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Cheap flights from Missoula to Castries from $1,690

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Castries departing on 1/2. 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 Missoula to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:38 pm - 1:36 pm
MSO
-
UVF
21h 58m2 stops
Delta Logo
4:25 pm - 5:38 pm
UVF
-
MSO
28h 13m2 stops
$1,690Delta
Fri, Jan 2 - Sat, Jan 10
American Airlines Logo
7:00 am - 1:04 pm
MSO
-
UVF
27h 04m2 stops
American Airlines Logo
5:02 pm - 12:50 pm
UVF
-
MSO
22h 48m3 stops
$3,213American Airlines
Fri, Jan 2 - Sat, Jan 10

momondo Fare Finder

 
Customize your flight search to find flights from Missoula 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 21, 2025.
Use the filters below to find and compare flights from Missoula to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaCastries

MSO - UVF

MSOUVF

Missoula Johnson-Bell Field

Fri 1/2

12:38 pm-1:36 pm

2 stops21h 58m

Castries Hewanorra

Sat 1/10

4:25 pm-5:38 pm

2 stops28h 13m

$1,690

MissoulaCastries

MSO - UVF

MSOUVF

Missoula Johnson-Bell Field

Fri 1/2

7:00 am-1:04 pm

2 stops27h 04m

Castries Hewanorra

Sat 1/10

5:02 pm-12:50 pm

3 stops22h 48m

$3,213

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Missoula to Castries

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

Cheap Missoula to Castries (MSO to UVF) flight deals and tips

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

Fastest flight time

21h 58m

Direct flights

None
The fastest flight from Missoula to Castries takes 21h 58m
There are no direct flights from Missoula to Castries. There are no popular flight routes from Missoula to Castries.
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  • How far is Missoula Johnson-Bell Field to Castries Hewanorra by plane?

    There are 3786.7 mi between Missoula Johnson-Bell Field and Castries Hewanorra. By plane, this route typically takes 21h 58m.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Castries Hewanorra Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to Castries Hewanorra Airport refresh daily.

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Castries Hewanorra Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to Castries Hewanorra Airport.

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

    The travel and health documents you'll need for your trip to Castries Hewanorra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Castries Hewanorra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Missoula to Castries?

    Confirm your travel details to search for the latest offers for flights from Missoula to Castries. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Missoula to Castries with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Castries?

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

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missoula to Castries. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Missoula to Castries flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Castries from Missoula. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport