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Cheap flights from Colorado to Saint Thomas Island from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Saint Thomas Island departing on 7/17. 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 Colorado to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:09 pm - 12:40 pm
COS
-
STT
21h 31m
2 stops
American Airlines Logo
1:50 pm - 9:25 am
STT
-
COS
21h 35m
2 stops
$529American Airlines
Tue, Oct 6 - Tue, Oct 20
Southwest Logo
11:55 pm - 1:20 pm
DEN
-
STT
11h 25m
1 stop
Southwest Logo
2:35 pm - 8:15 am
STT
-
DEN
19h 40m
2 stops
$570Southwest
Fri, Sep 4 - Mon, Sep 7
Southwest Logo
8:40 pm - 1:20 pm
DEN
-
STT
14h 40m
2 stops
Southwest Logo
2:35 pm - 8:15 am
STT
-
DEN
19h 40m
2 stops
$590Southwest
Fri, Sep 4 - Mon, Sep 7
Southwest Logo
11:55 pm - 1:50 pm
DEN
-
STT
11h 55m
1 stop
Southwest Logo
2:35 pm - 10:00 pm
STT
-
DEN
9h 25m
2 stops
$634Southwest
Thu, Aug 6 - Mon, Aug 10
Southwest Logo
11:55 pm - 1:20 pm
DEN
-
STT
11h 25m
1 stop
Southwest Logo
2:05 pm - 9:15 pm
STT
-
DEN
9h 10m
1 stop
$640Southwest
Fri, Sep 4 - Sat, Sep 12
American Airlines Logo
11:45 pm - 4:00 pm
DEN
-
STT
14h 15m
1 stop
American Airlines Logo
2:41 pm - 11:09 pm
STT
-
DEN
10h 28m
1 stop
$660American Airlines
Tue, Jul 28 - Tue, Aug 4
JetBlue Logo
11:37 pm - 2:23 pm
DEN
-
STT
12h 46m
1 stop
JetBlue Logo
2:58 pm - 9:34 am
STT
-
DEN
20h 36m
2 stops
$662JetBlue
Thu, Jul 2 - Tue, Jul 7
Delta Logo
5:55 pm - 1:39 pm
COS
-
STT
17h 44m
2 stops
Delta Logo
2:49 pm - 9:21 pm
STT
-
COS
8h 32m
1 stop
$1,089Delta
Tue, Oct 6 - Tue, Oct 20
United Airlines Logo
6:09 pm - 3:43 pm
GJT
-
STT
19h 34m
2 stops
United Airlines Logo
1:22 pm - 8:53 am
STT
-
GJT
21h 31m
2 stops
$1,219United Airlines
Tue, May 26 - Mon, Jun 1
United Airlines Logo
6:09 pm - 3:43 pm
GJT
-
STT
19h 34m
2 stops
United Airlines Logo
1:22 pm - 12:31 pm
STT
-
GJT
25h 09m
3 stops
$1,235United Airlines
Tue, May 26 - Mon, Jun 1

American Airlines flights from Colorado to Saint Thomas Island

Our best American Airlines deals on Colorado to Saint Thomas Island flight tickets
American Airlines
Oct 6
COS1:09 pmColorado Springs
21h 31m
2 stops
STT12:40 pmSaint Thomas Island Cyril E King
Oct 20
STT1:50 pmSaint Thomas Island Cyril E King
21h 35m
2 stops
COS9:25 amColorado Springs
$529
American Airlines
Jul 28
DEN11:45 pmDenver Intl
14h 15m
1 stop
STT4:00 pmSaint Thomas Island Cyril E King
Aug 4
STT2:41 pmSaint Thomas Island Cyril E King
10h 28m
1 stop
DEN11:09 pmDenver Intl
$660
American Airlines
Nov 4
DEN6:45 pmDenver Intl
19h 10m
2 stops
STT4:55 pmSaint Thomas Island Cyril E King
Nov 11
STT4:27 pmSaint Thomas Island Cyril E King
19h 56m
1 stop
DEN9:23 amDenver Intl
$665

JetBlue flights from Colorado to Saint Thomas Island

Our best JetBlue deals on Colorado to Saint Thomas Island flight tickets
JetBlue
Jul 2
DEN11:37 pmDenver Intl
12h 46m
1 stop
STT2:23 pmSaint Thomas Island Cyril E King
Jul 7
STT2:58 pmSaint Thomas Island Cyril E King
20h 36m
2 stops
DEN9:34 amDenver Intl
$662
JetBlue
May 26
DEN1:03 pmDenver Intl
47h 39m
2 stops
STT2:42 pmSaint Thomas Island Cyril E King
Jun 12
STT3:30 pmSaint Thomas Island Cyril E King
19h 23m
2 stops
DEN8:53 amDenver Intl
$686
JetBlue
Jun 7
DEN11:41 pmDenver Intl
37h 01m
2 stops
STT2:42 pmSaint Thomas Island Cyril E King
Jun 12
STT3:30 pmSaint Thomas Island Cyril E King
19h 23m
2 stops
DEN8:53 amDenver Intl
$751

