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Cheap flights from Portland to Castries from $737

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Castries departing on 1/31. 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 Portland to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:22 pm - 1:46 pm
PDX
-
UVF
15h 24m2 stops
American Airlines Logo
5:02 pm - 1:21 pm
UVF
-
PDX
24h 19m2 stops
$737American Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
11:01 pm - 1:46 pm
PDX
-
UVF
10h 45m1 stop
American Airlines Logo
2:46 pm - 11:46 pm
UVF
-
PDX
13h 00m1 stop
$877American Airlines
Sat, Jan 31 - Sat, Feb 7

American Airlines flights from Portland to Castries

Our best American Airlines deals on Portland to Castries flight tickets
American Airlines
Jan 31
PDX6:22 pmPortland
15h 24m
2 stops
UVF1:46 pmCastries Hewanorra
Feb 7
UVF5:02 pmCastries Hewanorra
24h 19m
2 stops
PDX1:21 pmPortland
$737
Find similar
American Airlines
Jan 31
PDX11:01 pmPortland
10h 45m
1 stop
UVF1:46 pmCastries Hewanorra
Feb 7
UVF2:46 pmCastries Hewanorra
13h 00m
1 stop
PDX11:46 pmPortland
$877
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Castries 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 December 18, 2025.
Use the filters below to find and compare flights from Portland to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sat 1/31

6:22 pm-1:46 pm

2 stops15h 24m

Castries Hewanorra

Sat 2/7

5:02 pm-1:21 pm

2 stops24h 19m

$737

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sat 1/31

11:01 pm-1:46 pm

1 stop10h 45m

Castries Hewanorra

Sat 2/7

2:46 pm-11:46 pm

1 stop13h 00m

$877

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Castries from

How to get the cheapest flight ticket from Portland to Castries

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 day to depart on your flight to Castries?

The cheapest day to depart from Portland to Castries is on a Monday when prices can be found for as low as $649. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $918. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the evening. momondo users have found flights departing from Portland to Castries in the evening for as low as $729. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the afternoon, with an average ticket price of $770. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Castries (PDX to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Castries

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from Portland to Castries takes 17h 35m
There are no direct flights from Portland to Castries. There are no popular flight routes from Portland to Castries.
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  • How far is Portland to Castries Hewanorra by plane?

    A flight from Portland to Castries Hewanorra will travel around 4164.9 mi. In terms of flight time, this usually takes a little over 17h 35m.

  • When did momondo last update prices for flights from Portland Airport to Castries Hewanorra Airport?

    Prices for flights from Portland Airport to Castries Hewanorra Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Portland Airport to Castries Hewanorra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The necessary travel and health documents for your Castries Hewanorra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Castries?

Best airlines flying from Portland to Castries

Compare and see reviews for airlines that fly from Portland to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $657Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Castries?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Castries for you.

Can I find flights from Portland to Castries with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Castries flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Castries?

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 Castries from Portland.

I’m not ready to book a flight from Portland to Castries right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport