What is the cheapest airline that flies from Colorado to Thailand?

China Eastern, Cathay Pacific, and United Airlines are the most popular carriers operating from Colorado to Thailand

What airlines fly to Thailand?

United Airlines, Air Canada and Turkish Airlines are the top three most popular airlines that fly to Thailand from Colorado according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 16 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

How long is the flight from Colorado to Thailand?

The flight from Colorado to Thailand depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Denver (a popular airport in Colorado) to Bangkok Suvarnabhumi Airport (the most popular airport in Thailand), then the flight time is 23h 20m on average. If you fly from Aspen (another popular airport in Colorado) to Bangkok Suvarnabhumi Airport, then the average flight time is 25h 58m.

When did momondo last update prices for flights from Colorado to Thailand?

Prices for flights from Colorado to Thailand are refreshed on a daily basis.

How many operators does momondo search for flights from Colorado to Thailand?

As of December 2025, there are 16 operators available to choose from for flights from Colorado to Thailand.

How old do you have to be to fly from Colorado to Thailand?

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 Colorado to Thailand.

What documentation or ID do you need to fly to Thailand?

The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$367 Cheap Flights from Colorado to Thailand in 2025/26

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Find the cheapest flights from Colorado to Thailand

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:14 am - 9:05 am

DEN

CNX

36h 51m3 stops

3:35 pm - 6:10 pm

CNX

DEN

40h 35m2 stops

$806China Eastern

Wed, Jan 7 - Tue, Jan 27

6:14 am - 3:25 pm

DEN

CNX

43h 11m3 stops

4:25 pm - 6:10 pm

CNX

DEN

39h 45m3 stops

$813China Eastern

Wed, Jan 7 - Tue, Jan 27

6:45 am - 10:10 pm

DEN

HKT

26h 25m2 stops

11:25 pm - 5:40 pm

HKT

DEN

31h 15m2 stops

$834Korean Air

Thu, Apr 23 - Thu, Apr 30

6:05 am - 2:35 pm

DEN

HKT

42h 30m2 stops

12:05 am - 6:00 pm

HKT

DEN

30h 55m2 stops

$846China Eastern

Mon, Mar 2 - Sun, Mar 8

3:21 pm - 11:25 am

GJT

BKK

30h 04m3 stops

4:55 pm - 4:54 pm

BKK

GJT

37h 59m3 stops

$898United Airlines

Mon, Jan 26 - Mon, Feb 2

7:00 am - 9:50 am

DEN

BKK

36h 50m2 stops

5:50 pm - 4:13 pm

BKK

DEN

36h 23m2 stops

$922China Airlines

Sun, Feb 1 - Sun, Feb 8

12:34 pm - 11:35 pm

DEN

BKK

45h 01m2 stops

10:05 pm - 2:29 pm

BKK

DEN

30h 24m2 stops

$924Japan Airlines

Mon, Feb 2 - Mon, Feb 9

11:25 am - 12:20 am

DEN

BKK

22h 55m1 stop

7:10 am - 12:10 pm

BKK

DEN

19h 00m1 stop

$925United Airlines

Mon, Jan 5 - Wed, Jan 21

6:30 am - 12:55 am

DEN

BKK

29h 25m2 stops

12:55 am - 5:29 pm

BKK

DEN

29h 34m2 stops

$933Korean Air

Thu, Mar 12 - Sun, Mar 22

1:34 pm - 10:25 am

DEN

CNX

30h 51m2 stops

11:25 am - 4:13 pm

CNX

DEN

42h 48m2 stops

$979China Airlines

Mon, Jan 12 - Thu, Feb 5

Air Canada flights from Colorado to Thailand

Our best Air Canada deals on Colorado to Thailand flight tickets

Air Canada

Feb 12

MTJ3:33 pmMontrose County

24h 57m

2 stops

BKK6:30 amBangkok Suvarnabhumi

Mar 12

BKK7:15 amBangkok Suvarnabhumi

25h 51m

2 stops

MTJ8:06 pmMontrose County

$1,809

Find similar

Air Canada

Jan 8

DEN7:05 pmDenver Intl

26h 00m

2 stops

CNX11:05 amChiang Mai

Jan 19

CNX4:45 pmChiang Mai

38h 59m

2 stops

DEN5:44 pmDenver Intl

$2,045

Find similar

Air Canada

Jan 9

DEN7:05 pmDenver Intl

26h 00m

2 stops

CNX11:05 amChiang Mai

Jan 17

CNX12:05 pmChiang Mai

43h 39m

2 stops

DEN5:44 pmDenver Intl

$2,116

Find similar

United Airlines flights from Colorado to Thailand

Our best United Airlines deals on Colorado to Thailand flight tickets

United Airlines

Jan 26

GJT3:21 pmGrand Junction Regnl

30h 04m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 2

BKK4:55 pmBangkok Suvarnabhumi

37h 59m

3 stops

GJT4:54 pmGrand Junction Regnl

$898

Find similar

United Airlines

Jan 5

DEN11:25 amDenver Intl

22h 55m

1 stop

BKK12:20 amBangkok Suvarnabhumi

Jan 21

BKK7:10 amBangkok Suvarnabhumi

19h 00m

1 stop

DEN12:10 pmDenver Intl

$925

Find similar

United Airlines

Jan 5

DEN6:00 amDenver Intl

33h 10m

2 stops

BKK5:10 amBangkok Suvarnabhumi

Jan 19

BKK7:10 amBangkok Suvarnabhumi

19h 00m

1 stop

DEN12:10 pmDenver Intl

$926

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverChiang Mai

DEN - CNX

DENCNX

Denver Intl

Wed 1/7

6:14 am-9:05 am

3 stops36h 51m

Chiang Mai

Tue 1/27

3:35 pm-6:10 pm

2 stops40h 35m

$806

DenverChiang Mai

DEN - CNX

DENCNX

Denver Intl

Wed 1/7

6:14 am-3:25 pm

3 stops43h 11m

Chiang Mai

Tue 1/27

4:25 pm-6:10 pm

3 stops39h 45m

$813

DenverPhuket City

DEN - HKT

DENHKT

Denver Intl

Thu 4/23

