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Cheap flights from Seattle to San Juan Luis Munoz Marin Intl Airport from C$ 388

SEA — SJU
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Luis Munoz Marin Intl

Thu 10/129:09 p.m. -
3 stops23h 58m
Wed 16/124:04 p.m. -
3 stops34h 45m
Deal found 28/10C$ 693
Thu 3/129:25 a.m. -
2 stops11h 25m
Mon 7/1212:30 p.m. -
2 stops15h 05m
Deal found 29/10C$ 776
Fri 4/129:25 a.m. -
2 stops11h 25m
Tue 8/1210:45 a.m. -
2 stops15h 35m
Deal found 27/10C$ 792
Tue 1/125:40 a.m. -
2 stops12h 15m
Wed 9/1212:30 p.m. -
2 stops14h 20m
Deal found 26/10C$ 797
Tue 1/126:30 a.m. -
2 stops11h 55m
Sat 5/125:40 a.m. -
2 stops15h 05m
Deal found 27/10C$ 803
Tue 1/125:40 a.m. -
2 stops12h 15m
Sun 6/126:35 a.m. -
2 stops15h 15m
Deal found 30/10C$ 811
Sun 6/126:35 p.m. -
2 stops13h 05m
Sat 12/125:40 a.m. -
2 stops15h 05m
Deal found 27/10C$ 818
Sat 5/1212:25 p.m. -
2 stops21h 07m
Fri 11/127:40 a.m. -
2 stops18h 18m
Deal found 29/10C$ 825
Sat 5/1211:15 p.m. -
1 stop10h 39m
Wed 9/121:58 p.m. -
1 stop10h 52m
Deal found 29/10C$ 830
Thu 3/128:09 a.m. -
1 stop10h 13m
Tue 8/122:21 p.m. -
1 stop11h 00m
Deal found 29/10C$ 857

Find flight deals from Seattle to Luis Munoz Marin Intl

Round-trip from

C$ 693

One-way from

C$ 388

Popular in

December

Cheapest in

January

Average price

C$ 774
10/12-16/12
  • 10/12-16/12
  • 6 total stops
  • 58h 43m total
  • Seattle to San Juan
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Southwest
  • Southwest
  • 8/12-31/12
  • 2 total stops
  • 11h 25m total
  • Seattle to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 71 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 46 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Wed 13/1

7:31 a.m.-12:58 a.m.

1 stop13h 27m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 415

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Sun 29/11

11:59 p.m.-4:14 p.m.

1 stop12h 15m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 415
Quickest round-trip

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Wed 24/3

8:00 a.m.-9:22 p.m.

1 stop10h 22m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 415

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 31/12

5:00 p.m.-12:58 p.m.

2 stops15h 58m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 415

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Tue 19/1

7:31 a.m.-12:58 a.m.

1 stop13h 27m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 415

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Tue 19/1

7:00 a.m.-1:32 p.m.

3 stops26h 32m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 465

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Wed 24/3

6:35 a.m.-10:10 p.m.

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 493

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Fri 6/11

6:39 p.m.-4:14 p.m.

1 stop17h 35m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 506

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Thu 17/12

9:10 a.m.-1:00 a.m.

2 stops11h 50m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 528

SeattleSan Juan

SEA Seattle/Tacoma Intl - SJU San Juan Luis Munoz Marin Intl

SEASJU

Seattle/Tacoma Intl

Sun 15/11

10:52 p.m.-4:56 p.m.

1 stop14h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-8:00 p.m.

Nonstop0h 00m

C$ 581

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Seattle to San Juan Luis Munoz Marin Intl Airport?

The best time to book flights from Seattle to San Juan Luis Munoz Marin Intl Airport is 60 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 Juan Luis Munoz Marin Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Seattle to San Juan Luis Munoz Marin Intl Airport (average of C$ 686). Flying from Seattle to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 1,212). 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 Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment.

Seattle to San Juan Luis Munoz Marin Intl Airport flights typically cost between C$ 700 and C$ 1,047 in December.
The cheapest round-trip price found within the last 5 days was C$ 693 on Multiple Airlines (10 Dec-16 Dec).

Related info for your journey

  • What airport do you fly from for flights from Seattle to San Juan Luis Munoz Marin Intl?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to San Juan Luis Munoz Marin Intl. On average, Seattle/Tacoma Intl has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to San Juan Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Seattle to San Juan Luis Munoz Marin Intl Airport in 11h 25m. Fly via Southwest, Delta, or United Airlines to get the fastest option. The distance from Seattle to San Juan Luis Munoz Marin Intl Airport is about 5992 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Seattle to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Seattle to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Seattle to Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Juan Luis Munoz Marin Intl Airport (average of C$ 686). Flying from Seattle to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 1,212). 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

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Bayamón

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