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Saint Thomas Island 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 May 10, 2026.
Use the filters below to find and compare flights from Colorado to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsSaint Thomas Island

COS - STT

COSSTT

Colorado Springs

Tue 10/6

1:09 pm-12:40 pm

2 stops21h 31m

Saint Thomas Island Cyril E King

Tue 10/20

1:50 pm-9:25 am

2 stops21h 35m

$529

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Fri 9/4

11:55 pm-1:20 pm

1 stop11h 25m

Saint Thomas Island Cyril E King

Mon 9/7

2:35 pm-8:15 am

2 stops19h 40m

$570

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Fri 9/4

8:40 pm-1:20 pm

2 stops14h 40m

Saint Thomas Island Cyril E King

Mon 9/7

2:35 pm-8:15 am

2 stops19h 40m

$590

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Thu 8/6

11:55 pm-1:50 pm

1 stop11h 55m

Saint Thomas Island Cyril E King

Mon 8/10

2:35 pm-10:00 pm

2 stops9h 25m

$634
Quickest round-trip

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Fri 9/4

11:55 pm-1:20 pm

1 stop11h 25m

Saint Thomas Island Cyril E King

Sat 9/12

2:05 pm-9:15 pm

1 stop9h 10m

$640

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Tue 7/28

11:45 pm-4:00 pm

1 stop14h 15m

Saint Thomas Island Cyril E King

Tue 8/4

2:41 pm-11:09 pm

1 stop10h 28m

$660

DenverSaint Thomas Island

DEN - STT

DENSTT

Denver Intl

Thu 7/2

11:37 pm-2:23 pm

1 stop12h 46m

Saint Thomas Island Cyril E King

Tue 7/7

2:58 pm-9:34 am

2 stops20h 36m

$662

Colorado SpringsSaint Thomas Island

COS - STT

COSSTT

Colorado Springs

Tue 10/6

5:55 pm-1:39 pm

2 stops17h 44m

Saint Thomas Island Cyril E King

Tue 10/20

2:49 pm-9:21 pm

1 stop8h 32m

$1,089

Grand JunctionSaint Thomas Island

GJT - STT

GJTSTT

Grand Junction Regnl

Tue 5/26

6:09 pm-3:43 pm

2 stops19h 34m

Saint Thomas Island Cyril E King

Mon 6/1

1:22 pm-8:53 am

2 stops21h 31m

$1,219

Grand JunctionSaint Thomas Island

GJT - STT

GJTSTT

Grand Junction Regnl

Tue 5/26

6:09 pm-3:43 pm

2 stops19h 34m

Saint Thomas Island Cyril E King

Mon 6/1

1:22 pm-12:31 pm

3 stops25h 09m

$1,235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Colorado to Saint Thomas Island

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 month to fly to Saint Thomas Island?

The month of June is another great option to travel to Saint Thomas Island, with average flight prices from Colorado averaging around $176.

How far in advance should I book a flight from Colorado to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $697 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Colorado for as low as $356 on momondo.

Can stopping save me money on Colorado to Saint Thomas Island flights?

You could potentially save up to 23% on your flight if you consider stops on a Colorado to Saint Thomas Island flight.

Cheap Colorado to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Saint Thomas Island

Fastest flight time

7h 35m

Direct flights

None
The fastest flight from Colorado to Saint Thomas Island takes 7h 35m
There are no direct flights from Colorado to Saint Thomas Island. There are no popular flight routes from Colorado to Saint Thomas Island.
Search flight deals

Frequently asked questions about flying from Colorado to Saint Thomas Island

  • When did momondo last update prices for flights from Colorado to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Colorado to Saint Thomas Island Cyril E King Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Colorado to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Colorado to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Saint Thomas Island

Compare and see reviews for airlines that fly from Colorado to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $162Free CancellationRating
5.6
2,955 reviews
Search Frontier flights
SouthwestPriceFrom $521Free CancellationRating
8.0
4,304 reviews
Search Southwest flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
American AirlinesPriceFrom $590Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Saint Thomas Island?

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 Colorado to Saint Thomas Island for you.

Can I find flights from Colorado to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Thomas Island from Colorado with this policy.

How can momondo help me find flights from Colorado to Saint Thomas Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Saint Thomas Island.

I’m not ready to book a flight from Colorado to Saint Thomas Island right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Colorado to Saint Thomas Island now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Thomas Island and let you know when they change.

An easier way to manage your Saint Thomas Island trip

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