6:45 am-10:10 pm

2 stops26h 25m

Phuket City

Thu 4/30

11:25 pm-5:40 pm

2 stops31h 15m

$834

DenverPhuket City

DEN - HKT

DENHKT

Denver Intl

Mon 3/2

6:05 am-2:35 pm

2 stops42h 30m

Phuket City

Sun 3/8

12:05 am-6:00 pm

2 stops30h 55m

$846

Grand JunctionBangkok

GJT - BKK

GJTBKK

Grand Junction Regnl

Mon 1/26

3:21 pm-11:25 am

3 stops30h 04m

Bangkok Suvarnabhumi

Mon 2/2

4:55 pm-4:54 pm

3 stops37h 59m

$898

DenverBangkok

DEN - BKK

DENBKK

Denver Intl

Sun 2/1

7:00 am-9:50 am

2 stops36h 50m

Bangkok Suvarnabhumi

Sun 2/8

5:50 pm-4:13 pm

2 stops36h 23m

$922

DenverBangkok

DEN - BKK

DENBKK

Denver Intl

Mon 2/2

12:34 pm-11:35 pm

2 stops45h 01m

Bangkok Suvarnabhumi

Mon 2/9

10:05 pm-2:29 pm

2 stops30h 24m

$924

DenverBangkok

DEN - BKK

DENBKK

Denver Intl

Mon 1/5

11:25 am-12:20 am

1 stop22h 55m

Bangkok Suvarnabhumi

Wed 1/21

7:10 am-12:10 pm

1 stop19h 00m

$925

DenverBangkok

DEN - BKK

DENBKK

Denver Intl

Thu 3/12

6:30 am-12:55 am

2 stops29h 25m

Bangkok Suvarnabhumi

Sun 3/22

12:55 am-5:29 pm

2 stops29h 34m

$933

DenverChiang Mai

DEN - CNX

DENCNX

Denver Intl

Mon 1/12

1:34 pm-10:25 am

2 stops30h 51m

Chiang Mai

Thu 2/5

11:25 am-4:13 pm

2 stops42h 48m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Thailand

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

Prices

Airlines

Other information

What is the cheapest month to fly to Thailand?

The month of August is, on average, the cheapest month to fly to Thailand from Colorado, with most prices found around $928. If you are unable to visit Thailand during the month of August, then departing from Colorado during the month September is also very affordable. Most momondo users find prices during this month for around $955.

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand is on a Wednesday when prices can be found for as low as $1,197. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Saturday, with ticket prices averaging around $1,366.

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

Flying to Thailand from Colorado in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,169 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $1,449.

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,140 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Colorado for as low as $1,026 on momondo.

Can stopping save me money on Colorado to Thailand flights?

You could potentially save up to 1% on your flight if you consider stops on a Colorado to Thailand flight.

Cheap Colorado to Thailand flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Thailand

Fastest flight time	22h 55m
Direct flights	None

The fastest flight from Colorado to Thailand takes 22h 55m

There are no direct flights from Colorado to Thailand. There are no popular flight routes from Colorado to Thailand.

Search flight deals

When did momondo last update prices for flights from Colorado to Thailand?
Prices for flights from Colorado to Thailand are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Thailand?
As of December 2025, there are 16 operators available to choose from for flights from Colorado to Thailand.
How old do you have to be to fly from Colorado to Thailand?
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 Colorado to Thailand.
What documentation or ID do you need to fly to Thailand?
The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Thailand

Compare and see reviews for airlines that fly from Colorado to Thailand with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $714	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights
China Eastern	PriceFrom $737	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
STARLUX Airlines	PriceFrom $787	Free Cancellation	Rating 8.9 243 reviews	Search STARLUX Airlines flights
Turkish Airlines	PriceFrom $795	Free Cancellation	Rating 7.3 4,097 reviews	Search Turkish Airlines flights
Delta	PriceFrom $799	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
American Airlines	PriceFrom $894	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Cathay Pacific	PriceFrom $897	Free Cancellation	Rating 7.6 1,095 reviews	Search Cathay Pacific flights
ANA	PriceFrom $912	Free Cancellation	Rating 8.4 1,023 reviews	Search ANA flights
Japan Airlines	PriceFrom $916	Free Cancellation	Rating 8.3 1,655 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $928	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Thailand?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Thailand from Colorado.

Can I find flights from Colorado to Thailand with flexible booking policies on momondo?

All flight searches from Colorado to Thailand on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Thailand?

momondo helps you find the best flight between Colorado and Thailand by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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