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Cheap flights from Seattle to San Salvador from $166

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 4/6. 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.
Multiple Airlines Logo
7:05 am - 5:55 am
SEA
-
SAL
20h 50m
1 stop
Multiple Airlines Logo
7:30 pm - 8:00 pm
SAL
-
SEA
25h 30m
1 stop
$411Multiple Airlines
Sat, Feb 28 - Fri, Mar 13
Multiple Airlines Logo
8:20 am - 11:52 am
SEA
-
SAL
26h 32m
2 stops
Multiple Airlines Logo
9:58 am - 7:48 pm
SAL
-
SEA
10h 50m
1 stop
$412Multiple Airlines
Tue, Mar 17 - Tue, Mar 31
Multiple Airlines Logo
2:44 pm - 6:30 am
SEA
-
SAL
13h 46m
1 stop
Multiple Airlines Logo
10:10 pm - 7:56 pm
SAL
-
SEA
22h 46m
1 stop
$414Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Frontier Logo
10:05 pm - 5:30 pm
SEA
-
SAL
18h 25m
2 stops
Frontier Logo
3:02 pm - 9:27 am
SAL
-
SEA
19h 25m
2 stops
$415Frontier
Thu, Apr 2 - Mon, Apr 13
Frontier Logo
5:29 pm - 11:00 am
SEA
-
SAL
16h 31m
2 stops
Frontier Logo
1:42 pm - 9:27 am
SAL
-
SEA
44h 45m
2 stops
$421Frontier
Tue, Apr 7 - Fri, Apr 17
Multiple Airlines Logo
2:20 pm - 9:55 am
SEA
-
SAL
18h 35m
1 stop
Multiple Airlines Logo
6:15 pm - 5:42 pm
SAL
-
SEA
24h 27m
1 stop
$427Multiple Airlines
Fri, May 8 - Tue, May 12
Multiple Airlines Logo
10:53 pm - 5:55 am
SEA
-
SAL
30h 02m
1 stop
Multiple Airlines Logo
10:35 pm - 7:47 pm
SAL
-
SEA
22h 12m
1 stop
$434Multiple Airlines
Mon, Apr 13 - Mon, Apr 27
Multiple Airlines Logo
10:51 pm - 7:05 pm
SEA
-
SAL
19h 14m
1 stop
Multiple Airlines Logo
7:20 pm - 10:18 am
SAL
-
SEA
15h 58m
1 stop
$435Multiple Airlines
Tue, Mar 17 - Thu, Apr 2
Frontier Logo
5:59 pm - 5:30 pm
SEA
-
SAL
46h 31m
2 stops
Frontier Logo
11:50 pm - 9:27 am
SAL
-
SEA
34h 37m
2 stops
$436Frontier
Wed, Apr 1 - Sun, Apr 12
Frontier Logo
10:25 pm - 5:30 pm
SEA
-
SAL
18h 05m
2 stops
Frontier Logo
11:50 pm - 9:27 am
SAL
-
SEA
34h 37m
2 stops
$438Frontier
Sun, Apr 5 - Sun, Apr 12

Frontier flights from Seattle to San Salvador

Our best Frontier deals on Seattle to San Salvador flight tickets
Frontier
Apr 2
SEA10:05 pmSeattle/Tacoma Intl
18h 25m
2 stops
SAL5:30 pmSan Salvador El Salvador Intl
Apr 13
SAL3:02 pmSan Salvador El Salvador Intl
19h 25m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$415
Frontier
Apr 7
SEA5:29 pmSeattle/Tacoma Intl
16h 31m
2 stops
SAL11:00 amSan Salvador El Salvador Intl
Apr 17
SAL1:42 pmSan Salvador El Salvador Intl
44h 45m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$421
Frontier
Apr 1
SEA5:59 pmSeattle/Tacoma Intl
46h 31m
2 stops
SAL5:30 pmSan Salvador El Salvador Intl
Apr 12
SAL11:50 pmSan Salvador El Salvador Intl
34h 37m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$436

Avianca flights from Seattle to San Salvador

Our best Avianca deals on Seattle to San Salvador flight tickets
Avianca
Feb 28
SEA7:29 pmSeattle/Tacoma Intl
11h 36m
1 stop
SAL9:05 amSan Salvador El Salvador Intl
Mar 4
SAL9:35 amSan Salvador El Salvador Intl
13h 21m
1 stop
SEA8:56 pmSeattle/Tacoma Intl
$679
Avianca
Feb 28
SEA7:29 pmSeattle/Tacoma Intl
11h 36m
1 stop
SAL9:05 amSan Salvador El Salvador Intl
Mar 4
SAL7:45 amSan Salvador El Salvador Intl
12h 41m
1 stop
SEA6:26 pmSeattle/Tacoma Intl
$688

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 February 20, 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

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sat 2/28

7:05 am-5:55 am

1 stop20h 50m

San Salvador El Salvador Intl

Fri 3/13

7:30 pm-8:00 pm

1 stop25h 30m

$411

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 3/17

8:20 am-11:52 am

2 stops26h 32m

San Salvador El Salvador Intl

Tue 3/31

9:58 am-7:48 pm

1 stop10h 50m

$412

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 3/3

2:44 pm-6:30 am

1 stop13h 46m

San Salvador El Salvador Intl

Tue 3/17

10:10 pm-7:56 pm

1 stop22h 46m

$414

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Thu 4/2

10:05 pm-5:30 pm

2 stops18h 25m

San Salvador El Salvador Intl

Mon 4/13

3:02 pm-9:27 am

2 stops19h 25m

$415

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 4/7

5:29 pm-11:00 am

2 stops16h 31m

San Salvador El Salvador Intl

Fri 4/17

1:42 pm-9:27 am

2 stops44h 45m

$421

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Fri 5/8

2:20 pm-9:55 am

1 stop18h 35m

San Salvador El Salvador Intl

Tue 5/12

6:15 pm-5:42 pm

1 stop24h 27m

$427

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Mon 4/13

10:53 pm-5:55 am

1 stop30h 02m

San Salvador El Salvador Intl

Mon 4/27

10:35 pm-7:47 pm

1 stop22h 12m

$434

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Tue 3/17

10:51 pm-7:05 pm

1 stop19h 14m

San Salvador El Salvador Intl

Thu 4/2

7:20 pm-10:18 am

1 stop15h 58m

$435

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Wed 4/1

5:59 pm-5:30 pm

2 stops46h 31m

San Salvador El Salvador Intl

Sun 4/12

11:50 pm-9:27 am

2 stops34h 37m

$436

SeattleSan Salvador

SEA - SAL

SEASAL

Seattle/Tacoma Intl

Sun 4/5

10:25 pm-5:30 pm

2 stops18h 05m

San Salvador El Salvador Intl

Sun 4/12

11:50 pm-9:27 am

2 stops34h 37m

$438

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 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 $534.

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 $635 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 $405 on momondo.

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

You could potentially save up to 19% 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 February 2026, prices for Seattle to San Salvador flights are approximately 151% more expensive 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

8h 30m

Direct flights

None
The fastest flight from Seattle to San Salvador takes 8h 30m
There are no direct flights from Seattle to San Salvador. There are no popular flight routes from Seattle to San Salvador.
Search flight deals

  • 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. 8h 30m 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
6.6
2,497 reviews
Search Avianca flights
American AirlinesPriceFrom $439Free CancellationRating
7.2
11,321 reviews
Search American Airlines flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights

Traveling to a place near San Salvador?

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