$223+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAL
Apr 28 — May 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San Salvador with Cheapflights
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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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to San Salvador
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Cheapest flights from Seattle to San SalvadorExplore 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 29, 2026.
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 29, 2026.
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Fri 4/247:12 pm
SEA
- SAL
2 stops20h 31m
Multiple Airlines
Sat 5/99:11 am
SAL
- SEA
2 stops25h 38m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/2010:57 am
SEA
- SAL
1 stop19h 03m
Multiple Airlines
Wed 4/296:15 pm
SAL
- SEA
1 stop24h 27m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/2010:57 am
SEA
- SAL
1 stop19h 03m
Multiple Airlines
Tue 4/286:15 pm
SAL
- SEA
1 stop24h 27m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/208:45 pm
SEA
- SAL
2 stops42h 15m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/217:12 pm
SEA
- SAL
2 stops43h 48m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/147:12 pm
SEA
- SAL
2 stops23h 28m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/19:32 pm
SEA
- SAL
2 stops41h 58m
Multiple Airlines
Fri 5/86:15 pm
SAL
- SEA
1 stop24h 22m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/27:12 pm
SEA
- SAL
2 stops34h 48m
Multiple Airlines
Fri 5/86:15 pm
SAL
- SEA
1 stop24h 22m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/297:12 pm
SEA
- SAL
2 stops23h 28m
Multiple Airlines
Tue 5/126:15 pm
SAL
- SEA
1 stop25h 20m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$491
Best flights from Seattle to San SalvadorDiscover carefully curated flight deals from Seattle to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
Discover carefully curated flight deals from Seattle to San Salvador that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 29, 2026.
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 4/236:30 am
SEA
- SAL
1 stop13h 19m
United Airlines
Fri 5/12:00 am
SAL
- SEA
1 stop18h 48m
United Airlines
Deal found 3/24![United Airlines logo]()
$917
This Copa Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/184:32 pm
SEA
- SAL
2 stops19h 09m
Copa Airlines
Wed 4/224:57 am
SAL
- SEA
2 stops19h 30m
Copa Airlines
Deal found 3/28![Copa Airlines logo]()
$919
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/248:45 am
SEA
- SAL
1 stop19h 05m
United Airlines
Mon 4/271:50 pm
SAL
- SEA
1 stop10h 22m
United Airlines
Deal found 3/24![United Airlines logo]()
$917
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/245:00 am
SEA
- SAL
2 stops14h 49m
United Airlines
Fri 5/11:50 pm
SAL
- SEA
1 stop10h 02m
United Airlines
Deal found 3/24![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/148:55 am
SEA
- SAL
2 stops10h 54m
United Airlines
Wed 4/292:00 am
SAL
- SEA
2 stops13h 36m
United Airlines
Deal found 3/25![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 6/133:30 pm
SEA
- SAL
2 stops19h 45m
United Airlines
Sun 6/216:00 am
SAL
- SEA
1 stop17h 42m
United Airlines
Deal found 3/26![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/2111:35 am
SEA
- SAL
2 stops16h 15m
United Airlines
Fri 5/12:00 am
SAL
- SEA
1 stop18h 48m
United Airlines
Deal found 3/24![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/235:00 am
SEA
- SAL
2 stops14h 49m
United Airlines
Tue 4/286:00 am
SAL
- SEA
2 stops13h 00m
United Airlines
Deal found 3/25![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/225:00 am
SEA
- SAL
2 stops14h 49m
United Airlines
Tue 4/286:00 am
SAL
- SEA
2 stops13h 00m
United Airlines
Deal found 3/25![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/195:00 am
SEA
- SAL
2 stops14h 49m
United Airlines
Sun 5/33:40 pm
SAL
- SEA
2 stops20h 03m
United Airlines
Deal found 3/27![United Airlines logo]()
$921
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 pm
SEA
- SAL
2 stops16h 10m
United Airlines
Thu 4/236:00 am
SAL
- SEA
2 stops13h 00m
United Airlines
Deal found 3/29![United Airlines logo]()
$921
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 4/268:55 am
SEA
- SAL
2 stops10h 54m
United Airlines
Fri 5/12:00 am
SAL
- SEA
1 stop18h 48m
United Airlines
Deal found 3/24![United Airlines logo]()
$921
Last-minute flights from Seattle to San SalvadorDiscover last-minute flight deals from Seattle to San Salvador. Data last updated March 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Salvador. Data last updated March 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/147:12 pm
SEA
- SAL
2 stops23h 28m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/2010:57 am
SEA
- SAL
1 stop19h 03m
Multiple Airlines
Wed 4/296:15 pm
SAL
- SEA
1 stop24h 27m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/2010:57 am
SEA
- SAL
1 stop19h 03m
Multiple Airlines
Tue 4/286:15 pm
SAL
- SEA
1 stop24h 27m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/208:45 pm
SEA
- SAL
2 stops42h 15m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Tue 4/217:12 pm
SEA
- SAL
2 stops43h 48m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/2110:57 am
SEA
- SAL
1 stop18h 18m
Multiple Airlines
Tue 4/288:00 am
SAL
- SEA
1 stop10h 42m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/227:12 pm
SEA
- SAL
2 stops19h 48m
Multiple Airlines
Thu 4/305:35 pm
SAL
- SEA
1 stop25h 17m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$497
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Fri 4/247:12 pm
SEA
- SAL
2 stops20h 31m
Multiple Airlines
Sat 5/99:11 am
SAL
- SEA
2 stops25h 38m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/297:12 pm
SEA
- SAL
2 stops23h 28m
Multiple Airlines
Tue 5/126:15 pm
SAL
- SEA
1 stop25h 20m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/297:12 pm
SEA
- SAL
2 stops23h 28m
Multiple Airlines
Sun 5/105:35 pm
SAL
- SEA
1 stop26h 00m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$496
One-way flights from Seattle to San SalvadorSearch for one-way flight options from Seattle to San Salvador. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
Search for one-way flight options from Seattle to San Salvador. Find affordable one-way fares based on user searches. Data last updated March 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Sun 4/2611:12 am
SEA
- SAL
2 stops24h 19m
Frontier
Deal found 3/27![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/2510:50 pm
SEA
- SAL
2 stops36h 41m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/111:07 am
SEA
- SAL
2 stops31h 33m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$249
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/3010:57 am
SEA
- SAL
1 stop17h 45m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$272
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:27 am
SEA
- SAL
1 stop22h 28m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$291
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 March 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $442 (Trip.com) |
One-way from | $223 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $678 |
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 29, 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
Cheapest round-trip
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Thu 4/23
6:30 am-8:49 pm
1 stop13h 19m
San Salvador El Salvador Intl
Fri 5/1
2:00 am-7:48 pm
1 stop18h 48m
$917
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Fri 4/24
8:45 am-4:50 am
1 stop19h 05m
San Salvador El Salvador Intl
Mon 4/27
1:50 pm-11:12 pm
1 stop10h 22m
$917
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Sat 4/18
4:32 pm-12:41 pm
2 stops19h 09m
San Salvador El Salvador Intl
Wed 4/22
4:57 am-11:27 pm
2 stops19h 30m
$919
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Fri 4/24
5:00 am-8:49 pm
2 stops14h 49m
San Salvador El Salvador Intl
Fri 5/1
1:50 pm-10:52 pm
1 stop10h 02m
$921
Quickest round-trip
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Tue 4/14
8:55 am-8:49 pm
2 stops10h 54m
San Salvador El Salvador Intl
Wed 4/29
2:00 am-2:36 pm
2 stops13h 36m
$921
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Sat 6/13
3:30 pm-12:15 pm
2 stops19h 45m
San Salvador El Salvador Intl
Sun 6/21
6:00 am-10:42 pm
1 stop17h 42m
$921
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Tue 4/21
11:35 am-4:50 am
2 stops16h 15m
San Salvador El Salvador Intl
Fri 5/1
2:00 am-7:48 pm
1 stop18h 48m
$921
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Thu 4/23
5:00 am-8:49 pm
2 stops14h 49m
San Salvador El Salvador Intl
Tue 4/28
6:00 am-6:00 pm
2 stops13h 00m
$921
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Wed 4/22
5:00 am-8:49 pm
2 stops14h 49m
San Salvador El Salvador Intl
Tue 4/28
6:00 am-6:00 pm
2 stops13h 00m
$921
SeattleSan Salvador
SEA - SAL
SEASAL
Seattle/Tacoma Intl
Sun 4/19
5:00 am-8:49 pm
2 stops14h 49m
San Salvador El Salvador Intl
Sun 5/3
3:40 pm-10:43 am
2 stops20h 03m
$921
Showing 1-10 of 19 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
SEA-SAL
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
Prices
More
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 13, 2026.
The best time to book flights from Seattle to San Salvador is 54 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, February is the cheapest month in which you can book a flight from Seattle to San Salvador (average of $316). Flying from Seattle to San Salvador in December is currently the most expensive (average of $615). 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?
What’s the top layover airport for flights from Seattle to San Salvador?
Share of 1-stop round-trip flights from Seattle to San Salvador chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 90% of 1-stop itineraries from Seattle to San Salvador on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to San Salvador?
Average round-trip fare for 1-stop flights from Seattle to San Salvador, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Los Angeles (LAX) is the most affordable 1-stop option, with an average round-trip price of $806.
What’s the fastest layover option from Seattle to San Salvador?
Shortest average travel time for 1-stop one-way flights from Seattle to San Salvador, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 11h 06m.
Which airport typically offers the quickest layover for flights from Seattle to San Salvador?
Average layover duration for 1-stop one-way flights from Seattle to San Salvador, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 2h 38m.
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 29, 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.
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
Traveling to a place near San Salvador?
Book flights to San Salvador if you plan to visit one of these locationsAcajutla
La Libertad
El Cuco
Sonsonate
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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 March 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$502 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$479 | Average$743 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$602 | FlexibilityNo cancel fee | On-time69% |