$292 Cheap Flights from Costa Rica to Seattle–Tacoma International
One-way
Departing from
Costa Rica
Going to
Seattle–Tacoma International
Seattle (SEA)
United States • May, 2026
57% AI deal score
$370 $359
Seattle (SEA)
United States • June, 2026
56% AI deal score
$498 $292
Seattle (SEA)
United States • June, 2026
56% AI deal score
$498 $292
Top Cheap Flight Deals from Costa Rica to Seattle–Tacoma International
Recent round-trip flight deals to Seattle–Tacoma International
Wed, May 27 - Mon, Jun 1
Cheapest
San José (SJO) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - San José (SJO)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
$563
$549
-$14
2%
Wed, May 27 - Tue, Jun 2
San José (SJO) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - San José (SJO)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
$563
$550
-$13
2%
Wed, May 13 - Thu, May 28
San José (SJO) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - San José (SJO)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
$563
$640
+$77
14%
Thu, May 7 - Sat, May 9
Liberia (LIR) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - Liberia (LIR)
Alaska Airlines, Inc. airlines • Direct
$370
$653
+$283
76%
Thu, Nov 26 - Mon, Nov 30
San José (SJO) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - San José (SJO)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
$475
$934
+$459
97%
Fri, May 15 - Mon, Jun 1
San José (SJO) - Seattle (SEA)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
Seattle (SEA) - San José (SJO)
Alaska Airlines, Inc. airlines • 1 stop • Los Angeles (LAX)
$1,125
$1,112
-$13
1%
The cheapest time to fly to Seattle–Tacoma International
Ready to jet to Seattle–Tacoma International on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from Costa Rica to Seattle
To help you plan your journey, here are some quick Seattle flight facts and tips.
Seattle airports
Seattle boasts a trio of airports catering to diverse travel needs. Seattle–Tacoma International Airport (SEA), or SeaTac, is the region's primary international and domestic hub, offering a vast network of flights and airlines. For a unique travel experience, Kenmore Air Harbor Seaplane Base (LKE) provides scenic seaplane flights to the San Juan Islands and other destinations in the Pacific Northwest. Boeing Field (BFI), officially King County International Airport, primarily serves cargo, private, and corporate aviation, acting as a reliever airport for SeaTac.
Seattle–Tacoma International (SEA)
Seattle, United States
Kenmore Air Harbor Seaplane Base (LKE)
Seattle, United States
Boeing Field (BFI)
Seattle, United States
Pro tip: search “Seattle (Any)” to see fares to all Seattle airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Seattle–Tacoma International
Cheapest airport
Seattle-Tacoma International Airport (SEA)
Welcome to Seattle-Tacoma International Airport (SEA), your gateway to the Emerald City! SEA is known for its stunning views of the Olympic Mountains and Puget Sound, as well as its commitment to sustainability, making your arrival both scenic and eco-friendly.
Nonstop vs. 1-stop
50+ cities
Flights through Seattle connect you to over 50 cities, making it a key secondary airport for reaching destinations across North America and beyond! Popular routes include connections to Anchorage, Vancouver, and even some transpacific destinations.
Number of airlines
30+ airlines
Over 30 airlines operate flights in and out of Seattle, offering a variety of options for travelers; some popular choices include Alaska Airlines, Delta, and JetBlue.
SEA Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SEA airport insights
Best days to catch a deal
Sun, Wed
Based on the data, Sunday is the best day to find flight deals from Seattle-Tacoma International Airport, followed by Wednesday. Saturday and Thursday are also good days to look for deals.
Avg. deal survival time
19.5 hours
Deals from Seattle–Tacoma International Airport last an average of 19.5 hours. This means you should book quickly if you see a deal you like!
Rare deal frequency
13 deals
We uncovered 13 rare flight deals for Seattle–Tacoma International Airport in the last month. These rare deals earned an AI Deal Score of 90+, indicating they were likely mistake fares, special promotions, or ultra-discounts.
Average price drop
-65%
The average price drop for flights departing from Seattle–Tacoma International Airport is 64.7%, offering substantial savings for savvy travelers. This significant decrease highlights the potential for finding great deals on flights from this location.
Next 4 weeks: deal forecast
Seattle-Tacoma International Airport Flight Forecast (May 2026)
Based on current data, flight prices to and from Seattle-Tacoma International Airport in May 2026 are expected to remain relatively stable. There are no significant price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on April 1
Saskatoon - SEA
$708 → $129
82%
Found on March 30
Denpasar - SEA
$3,200 → $601
81%
Found on April 1
Pendleton - SEA
$750 → $159
79%
Found on March 29
Cephalonia - SEA
$1,675 → $474
72%
Found on March 31
Grande Prairie - SEA
$880 → $245
72%
Check these nearby airports too
Looking for more options? These airports near SEA sometimes drop rare deals too:
Boeing Field (BFI)
~4 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially BFI for long-haul deal surprises.
When Is the Best Time to Fly from Costa Rica to Seattle–Tacoma International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Seattle–Tacoma International:
Cheapest month
January
Cheapest month
If you're dreaming of visiting the Emerald City without emptying your wallet, January is your golden ticket! The weather might be a bit drizzly, but the lower prices and fewer crowds make it the perfect time to explore Seattle's indoor attractions. From the Museum of Pop Culture to the vibrant Pike Place Market, you'll find plenty to keep you entertained, all while saving some serious cash.
