What is the cheapest airline that flies from Montana to Vietnam?

United Airlines is the most popular carrier operating from Montana to Vietnam

When did momondo last update prices for flights from Montana to Vietnam?

Prices for flights from Montana to Vietnam are updated daily.

How many operators does momondo search for flights from Montana to Vietnam?

The number of operators available for flights from Montana to Vietnam is 1 as of September 2026.

How old do you have to be to fly from Montana to Vietnam?

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 Vietnam.

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

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

$522 Cheap Flights from Montana to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Vietnam

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:57 pm - 10:05 pmBIL Billings Logan Intl-SGN Ho Chi Minh City

63h 08m3 stops Denver Intl Los Angeles Hong Kong Intl

11:15 pm - 10:51 pmSGN Ho Chi Minh City-BIL Billings Logan Intl

36h 36m2 stops Tokyo Haneda Denver Intl

$1,008United Airlines

Sat, Sep 19 - Sun, Oct 4

5:00 am - 10:05 pmBIL Billings Logan Intl-SGN Ho Chi Minh City

28h 05m3 stops Denver Intl Los Angeles Hong Kong Intl

7:00 am - 9:46 amSGN Ho Chi Minh City-BIL Billings Logan Intl

39h 46m3 stops Hong Kong Intl Los Angeles Denver Intl

$1,036United Airlines

Mon, Oct 19 - Fri, Oct 23

5:57 pm - 10:05 pmBIL Billings Logan Intl-SGN Ho Chi Minh City

63h 08m3 stops Denver Intl Los Angeles Hong Kong Intl

7:00 am - 10:51 pmSGN Ho Chi Minh City-BIL Billings Logan Intl

28h 51m3 stops Hong Kong Intl Los Angeles Denver Intl

$1,048United Airlines

Sat, Sep 19 - Sun, Oct 4

7:00 am - 12:15 amBIL Billings Logan Intl-SGN Ho Chi Minh City

28h 15m2 stops Denver Intl Tokyo Narita

11:15 pm - 9:10 pmSGN Ho Chi Minh City-BIL Billings Logan Intl

34h 55m2 stops Tokyo Haneda Denver Intl

$1,077United Airlines

Sat, Sep 19 - Sun, Oct 4

4:15 pm - 10:55 pmBIL Billings Logan Intl-SGN Ho Chi Minh City

40h 40m3 stops Denver Intl Los Angeles Hong Kong Intl

6:00 am - 9:33 amSGN Ho Chi Minh City-BIL Billings Logan Intl

41h 33m3 stops Hong Kong Intl Los Angeles Denver Intl

$1,096United Airlines

Tue, Jan 5 - Fri, Jan 15

7:32 pm - 1:50 pmBIL Billings Logan Intl-SGN Ho Chi Minh City

53h 18m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:00 pm - 6:52 pmSGN Ho Chi Minh City-BIL Billings Logan Intl

35h 52m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$1,105Qatar Airways

Mon, Oct 19 - Fri, Oct 23

5:30 am - 2:20 pmFCA Kalispell Glacier Park-DAD Da Nang

43h 50m2 stops Salt Lake City Incheon Intl

3:55 pm - 10:57 pmDAD Da Nang-FCA Kalispell Glacier Park

44h 02m2 stops Incheon Intl Salt Lake City

$1,762Korean Air

Mon, Oct 19 - Fri, Oct 23

5:30 am - 2:20 pmFCA Kalispell Glacier Park-DAD Da Nang

43h 50m2 stops Salt Lake City Incheon Intl

3:55 pm - 10:57 pmDAD Da Nang-FCA Kalispell Glacier Park

44h 02m2 stops Incheon Intl Salt Lake City

$1,810Korean Air

Mon, Oct 19 - Fri, Oct 23

5:30 am - 9:05 pmFCA Kalispell Glacier Park-DAD Da Nang

26h 35m2 stops Salt Lake City Incheon Intl

3:55 pm - 10:57 pmDAD Da Nang-FCA Kalispell Glacier Park

44h 02m2 stops Incheon Intl Salt Lake City

$1,910Korean Air

Mon, Oct 19 - Fri, Oct 23

5:30 am - 2:20 pmFCA Kalispell Glacier Park-DAD Da Nang

43h 50m2 stops Salt Lake City Incheon Intl

3:55 pm - 10:57 pmDAD Da Nang-FCA Kalispell Glacier Park

44h 02m2 stops Incheon Intl Salt Lake City

$1,923Korean Air

Mon, Oct 19 - Fri, Oct 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Montana to Vietnam

