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

Prices for flights from Helena Airport to Thailand refresh daily.

How old do you have to be to fly from Helena Airport to Thailand?

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 Helena Airport to Thailand.

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

The travel and health documents you'll need for your trip to Thailand 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 Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$866 Cheap Flights from Helena to Thailand in 2025/26

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Find the cheapest flights from Helena to Thailand

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:59 pm - 12:35 pmHLN-BKK

28h 36m2 stops

1:45 pm - 3:43 pmBKK-HLN

39h 58m2 stops

$865Multiple Airlines

Find Deal

Fri, Feb 6 - Tue, Mar 3

5:59 pm - 4:30 pmHLN-BKK

32h 31m2 stops

5:40 pm - 3:43 pmBKK-HLN

60h 03m2 stops

$866Multiple Airlines

Find Deal

Fri, Feb 6 - Tue, Mar 3

2:27 pm - 11:25 amHLN-BKK

30h 58m3 stops

4:55 pm - 9:16 pmBKK-HLN

42h 21m3 stops

$930United Airlines

Find Deal

Sun, Feb 8 - Tue, Feb 17

2:27 pm - 11:25 amHLN-BKK

54h 58m3 stops

4:55 pm - 9:16 pmBKK-HLN

42h 21m3 stops

$943United Airlines

Find Deal

Sat, Feb 7 - Thu, Feb 19

5:30 am - 12:45 amHLN-BKK

29h 15m2 stops

12:55 am - 10:38 pmBKK-HLN

35h 43m2 stops

$956Delta

Find Deal

Thu, Feb 5 - Mon, Mar 2

1:10 pm - 11:20 pmHLN-BKK

44h 10m2 stops

12:55 am - 10:38 pmBKK-HLN

35h 43m2 stops

$962Delta

Find Deal

Wed, Feb 4 - Mon, Mar 2

5:59 pm - 12:35 pmHLN-BKK

28h 36m2 stops

2:15 am - 3:43 pmBKK-HLN

51h 28m2 stops

$1,164EVA Air

Find Deal

Thu, Feb 5 - Wed, Feb 18

5:59 pm - 11:35 pmHLN-BKK

39h 36m2 stops

8:05 am - 3:43 pmBKK-HLN

21h 38m2 stops

$1,247Alaska Airlines

Find Deal

Tue, Feb 3 - Wed, Feb 18

5:59 pm - 11:35 pmHLN-BKK

39h 36m2 stops

8:05 am - 3:43 pmBKK-HLN

21h 38m2 stops

$1,431Alaska Airlines

Find Deal

Wed, Feb 4 - Wed, Mar 4

5:59 pm - 11:10 amHLN-BKK

27h 11m2 stops

2:15 am - 3:43 pmBKK-HLN

51h 28m2 stops

$1,445EVA Air

Find Deal

Fri, Feb 6 - Thu, Feb 19

United Airlines flights from Helena to Thailand

Our best United Airlines deals on Helena to Thailand flight tickets

United Airlines

Feb 8

HLN2:27 pmHelena

30h 58m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 17

BKK4:55 pmBangkok Suvarnabhumi

42h 21m

3 stops

HLN9:16 pmHelena

$930

Find similar

United Airlines

Feb 7

HLN2:27 pmHelena

54h 58m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 19

BKK4:55 pmBangkok Suvarnabhumi

42h 21m

3 stops

HLN9:16 pmHelena

$943

Find similar

United Airlines

Feb 6

HLN2:27 pmHelena

30h 58m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 26

BKK4:55 pmBangkok Suvarnabhumi

34h 45m

3 stops

HLN1:40 pmHelena

$950

Find similar

Delta flights from Helena to Thailand

Our best Delta deals on Helena to Thailand flight tickets

Delta

Feb 5

HLN5:30 amHelena

29h 15m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Mar 2

BKK12:55 amBangkok Suvarnabhumi

35h 43m

2 stops

HLN10:38 pmHelena

$956

Find similar

Delta

Feb 4

HLN1:10 pmHelena

44h 10m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Mar 2

BKK12:55 amBangkok Suvarnabhumi

35h 43m

2 stops

HLN10:38 pmHelena

$962

Find similar

Delta

Feb 5

HLN5:30 amHelena

27h 50m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Mar 5

BKK2:05 amBangkok Suvarnabhumi

34h 33m

2 stops

HLN10:38 pmHelena

$996

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Fri 2/6

5:59 pm-12:35 pm

2 stops28h 36m

Bangkok Suvarnabhumi

Tue 3/3

1:45 pm-3:43 pm

2 stops39h 58m

$865

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Fri 2/6

5:59 pm-4:30 pm

2 stops32h 31m

Bangkok Suvarnabhumi

Tue 3/3

5:40 pm-3:43 pm

2 stops60h 03m

$866

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Sun 2/8

2:27 pm-11:25 am

3 stops30h 58m

Bangkok Suvarnabhumi

Tue 2/17

4:55 pm-9:16 pm

3 stops42h 21m

$930

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Sat 2/7

2:27 pm-11:25 am

3 stops54h 58m

Bangkok Suvarnabhumi

Thu 2/19

4:55 pm-9:16 pm

3 stops42h 21m

$943

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Thu 2/5

5:30 am-12:45 am

2 stops29h 15m

Bangkok Suvarnabhumi

Mon 3/2

12:55 am-10:38 pm

2 stops35h 43m

$956

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Wed 2/4

1:10 pm-11:20 pm

2 stops44h 10m

Bangkok Suvarnabhumi

Mon 3/2

12:55 am-10:38 pm

2 stops35h 43m

$962

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Thu 2/5

5:59 pm-12:35 pm

2 stops28h 36m

Bangkok Suvarnabhumi

Wed 2/18

2:15 am-3:43 pm

2 stops51h 28m

$1,164

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Tue 2/3

5:59 pm-11:35 pm

2 stops39h 36m

Bangkok Suvarnabhumi

Wed 2/18

8:05 am-3:43 pm

2 stops21h 38m

$1,247

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Wed 2/4

5:59 pm-11:35 pm

2 stops39h 36m

Bangkok Suvarnabhumi

Wed 3/4

8:05 am-3:43 pm

2 stops21h 38m

$1,431

HelenaBangkok

HLN - BKK

HLNBKK

Helena

Fri 2/6

5:59 pm-11:10 am

2 stops27h 11m

Bangkok Suvarnabhumi

Thu 2/19

2:15 am-3:43 pm

2 stops51h 28m

$1,445

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Helena 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

What airlines fly to Thailand?

United Airlines, EVA Air and Delta are the top three most popular airlines that fly to Thailand from Helena according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 3 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Cheap Helena to Thailand flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Helena Airport to Thailand?
Prices for flights from Helena Airport to Thailand refresh daily.
How old do you have to be to fly from Helena Airport to Thailand?
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 Helena Airport to Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents you'll need for your trip to Thailand 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 Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

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

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

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 Thailand from Helena.

I’m not ready to book a flight from Helena 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 Helena and alert you when they change.