Cheap flights from Montana to Vietnam from $851

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 Vietnam departing on 2/9. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Montana to Vietnam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:02 pm - 4:45 pmBIL-SGN
36h 43m2 stops
Multiple Airlines Logo
5:50 pm - 10:43 pmSGN-BIL
41h 53m2 stops
$851Multiple Airlines
Find Deal
Mon, Feb 9 - Mon, Mar 9
Multiple Airlines Logo
3:35 pm - 4:45 pmBIL-SGN
35h 10m2 stops
Multiple Airlines Logo
11:40 am - 10:43 pmSGN-BIL
25h 03m2 stops
$876Multiple Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
Delta Logo
3:00 pm - 2:15 pmFCA-DAD
57h 15m2 stops
Delta Logo
11:20 pm - 11:07 pmDAD-FCA
37h 47m2 stops
$931Delta
Find Deal
Sat, Jan 17 - Thu, Jan 29
Delta Logo
3:00 pm - 2:15 pmFCA-DAD
57h 15m2 stops
Delta Logo
11:20 pm - 1:51 pmDAD-FCA
52h 31m2 stops
$939Delta
Find Deal
Sat, Jan 17 - Sun, Feb 1
United Airlines Logo
4:13 pm - 10:55 pmBIL-SGN
40h 42m3 stops
United Airlines Logo
11:05 pm - 1:13 pmSGN-BIL
52h 08m3 stops
$1,044United Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
United Airlines Logo
6:30 am - 10:55 pmBIL-SGN
50h 25m3 stops
United Airlines Logo
11:05 pm - 1:13 pmSGN-BIL
52h 08m3 stops
$1,087United Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 24
Korean Air Logo
5:20 am - 9:30 pmFCA-DAD
26h 10m2 stops
Korean Air Logo
3:45 pm - 7:06 pmDAD-FCA
41h 21m2 stops
$1,100Korean Air
Find Deal
Sat, Jan 17 - Tue, Feb 3
EVA Air Logo
2:02 pm - 10:00 pmBIL-SGN
41h 58m2 stops
EVA Air Logo
1:55 am - 12:51 pmSGN-BIL
47h 56m2 stops
$1,135EVA Air
Find Deal
Mon, Feb 9 - Sun, Mar 8
EVA Air Logo
3:35 pm - 10:00 pmBIL-SGN
40h 25m2 stops
EVA Air Logo
1:55 am - 10:43 pmSGN-BIL
34h 48m2 stops
$1,261EVA Air
Find Deal
Tue, Feb 3 - Mon, Feb 23
Korean Air Logo
6:00 am - 10:05 pmBIL-SGN
27h 05m2 stops
Korean Air Logo
8:00 am - 6:39 pmSGN-BIL
24h 39m2 stops
$1,294Korean Air
Find Deal
Mon, Oct 20 - Sat, Nov 15

United Airlines flights from Montana to Vietnam

Our best United Airlines deals on Montana to Vietnam flight tickets
United Airlines
Feb 3
BIL4:13 pmBillings Logan Intl
40h 42m
3 stops
SGN10:55 pmHo Chi Minh City
Feb 24
SGN11:05 pmHo Chi Minh City
52h 08m
3 stops
BIL1:13 pmBillings Logan Intl
United Airlines
Feb 3
BIL6:30 amBillings Logan Intl
50h 25m
3 stops
SGN10:55 pmHo Chi Minh City
Feb 24
SGN11:05 pmHo Chi Minh City
52h 08m
3 stops
BIL1:13 pmBillings Logan Intl
United Airlines
Feb 9
BIL4:13 pmBillings Logan Intl
42h 02m
2 stops
SGN12:15 amHo Chi Minh City
Mar 9
SGN11:05 pmHo Chi Minh City
51h 08m
3 stops
BIL1:13 pmBillings Logan Intl

Korean Air flights from Montana to Vietnam

Our best Korean Air deals on Montana to Vietnam flight tickets
Korean Air
Jan 17
FCA5:20 amKalispell Glacier Park
26h 10m
2 stops
DAD9:30 pmDa Nang
Feb 3
DAD3:45 pmDa Nang
41h 21m
2 stops
FCA7:06 pmKalispell Glacier Park
Korean Air
Oct 20
BIL6:00 amBillings Logan Intl
27h 05m
2 stops
SGN10:05 pmHo Chi Minh City
Nov 15
SGN8:00 amHo Chi Minh City
24h 39m
2 stops
BIL6:39 pmBillings Logan Intl
Korean Air
Oct 20
BIL6:00 amBillings Logan Intl
28h 15m
2 stops
SGN11:15 pmHo Chi Minh City
Nov 15
SGN8:00 amHo Chi Minh City
24h 39m
2 stops
BIL6:39 pmBillings Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Vietnam 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 October 9, 2025.
Use the filters below to find and compare flights from Montana to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 2/9

2:02 pm-4:45 pm

2 stops36h 43m

Ho Chi Minh City

Mon 3/9

5:50 pm-10:43 pm

2 stops41h 53m

$851

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

3:35 pm-4:45 pm

2 stops35h 10m

Ho Chi Minh City

Tue 2/24

11:40 am-10:43 pm

2 stops25h 03m

$876

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sat 1/17

3:00 pm-2:15 pm

2 stops57h 15m

Da Nang

Thu 1/29

11:20 pm-11:07 pm

2 stops37h 47m

$931

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sat 1/17

3:00 pm-2:15 pm

2 stops57h 15m

Da Nang

Sun 2/1

11:20 pm-1:51 pm

2 stops52h 31m

$939

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

4:13 pm-10:55 pm

3 stops40h 42m

Ho Chi Minh City

Tue 2/24

11:05 pm-1:13 pm

3 stops52h 08m

$1,044

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

6:30 am-10:55 pm

3 stops50h 25m

Ho Chi Minh City

Tue 2/24

11:05 pm-1:13 pm

3 stops52h 08m

$1,087

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sat 1/17

5:20 am-9:30 pm

2 stops26h 10m

Da Nang

Tue 2/3

3:45 pm-7:06 pm

2 stops41h 21m

$1,100

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 2/9

2:02 pm-10:00 pm

2 stops41h 58m

Ho Chi Minh City

Sun 3/8

1:55 am-12:51 pm

2 stops47h 56m

$1,135

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

3:35 pm-10:00 pm

2 stops40h 25m

Ho Chi Minh City

Mon 2/23

1:55 am-10:43 pm

2 stops34h 48m

$1,261

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 10/20

6:00 am-10:05 pm

2 stops27h 05m

Ho Chi Minh City

Sat 11/15

8:00 am-6:39 pm

2 stops24h 39m

$1,294

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Montana to Vietnam flight deals and tips

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

Direct flights

None
There are no direct flights from Montana to Vietnam. There are no popular flight routes 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?

  • 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 AirlinesPriceFrom $852Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights
  • How do I get Price Alerts for flights from Montana to Vietnam?

    Confirm your travel details to search for the latest offers for flights from Montana to Vietnam. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Montana to Vietnam with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

An easier way to manage your Vietnam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/8
Sat 11/15

Find better results for your trip to Vietnam

Popular cities in Vietnam

Popular flights according to clicks in the last 7 days on momondo