Best day to book
Tuesday
Best day to book
Ready to snag the best flight deal to Seattle? Tuesdays are statistically the sweet spot for booking flights! Airlines often release new deals early in the week, making Tuesday the prime time to pounce on discounted fares. So set a reminder, grab your favorite beverage, and get ready to book your Seattle adventure without breaking the bank.
Cheapest days to fly
Wednesday
Cheapest days to fly
To save even more money on your Seattle flight, consider flying on a Wednesday. Mid-week flights tend to be less expensive as business travel slows down. You can enjoy a less crowded airport experience and have more money in your pocket to experience Seattle's coffee scene!
Advance booking sweet spot
2 months
Advance booking sweet spot
For Seattle flights, booking about two months in advance is often the sweet spot. This timeframe typically allows you to find a balance between availability and affordability. Start your search early, keep an eye on prices, and get ready to explore the beautiful Pacific Northwest!
Seattle–Tacoma International Airports & Ground Transportation
One big question for travelers is which Seattle–Tacoma International airport to fly into. Here’s a quick guide to Seattle–Tacoma International’s airports and how to get to the city from each:
Seattle-Tacoma International Airport (SEA)
Welcome to Seattle-Tacoma International Airport, or as locals call it, SeaTac! This bustling hub is your gateway to the Emerald City, offering stunning views of the Olympic Mountains on a clear day. Inside, you'll find a wide array of shops, restaurants, and even live music to keep you entertained while waiting for your flight. Getting downtown is a breeze, thanks to the Link light rail that connects the airport directly to the city center. For a smooth trip, consider using the airport's mobile app to navigate and track your flight.
Tip: Download the SeaTac app for real-time updates and easy navigation.
Snohomish County Airport (PAE)
Also known as Paine Field, this airport offers a convenient alternative to SeaTac, especially if you're heading to areas north of Seattle. Although smaller, it provides a more relaxed atmosphere and easier navigation. While amenities are more limited compared to SeaTac, you'll still find essential services and a few local eateries. Reaching downtown Seattle from Paine Field typically involves a combination of public transportation and ridesharing, so plan your route accordingly. Check out the Boeing Factory Tour located right next to the field!
What to Do in Seattle
Seattle isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Seattle, organized by interest:
Sightseeing & landmarks
Seattle is a city brimming with iconic sights! From the towering Space Needle offering panoramic views to the bustling Pike Place Market, there's always something to capture your attention. Don't forget to explore the historic Pioneer Square and the scenic waterfront.
Arts & culture
Seattle's arts scene is as vibrant as its coffee! Dive into the Museum of Pop Culture (MoPOP) for a quirky experience or explore the Seattle Art Museum (SAM) for diverse collections. Catch a show at the historic Paramount Theatre for a touch of glamour!
Food & nightlife
Get ready for a culinary adventure in Seattle! From fresh seafood at Ivar's to the original Starbucks, your taste buds are in for a treat. As night falls, explore the lively bars and music venues in Belltown or Capitol Hill.
Shopping & fashion
Shopaholics, rejoice! Seattle offers a range of shopping experiences, from high-end boutiques in downtown to quirky independent stores in Ballard. Don't miss the flagship Nordstrom store for a true Seattle fashion experience or visit University Village for a collection of upscale retailers.
Nearby getaways
Need a break from the city? Seattle is surrounded by stunning natural beauty. Take a ferry to the San Juan Islands for whale watching, hike in the Cascade Mountains, or explore the Olympic National Park for breathtaking landscapes. These destinations provide amazing short trips!
Events in Seattle This Month
abyecta with nightfeeder, mässgrief and fan club
Don't miss ABYECTA (fast punk from Chile) joined by Seattle's own NIGHTFEEDER, FAN CLUB & MASS GRIEF! Tickets are $15 in advance ($18.85 after fees) or $20 at the door ($25.14 after fees).
composition in the field - photography workshop
Attend photography workshops led by a professional photographer. These instructional sessions will cover camera controls followed by hands-on practice, guided by experienced DPA Instructors.
socialist soccer! 2pm – 4pm
Join fellow socialists for a fun soccer game! It's a great way to get outdoors, exercise, and connect with friendly socialists and soccer enthusiasts of all skill levels and genders.
socialist soccer! 2pm – 4pm
Join fellow socialists for a fun soccer game! It's a great way to get outdoors, exercise, and connect with friendly socialists and soccer enthusiasts of all skill levels and genders.
Seattle Weather
Weather in Seattle
Tue, Mar 31
10%
13° 2°
10%
Wed, Apr 1
Frequently Asked Questions About Flights to Seattle–Tacoma International
Pro Tips for Finding Cheap Flights to Seattle–Tacoma International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Seattle–Tacoma International flights:
Be a Flexible Flyer: Seattle's calling, but your dates shouldn't be set in stone! Mid-week flights and off-season travel are your secret weapons for snagging sweet deals. Think outside the weekend box for maximum savings!
Become a Booking Buffer: Patience, young grasshopper! Booking 2-3 months ahead for domestic flights to Seattle often unlocks better prices. Avoid the last-minute scramble, unless you enjoy paying a premium for the privilege.
