HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Culebra

$948+ Cheap flights from Seattle (SEA) to Culebra (CPX)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Culebra with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Culebra

One-way flights from Seattle to Culebra
Search for one-way flight options from Seattle to Culebra. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 3/1411:59 pm
SEA
-
CPX
2 stops13h 14m
United Airlines
Deal found 1/27$948
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/155:20 pm
SEA
-
CPX
3 stops19h 53m
United Airlines
Deal found 1/27$1,498

Find flight deals from Seattle to Culebra

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Culebra (CPX). 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 January 29, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Popular in

December

Cheapest in

October

Average price

$479
Provider with most accurate pricing for Seattle/Tacoma Intl-Culebra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Culebra flights.
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Culebra 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 January 29, 2026.
Use the filters below to find and compare flights from Seattle to Culebra that are best for you.

Fly from

Seattle

Fly to

Culebra

Route

Depart

Return

Price

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sat 3/14

5:20 pm-4:13 pm

3 stops19h 53m

$948

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sun 3/15

5:20 pm-4:13 pm

3 stops19h 53m

$1,498

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Seattle-Culebra flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-Culebra flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Seattle-Culebra flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Culebra flights, Cheapflights users trust Expedia the most. Expedia 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-Culebra 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 Culebra

Have a flexible travel schedule? Discover the best time to fly to Culebra from Seattle with our price prediction graph.
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 Culebra

What is the cheapest month to book a flight from Seattle to Culebra?

Currently, March is the cheapest month in which you can book a flight from Seattle to Culebra (average of $285). Flying from Seattle to Culebra in July is currently the most expensive (average of $477). 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Culebra. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Seattle to Culebra that include hotel bookings?

    Yes. In addition to deals on Seattle to Culebra flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Culebra?

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

  • Can I find deals for business class flights from Seattle to Culebra?

    Yes. Cheapflights offers flight deals from Seattle to Culebra 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 Culebra?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Culebra (average of $285). Flying from Seattle to Culebra in July is currently the most expensive (average of $477). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.