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Cheap flights from Montana to Castries from $833

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Castries departing on 8/12. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Montana to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:35 am - 2:08 pm
BIL
-
UVF
24h 33m
2 stops
Delta Logo
3:28 pm - 11:00 am
UVF
-
BIL
21h 32m
2 stops
$833Delta
Wed, Aug 12 - Wed, Aug 26
Delta Logo
11:35 am - 2:08 pm
BIL
-
UVF
24h 33m
2 stops
Delta Logo
3:28 pm - 11:00 am
UVF
-
BIL
21h 32m
2 stops
$898Delta
Wed, Aug 12 - Wed, Aug 26
American Airlines Logo
7:00 am - 2:09 pm
BIL
-
UVF
29h 09m
2 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
2 stops
$913American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
12:28 pm - 2:09 pm
BIL
-
UVF
23h 41m
2 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
2 stops
$933American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
2:18 pm - 12:05 pm
MSO
-
UVF
19h 47m
2 stops
American Airlines Logo
2:48 pm - 4:14 pm
UVF
-
MSO
27h 26m
2 stops
$994American Airlines
Mon, May 25 - Fri, May 29
American Airlines Logo
12:35 pm - 2:00 pm
BIL
-
UVF
23h 25m
2 stops
American Airlines Logo
3:14 pm - 12:45 pm
UVF
-
BIL
23h 31m
2 stops
$1,345American Airlines
Sat, Jul 25 - Thu, Jul 30
American Airlines Logo
1:13 pm - 2:09 pm
BIL
-
UVF
22h 56m
3 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
3 stops
$2,638American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 2:09 pm
BIL
-
UVF
22h 56m
3 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
3 stops
$2,656American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 2:09 pm
BIL
-
UVF
22h 56m
3 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
3 stops
$2,676American Airlines
Tue, Sep 1 - Tue, Sep 15
American Airlines Logo
1:13 pm - 2:09 pm
BIL
-
UVF
22h 56m
3 stops
American Airlines Logo
4:00 pm - 11:45 am
UVF
-
BIL
21h 45m
2 stops
$2,699American Airlines
Tue, Sep 1 - Tue, Sep 15

Delta flights from Montana to Castries

Our best Delta deals on Montana to Castries flight tickets
Delta
Aug 12
BIL11:35 amBillings Logan Intl
24h 33m
2 stops
UVF2:08 pmCastries Hewanorra
Aug 26
UVF3:28 pmCastries Hewanorra
21h 32m
2 stops
BIL11:00 amBillings Logan Intl
$833
Delta
Aug 12
BIL11:35 amBillings Logan Intl
24h 33m
2 stops
UVF2:08 pmCastries Hewanorra
Aug 26
UVF3:28 pmCastries Hewanorra
21h 32m
2 stops
BIL11:00 amBillings Logan Intl
$898

American Airlines flights from Montana to Castries

Our best American Airlines deals on Montana to Castries flight tickets
American Airlines
Sep 1
BIL7:00 amBillings Logan Intl
29h 09m
2 stops
UVF2:09 pmCastries Hewanorra
Sep 15
UVF4:00 pmCastries Hewanorra
21h 45m
2 stops
BIL11:45 amBillings Logan Intl
$913
American Airlines
Sep 1
BIL12:28 pmBillings Logan Intl
23h 41m
2 stops
UVF2:09 pmCastries Hewanorra
Sep 15
UVF4:00 pmCastries Hewanorra
21h 45m
2 stops
BIL11:45 amBillings Logan Intl
$933
American Airlines
May 25
MSO2:18 pmMissoula Johnson-Bell Field
19h 47m
2 stops
UVF12:05 pmCastries Hewanorra
May 29
UVF2:48 pmCastries Hewanorra
27h 26m
2 stops
MSO4:14 pmMissoula Johnson-Bell Field
$994

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 April 9, 2026.
Use the filters below to find and compare flights from Montana to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Wed 8/12

11:35 am-2:08 pm

2 stops24h 33m

Castries Hewanorra

Wed 8/26

3:28 pm-11:00 am

2 stops21h 32m

$833

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Wed 8/12

11:35 am-2:08 pm

2 stops24h 33m

Castries Hewanorra

Wed 8/26

3:28 pm-11:00 am

2 stops21h 32m

$898

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

7:00 am-2:09 pm

2 stops29h 09m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

2 stops21h 45m

$913

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

12:28 pm-2:09 pm

2 stops23h 41m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

2 stops21h 45m

$933

MissoulaCastries

MSO - UVF

MSOUVF

Missoula Johnson-Bell Field

Mon 5/25

2:18 pm-12:05 pm

2 stops19h 47m

Castries Hewanorra

Fri 5/29

2:48 pm-4:14 pm

2 stops27h 26m

$994

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Sat 7/25

12:35 pm-2:00 pm

2 stops23h 25m

Castries Hewanorra

Thu 7/30

3:14 pm-12:45 pm

2 stops23h 31m

$1,345
Quickest round-trip

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-2:09 pm

3 stops22h 56m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

3 stops21h 45m

$2,638

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-2:09 pm

3 stops22h 56m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

3 stops21h 45m

$2,656

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-2:09 pm

3 stops22h 56m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

3 stops21h 45m

$2,676

BillingsCastries

BIL - UVF

BILUVF

Billings Logan Intl

Tue 9/1

1:13 pm-2:09 pm

3 stops22h 56m

Castries Hewanorra

Tue 9/15

4:00 pm-11:45 am

2 stops21h 45m

$2,699

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 Montana 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

How long does it take to fly to Castries?

Flight times from Montana to Castries vary, but if you’re flying out of Missoula and flying into Castries (one of the most popular routes), then the duration is 22h 22m on average. Another popular route from Montana to Castries is flying from Billings to Castries, which will take roughly 24h 33m. Keep in mind that layovers or delays could extend your travel time.

Cheap Montana to Castries flight deals and tips

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

Fastest flight time

22h 22m

Direct flights

None
The fastest flight from Montana to Castries takes 22h 22m
There are no direct flights from Montana to Castries. There are no popular flight routes from Montana to Castries.
Search flight deals

Frequently asked questions about flying from Montana to Castries

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana 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.

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 Montana to Castries?

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

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

Yes. momondo enables you to select and highlight flights to Castries from Montana with this policy.

How can momondo help me find flights from Montana 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 Montana.

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

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from Montana and alert you when they change.

An easier way to manage your Castries trip

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport