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Cheap flights from Seattle to San Salvador from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Salvador departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to San Salvador

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:53 am - 10:00 am
SEA
-
SAL
21h 07m
2 stops
Frontier Logo
11:05 am - 10:35 am
SAL
-
SEA
24h 30m
2 stops
$425Frontier
Thu, Jun 11 - Fri, Jun 26
Frontier Logo
11:53 am - 10:00 am
SEA
-
SAL
21h 07m
2 stops
Frontier Logo
11:05 am - 10:35 am
SAL
-
SEA
24h 30m
2 stops
$462Frontier
Thu, Jun 18 - Mon, Jun 29
Frontier Logo
3:19 pm - 9:50 am
SEA
-
SAL
17h 31m
2 stops
Frontier Logo
11:00 am - 10:35 am
SAL
-
SEA
24h 35m
2 stops
$491Frontier
Thu, Aug 6 - Mon, Aug 24
Multiple Airlines Logo
10:27 am - 6:30 am
SEA
-
SAL
19h 03m
1 stop
Multiple Airlines Logo
6:30 pm - 10:12 am
SAL
-
SEA
16h 42m
1 stop
$537Multiple Airlines
Tue, May 12 - Tue, Jun 2
Multiple Airlines Logo
11:37 am - 4:00 pm
SEA
-
SAL
27h 23m
2 stops
Multiple Airlines Logo
6:11 pm - 6:35 pm
SAL
-
SEA
25h 24m
1 stop
$542Multiple Airlines
Mon, May 11 - Fri, Jun 5
Multiple Airlines Logo
7:50 pm - 7:40 pm
SEA
-
SAL
22h 50m
2 stops
Multiple Airlines Logo
11:20 pm - 6:35 pm
SAL
-
SEA
20h 15m
2 stops
$548Multiple Airlines
Thu, May 7 - Sat, Jun 6
Multiple Airlines Logo
11:37 am - 7:40 pm
SEA
-
SAL
31h 03m
2 stops
Multiple Airlines Logo
6:15 pm - 6:35 pm
SAL
-
SEA
25h 20m
1 stop
$552Multiple Airlines
Mon, May 11 - Mon, Jun 1
Multiple Airlines Logo
7:50 pm - 7:40 pm
SEA
-
SAL
22h 50m
2 stops
Multiple Airlines Logo
6:15 pm - 6:35 pm
SAL
-
SEA
25h 20m
1 stop
$554Multiple Airlines
Thu, May 7 - Sat, Jun 6
Multiple Airlines Logo
11:03 am - 7:00 am
SEA
-
SAL
18h 57m
1 stop
Multiple Airlines Logo
9:12 am - 10:35 am
SAL
-
SEA
26h 23m
2 stops
$558Multiple Airlines
Sun, Aug 2 - Tue, Aug 18
Multiple Airlines Logo
3:45 pm - 6:30 am
SEA
-
SAL
13h 45m
1 stop
Multiple Airlines Logo
6:15 pm - 9:51 am
SAL
-
SEA
16h 36m
1 stop
$560Multiple Airlines
Mon, Oct 5 - Sun, Oct 11

Frontier flights from Seattle to San Salvador

Our best Frontier deals on Seattle to San Salvador flight tickets
Frontier
Jun 11
SEA11:53 amSeattle/Tacoma Intl
21h 07m
2 stops
SAL10:00 amSan Salvador El Salvador Intl
Jun 26
SAL11:05 amSan Salvador El Salvador Intl
24h 30m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$425
Frontier
Jun 18
SEA11:53 amSeattle/Tacoma Intl
21h 07m
2 stops
SAL10:00 amSan Salvador El Salvador Intl
Jun 29
SAL11:05 amSan Salvador El Salvador Intl
24h 30m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$462
Frontier
Aug 6
SEA3:19 pmSeattle/Tacoma Intl
17h 31m
2 stops
SAL9:50 amSan Salvador El Salvador Intl
Aug 24
SAL11:00 amSan Salvador El Salvador Intl
24h 35m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$491

momondo 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, momondo users made 832,500 searches. Data last updated April 17, 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 6/11

11:53 am-10:00 am

2 stops21h 07m

San Salvador El Salvador Intl

Fri 6/26

11:05 am-10:35 am

2 stops24h 30m

$425

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 6/18

11:53 am-10:00 am

2 stops21h 07m

San Salvador El Salvador Intl

Mon 6/29

11:05 am-10:35 am

2 stops24h 30m

$462

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 8/6

3:19 pm-9:50 am

2 stops17h 31m

San Salvador El Salvador Intl

Mon 8/24

11:00 am-10:35 am

2 stops24h 35m

$491

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 5/12

10:27 am-6:30 am

1 stop19h 03m

San Salvador El Salvador Intl

Tue 6/2

6:30 pm-10:12 am

1 stop16h 42m

$537

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 5/11

11:37 am-4:00 pm

2 stops27h 23m

San Salvador El Salvador Intl

Fri 6/5

6:11 pm-6:35 pm

1 stop25h 24m

$542

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 5/7

7:50 pm-7:40 pm

2 stops22h 50m

San Salvador El Salvador Intl

Sat 6/6

11:20 pm-6:35 pm

2 stops20h 15m

$548

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 5/11

11:37 am-7:40 pm

2 stops31h 03m

San Salvador El Salvador Intl

Mon 6/1

6:15 pm-6:35 pm

1 stop25h 20m

$552

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 5/7

7:50 pm-7:40 pm

2 stops22h 50m

San Salvador El Salvador Intl

Sat 6/6

6:15 pm-6:35 pm

1 stop25h 20m

$554

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 8/2

11:03 am-7:00 am

1 stop18h 57m

San Salvador El Salvador Intl

Tue 8/18

9:12 am-10:35 am

2 stops26h 23m

$558
Quickest round-trip

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 10/5

3:45 pm-6:30 am

1 stop13h 45m

San Salvador El Salvador Intl

Sun 10/11

6:15 pm-9:51 am

1 stop16h 36m

$560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Salvador from

How to get the cheapest flight ticket from Seattle to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and San Salvador?

What is the cheapest month to fly to San Salvador?

If you aren’t able to travel to San Salvador during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $533.

How far in advance should I book a flight to San Salvador?

You are more likely to see cheaper flights to San Salvador from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around $661 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from Seattle for as low as $425 on momondo.

Can stopping save me money on Seattle to San Salvador flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to San Salvador flight.

How have Seattle to San Salvador flight prices changed over time?

As of April 2026, prices for Seattle to San Salvador flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to San Salvador

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to San Salvador according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to San Salvador (SEA to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to San Salvador

Fastest flight time

10h 21m

Direct flights

None
The fastest flight from Seattle to San Salvador takes 10h 21m
There are no direct flights from Seattle to San Salvador. There are no popular flight routes from Seattle to San Salvador.
Search flight deals

Frequently asked questions about flying from Seattle to San Salvador

  • How far is Seattle/Tacoma Intl to San Salvador El Salvador Intl by plane?

    The straight-line distance from Seattle/Tacoma Intl to San Salvador El Salvador Intl is 3014.6 mi. 10h 21m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to San Salvador El Salvador Intl Airport.

  • What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

    The travel and health documents you'll need for your trip to San Salvador El Salvador Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to San Salvador?

Best airlines flying from Seattle to San Salvador

Compare and see reviews for airlines that fly from Seattle to San Salvador with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $320Free CancellationRating
6.5
2,511 reviews
Search Avianca flights
United AirlinesPriceFrom $474Free CancellationRating
7.4
9,603 reviews
Search United Airlines flights
American AirlinesPriceFrom $479Free CancellationRating
7.1
11,596 reviews
Search American Airlines flights

Traveling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Acajutla
La Libertad
Sonsonate
El Cuco

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to San Salvador?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to San Salvador. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to San Salvador with flexible booking policies on momondo?

Yes. All flights to San Salvador from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to San Salvador?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Salvador from Seattle.

I’m not ready to book a flight from Seattle to San Salvador right now. Can momondo alert me if prices change?

Price alerts on flights to San Salvador from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly your favorite airline to San Salvador

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
American Airlines
Avianca