Our best United Airlines deals on Montana to Vietnam flight tickets

United Airlines

Sep 19

BIL5:57 pmBillings Logan Intl

63h 08m

3 stops

SGN10:05 pmHo Chi Minh City

Oct 4

SGN11:15 pmHo Chi Minh City

36h 36m

2 stops

BIL10:51 pmBillings Logan Intl

$1,008

United Airlines

Oct 19

BIL5:00 amBillings Logan Intl

28h 05m

3 stops

SGN10:05 pmHo Chi Minh City

Oct 23

SGN7:00 amHo Chi Minh City

39h 46m

3 stops

BIL9:46 amBillings Logan Intl

$1,036

United Airlines

Sep 19

BIL5:57 pmBillings Logan Intl

63h 08m

3 stops

SGN10:05 pmHo Chi Minh City

Oct 4

SGN7:00 amHo Chi Minh City

28h 51m

3 stops

BIL10:51 pmBillings Logan Intl

$1,048

Qatar Airways flights from Montana to Vietnam

Our best Qatar Airways deals on Montana to Vietnam flight tickets

Qatar Airways

Oct 19

BIL7:32 pmBillings Logan Intl

53h 18m

2 stops

SGN1:50 pmHo Chi Minh City

Oct 23

SGN8:00 pmHo Chi Minh City

35h 52m

2 stops

BIL6:52 pmBillings Logan Intl

$1,105

Qatar Airways

Oct 19

BIL7:41 amBillings Logan Intl

41h 09m

2 stops

SGN1:50 pmHo Chi Minh City

Oct 23

SGN8:00 pmHo Chi Minh City

40h 50m

2 stops

BIL11:50 pmBillings Logan Intl

$1,128

Qatar Airways

Oct 19

BIL7:32 pmBillings Logan Intl

53h 18m

2 stops

SGN1:50 pmHo Chi Minh City

Oct 23

SGN8:00 pmHo Chi Minh City

40h 50m

2 stops

BIL11:50 pmBillings Logan Intl

$1,134

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Sat 9/19

5:57 pm-10:05 pm

3 stops63h 08m

Ho Chi Minh City

Sun 10/4

11:15 pm-10:51 pm

2 stops36h 36m

$1,008

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Mon 10/19

5:00 am-10:05 pm

3 stops28h 05m

Ho Chi Minh City

Fri 10/23

7:00 am-9:46 am

3 stops39h 46m

$1,036

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Sat 9/19

5:57 pm-10:05 pm

3 stops63h 08m

Ho Chi Minh City

Sun 10/4

7:00 am-10:51 pm

3 stops28h 51m

$1,048

Quickest round-trip

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Sat 9/19

7:00 am-12:15 am

2 stops28h 15m

Ho Chi Minh City

Sun 10/4

11:15 pm-9:10 pm

2 stops34h 55m

$1,077

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Tue 1/5

4:15 pm-10:55 pm

3 stops40h 40m

Ho Chi Minh City

Fri 1/15

6:00 am-9:33 am

3 stops41h 33m

$1,096

BillingsHo Chi Minh City

BIL Billings Logan Intl - SGN Ho Chi Minh City

BILSGN

Billings Logan Intl

Mon 10/19

7:32 pm-1:50 pm

2 stops53h 18m

Ho Chi Minh City

Fri 10/23

8:00 pm-6:52 pm

2 stops35h 52m

$1,105

KalispellDa Nang

FCA Kalispell Glacier Park - DAD Da Nang

FCADAD

Kalispell Glacier Park

Mon 10/19

5:30 am-2:20 pm

2 stops43h 50m

Da Nang

Fri 10/23

3:55 pm-10:57 pm

2 stops44h 02m

$1,762

KalispellDa Nang

FCA Kalispell Glacier Park - DAD Da Nang

FCADAD

Kalispell Glacier Park

Mon 10/19

5:30 am-2:20 pm

2 stops43h 50m

Da Nang

Fri 10/23

3:55 pm-10:57 pm

2 stops44h 02m

$1,810

KalispellDa Nang

FCA Kalispell Glacier Park - DAD Da Nang

FCADAD

Kalispell Glacier Park

Mon 10/19

5:30 am-9:05 pm

2 stops26h 35m

Da Nang

Fri 10/23

3:55 pm-10:57 pm

2 stops44h 02m

$1,910

KalispellDa Nang

FCA Kalispell Glacier Park - DAD Da Nang

FCADAD

Kalispell Glacier Park

Mon 10/19

5:30 am-2:20 pm

2 stops43h 50m

Da Nang

Fri 10/23

3:55 pm-10:57 pm

2 stops44h 02m

$1,923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to Vietnam

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

Can stopping save me money on Montana to Vietnam flights?

You could potentially save up to 20% on your flight if you consider stops on a Montana to Vietnam flight.

Cheap Montana to Vietnam flight deals and tips

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

Best Price Found	$522
Fastest flight time	26h 35m
Direct flights	None

The best one-way flight to Vietnam from Montana in the past 72 hours is $522. The best round-trip flight deal from Montana to Vietnam found on momondo in the last 72 hours is $1,008.

The fastest flight from Montana to Vietnam takes 26h 35m

There are no direct flights from Montana to Vietnam. There are no popular flight routes from Montana to Vietnam.

Search flight deals

Frequently asked questions about flying from Montana to Vietnam

When did momondo last update prices for flights from Montana to Vietnam?
Prices for flights from Montana to Vietnam are updated daily.
How many operators does momondo search for flights from Montana to Vietnam?
The number of operators available for flights from Montana to Vietnam is 1 as of September 2026.
How old do you have to be to fly from Montana to Vietnam?
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 Vietnam.
What documentation or ID do you need to fly to Vietnam?
The travel and health documents you'll need for your trip to Vietnam 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 Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Vietnam

Compare and see reviews for airlines that fly from Montana to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 10,157 reviews		Search United Airlines flights
Asiana Airlines	PriceFrom $1,410	Free Cancellation	Rating 8.1 558 reviews		Search Asiana Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Vietnam?

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 Vietnam from Montana.

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

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

How can momondo help me find flights from Montana to Vietnam?

momondo provides multiple filters to help you find the best flight to Vietnam from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Vietnam from Montana. 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.