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$207+ Cheap flights from San Salvador (SAL) to Seattle (SEA)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — SEA
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Salvador El Salvador Intl to Seattle/Tacoma Intl are usually found in September or October, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Salvador to Seattle

Cheapest flights from San Salvador to Seattle
Explore the most affordable flight options available from San Salvador to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This eDestinos deal was found by Cheapflights users on 12/13. 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.
Sun 12/2110:05 pmSAL - SEA
1 stop25h 27mMultiple Airlines
Wed 1/78:10 amSEA - SAL
1 stop11h 45mMultiple Airlines
Deal found 12/13$353
This Expedia deal was found by Cheapflights users on 12/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:00 amSAL - SEA
1 stop13h 56mMultiple Airlines
Mon 1/59:34 amSEA - SAL
1 stop20h 31mMultiple Airlines
Deal found 12/12$444
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/198:24 pmSAL - SEA
2 stops39h 47mMultiple Airlines
Sun 1/411:26 pmSEA - SAL
1 stop17h 38mMultiple Airlines
Deal found 12/12$526
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/198:24 pmSAL - SEA
2 stops39h 47mMultiple Airlines
Sat 1/311:26 pmSEA - SAL
1 stop10h 57mMultiple Airlines
Deal found 12/12$530
This eDestinos deal was found by Cheapflights users on 12/12. 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.
Thu 12/185:54 pmSAL - SEA
2 stops26h 59mMultiple Airlines
Sun 1/42:54 pmSEA - SAL
2 stops19h 02mMultiple Airlines
Deal found 12/12$575

Find flight deals from San Salvador to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Seattle (SEA). 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 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$353
(eDestinos)

One-way from

$207
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$736
Provider with most accurate pricing for San Salvador El Salvador Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Salvador El Salvador Intl-Seattle/Tacoma Intl flights.
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From San Salvador El Salvador Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from San Salvador El Salvador Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Salvador to Seattle 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 14, 2025.
Use the filters below to find and compare flights from San Salvador to Seattle that are best for you.

Fly from

San Salvador

Fly to

Seattle

Route

Depart

Return

Price

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Tue 1/27

9:35 am-8:57 pm

1 stop13h 22m

Seattle/Tacoma Intl

Wed 2/4

6:53 pm-7:00 am

1 stop10h 07m

$383

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Mon 5/25

8:30 pm-11:39 am

1 stop16h 09m

Seattle/Tacoma Intl

Tue 6/2

11:05 pm-5:55 pm

1 stop17h 50m

$395

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Mon 1/19

10:50 am-9:57 am

1 stop25h 07m

Seattle/Tacoma Intl

Sat 1/24

12:54 pm-2:52 pm

2 stops23h 58m

$400

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Wed 3/25

8:25 pm-9:54 am

1 stop14h 29m

Seattle/Tacoma Intl

Wed 4/1

9:55 pm-7:30 pm

1 stop20h 35m

$405

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Wed 2/4

9:35 am-8:57 pm

1 stop13h 22m

Seattle/Tacoma Intl

Sat 2/7

8:10 am-9:55 pm

1 stop11h 45m

$410

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Tue 1/27

9:35 am-8:57 pm

1 stop13h 22m

Seattle/Tacoma Intl

Wed 2/4

9:00 am-6:10 am

2 stops19h 10m

$425

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Fri 3/27

10:05 pm-9:54 am

1 stop12h 49m

Seattle/Tacoma Intl

Tue 4/7

9:55 pm-7:30 pm

1 stop20h 35m

$432

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Sat 3/28

7:30 pm-10:19 am

1 stop15h 49m

Seattle/Tacoma Intl

Mon 4/6

2:00 pm-6:30 am

1 stop15h 30m

$437

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Sat 3/28

6:55 pm-10:19 am

1 stop16h 24m

Seattle/Tacoma Intl

Tue 4/7

9:55 pm-7:30 pm

1 stop20h 35m

$437

San SalvadorSeattle

SAL - SEA

SALSEA

San Salvador El Salvador Intl

Thu 2/19

4:02 pm-12:01 pm

3 stops45h 59m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 18 results
1
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Compare providers for flights from San Salvador to Seattle

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

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

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

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

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Salvador to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Salvador to Seattle?

Currently, November is the cheapest month in which you can book a flight from San Salvador to Seattle (average of $274). Flying from San Salvador to Seattle in March is currently the most expensive (average of $505). 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 SAL to SEA?

Find hourly flight availability from San Salvador to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 14, 2025.

It’s typically best to fly out from San Salvador to Seattle in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from San Salvador to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 14, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Avianca from San Salvador to Seattle 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.
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Avianca
6.6
Okay
2,485 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

Find useful and relevant information for your journey from San Salvador to Seattle. 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 San Salvador to Seattle round-trip?

    Our cheapest airline available from San Salvador to Seattle is Avianca. Our recent data shows that you can find tickets from as low as $372 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $439 and $525 round-trip. You may be able to fly from San Salvador to Seattle for 38% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $252. Users have also found prices from $307 and $344 on American Airlines and United Airlines, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Salvador to Seattle (average of $274). Flying from San Salvador to Seattle in March is currently the most expensive (average of $505). 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
Tacoma
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Alternative routes for San Salvador to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
San Salvador to Portland flights

Top 3 airlines flying from San Salvador to Seattle

Discover the top 3 airlines that operate flights from San Salvador to Seattle. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$372Average$512FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$439Average$667FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$529Average$649FlexibilityNo cancel feeOn-time69%

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