SAL?

Find hourly flight availability from Seattle 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 March 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to San Salvador in the morning. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

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

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

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

Rainfall in San Salvador by month

Plan your trip to San Salvador by taking into account the average rainfall totals by month.

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.

Temperature in San Salvador by month

Plan your trip to San Salvador by taking into account the average temperature totals by month.

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).

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 March 31, 2025.
To help decide which airline to fly from Seattle to San Salvador, see what other customers have to say about Aeromexico, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
Aeromexico
7.5
Good
1,700 reviews
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
United Airlines
7.4
Good
8,614 reviews
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
American Airlines
7.2
Good
10,000 reviews
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
Avianca
6.7
Okay
2,301 reviews
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico
Spirit Airlines
6.3
Okay
7,884 reviews
Aeromexico
7.5
Good
1,700 reviews

Food

6.6

Entertainment

7.1

Overall

7.5

Boarding

7.4

Comfort

7.6

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2025

QRO - ATL

You are a cheap airline - and I don’t mean well priced I mean miserable. That 4 1/2 hour plus flight was way below acceptable NO Food NO in flight entertainment NOt even a place to charge my own electronic devises All in a cheap aircraft with thin seats and very limited reclining I am done with Aeromexico

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?

    United Airlines, at $496, was found to be the cheapest airline from Seattle to San Salvador.Alternate airlines to your destination round-trip include American Airlines and Avianca. These flights start at 27% 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 United Airlines ($239), American Airlines ($245), and Aeromexico ($563).

  • 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, September is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $260). Flying from Seattle 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Sonsonate
La Libertad
Acajutla

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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.
Portland to San Salvador flights
Pasco to San Salvador flights

Top 4 airlines flying from Seattle to San Salvador

Discover the top 4 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$651FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$355Average$911FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$498Average$683FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$528Average$724FlexibilityNo cancel feeOn-time71%
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