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$136+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$359
(Avianca)

One-way from

$136
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$594
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. 15% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Avianca deal was found by Cheapflights users on 6/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/168:08 pmSEA - SAL
1 stop9h 22mMultiple Airlines
mié. 9/2412:05 pmSAL - SEA
1 stop10h 13mMultiple Airlines
Deal found 6/10$359
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/165:43 pmSEA - SAL
2 stops16h 52mAmerican Airlines
mié. 9/2412:35 pmSAL - SEA
1 stop12h 24mAmerican Airlines
Deal found 6/10$454
This Booking.com deal was found by Cheapflights users on 6/11. 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.
vie. 8/156:45 amSEA - SAL
2 stops13h 20mAvianca
mar. 8/269:30 amSAL - SEA
1 stop12h 12mAvianca
Deal found 6/11$515
This Mytrip deal was found by Cheapflights users on 6/11. 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.
mié. 6/253:58 pmSEA - SAL
2 stops19h 11mSpirit Airlines
mar. 7/11:14 pmSAL - SEA
2 stops26h 49mSpirit Airlines
Deal found 6/11$571
This Copa Airlines deal was found by Cheapflights users on 6/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1312:41 pmSEA - SAL
2 stops22h 10mCopa Airlines
jue. 1/295:03 amSAL - SEA
2 stops19h 56mCopa Airlines
Deal found 6/9$575
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/111:59 pmSEA - SAL
1 stop13h 25mUnited Airlines
dom. 12/73:00 amSAL - SEA
1 stop14h 58mUnited Airlines
Deal found 6/10$580
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/73:20 pmSEA - SAL
1 stop19h 45mDelta
mié. 11/262:25 pmSAL - SEA
1 stop11h 49mDelta
Deal found 6/10$790

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 junio 12, 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

dom. 6/15

11:05 pm-5:55 pm

1 stop17h 50m

San Salvador El Salvador Intl

mar. 6/17

5:35 pm-8:42 am

1 stop16h 07m

$514

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

vie. 8/15

6:45 am-9:05 pm

2 stops13h 20m

San Salvador El Salvador Intl

mar. 8/26

9:30 am-8:42 pm

1 stop12h 12m

$515

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

jue. 8/28

12:58 am-1:12 pm

1 stop11h 14m

San Salvador El Salvador Intl

sáb. 9/13

12:35 pm-9:21 am

2 stops21h 46m

$539

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

mié. 6/25

3:58 pm-12:09 pm

2 stops19h 11m

San Salvador El Salvador Intl

mar. 7/1

1:14 pm-3:03 pm

2 stops26h 49m

$571

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

mié. 7/30

11:58 pm-8:17 pm

1 stop19h 19m

San Salvador El Salvador Intl

dom. 8/10

1:15 am-10:22 am

1 stop10h 07m

$580

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

mar. 6/17

7:20 am-4:55 am

2 stops20h 35m

San Salvador El Salvador Intl

lun. 6/23

8:10 am-10:51 am

1 stop27h 41m

$1,027

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

lun. 8/4

5:30 pm-12:39 pm

2 stops18h 09m

$136

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

lun. 8/4

5:30 pm-9:05 pm

1 stop26h 35m

$165

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

vie. 8/8

6:45 am-9:05 pm

2 stops13h 20m

$217

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

mar. 7/8

11:58 pm-8:17 pm

1 stop19h 19m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
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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 June 9, 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 junio 12, 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 junio 12, 2025.
To help decide which airline to fly from Seattle to San Salvador, see what other customers have to say about Delta, Copa Airlines and United 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.
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Avianca
6.7
Okay
2,345 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    American Airlines, at $454, was found to be the cheapest airline from Seattle to San Salvador.Alternate airlines to your destination round-trip include Avianca and Spirit Airlines. These flights start at 29% 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 Spirit Airlines ($136), Avianca ($217), and United 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, 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
El Cuco
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$622FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$355Average$911FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$509Average$755FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$533Average$648FlexibilityNo cancel feeOn-time69%

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