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Culebra

$3,019+ Cheap flights from Seattle (SEA) to Culebra (CPX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Seattle to Culebra

Cheapest flights from Seattle to Culebra
Explore the most affordable flight options available from Seattle to Culebra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/2311:15 pmSEA - CPX
2 stops12h 58mUnited Airlines
Sat 1/310:30 amCPX - SEA
2 stops35h 36mUnited Airlines
Deal found 10/26$3,019
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/2011:09 pmSEA - CPX
2 stops13h 04mUnited Airlines
Sat 12/2710:30 amCPX - SEA
2 stops16h 42mUnited Airlines
Deal found 10/27$3,186
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/2111:15 pmSEA - CPX
2 stops12h 58mUnited Airlines
Sat 1/310:30 amCPX - SEA
2 stops27h 26mUnited Airlines
Deal found 10/26$3,335
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 12/229:06 amSEA - CPX
3 stops51h 07mUnited Airlines
Sat 1/310:30 amCPX - SEA
2 stops31h 28mUnited Airlines
Deal found 10/26$3,349
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/2011:09 pmSEA - CPX
2 stops13h 04mUnited Airlines
Sun 12/2810:30 amCPX - SEA
3 stops33h 54mUnited Airlines
Deal found 10/27$3,375

Cheap 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 October 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$3,019
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$459
Provider with most accurate pricing for Seattle/Tacoma Intl-Culebra flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Culebra flights.
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From Seattle/Tacoma Intl to Culebra
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 29, 2025.
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

Tue 12/23

11:15 pm-4:13 pm

2 stops12h 58m

Culebra

Sat 1/3

10:30 am-6:06 pm

2 stops35h 36m

$3,019

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sat 12/20

11:09 pm-4:13 pm

2 stops13h 04m

Culebra

Sat 12/27

10:30 am-11:12 pm

2 stops16h 42m

$3,186

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sat 12/20

11:15 pm-4:13 pm

2 stops12h 58m

Culebra

Sun 12/28

10:30 am-11:12 pm

2 stops16h 42m

$3,186

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Mon 12/22

11:09 pm-4:13 pm

2 stops13h 04m

Culebra

Sat 1/3

10:30 am-1:58 pm

2 stops31h 28m

$3,335

SeattleCulebra

SEA - CPX

SEACPX

Seattle/Tacoma Intl

Sun 12/21

11:15 pm-4:13 pm

2 stops12h 58m

Culebra

Sat 1/3

10:30 am-9:56 am

2 stops27h 26m

$3,335

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

  • 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 90-95% 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 $321). Flying from Seattle to Culebra in July is currently the most expensive (average of $479). 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.

  • How long is the flight from Seattle to Culebra?

    A quick flight from Seattle to Culebra can take about 12h 58m. United Airlines provides one of the quickest options available for as low as $3,019. Seattle and Culebra are separated by a distance of 3761 mi.

  • 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 $321). Flying from Seattle to Culebra in July is currently the most expensive (average of $479). 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.

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