HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Vietnam

$797+ Cheap flights from Billings (BIL) to Vietnam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SGN
Apr 12 — Apr 191
Ahad 4/12
Ahad 4/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Vietnam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Billings to Vietnam

Cheapest flights from Billings to Vietnam
Explore the most affordable flight options available from Billings to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Mac 13, 2026.

This Philippine Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 9/207:17 pm
BIL
-
SGN
2 stops24h 13m
Multiple Airlines
Rabu 10/219:55 am
SGN
-
BIL
2 stops42h 13m
Multiple Airlines
Deal found 3/11$797
This BusinessClass deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 9/157:17 pm
BIL
-
SGN
2 stops25h 23m
Multiple Airlines
Khamis 10/155:30 pm
SGN
-
BIL
2 stops19h 38m
Multiple Airlines
Deal found 3/10$879
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 9/207:00 am
BIL
-
SGN
3 stops50h 05m
United Airlines
Rabu 10/2111:15 pm
SGN
-
BIL
3 stops50h 58m
United Airlines
Deal found 3/13$911
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 9/217:00 am
BIL
-
SGN
3 stops26h 05m
United Airlines
Rabu 10/217:00 am
SGN
-
BIL
2 stops26h 51m
United Airlines
Deal found 3/11$919
This oojo deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 9/217:17 pm
BIL
-
SGN
2 stops27h 23m
EVA Air
Rabu 10/2112:50 pm
SGN
-
BIL
2 stops24h 18m
EVA Air
Deal found 3/11$920
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 9/55:57 pm
BIL
-
SGN
3 stops39h 08m
United Airlines
Selasa 9/811:15 pm
SGN
-
BIL
2 stops48h 47m
United Airlines
Deal found 3/8$928

Find flight deals from Billings to Vietnam

Keep the following information in mind while searching for Billings to Vietnam flight deals. Data was last updated Mac 13, 2026.

Round-trip from

$928
(United Airlines)
From Billings Logan Intl to Vietnam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings 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, Cheapflights users made 2,558,603 searches. Data last updated Mac 13, 2026.
Use the filters below to find and compare flights from Billings to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sabtu 9/5

5:57 pm-10:05 pm

3 stops39h 08m

Ho Chi Minh City

Selasa 9/8

11:15 pm-11:02 am

2 stops48h 47m

$928
Quickest round-trip

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Isnin 5/4

5:05 am-10:05 pm

3 stops28h 00m

Ho Chi Minh City

Jumaat 5/8

7:00 am-8:57 pm

3 stops26h 57m

$1,013

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Jumaat 5/1

5:05 am-10:05 pm

3 stops28h 00m

Ho Chi Minh City

Jumaat 5/8

7:00 am-8:57 pm

3 stops26h 57m

$1,102

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sabtu 9/5

5:45 am-12:35 pm

2 stops41h 50m

Ho Chi Minh City

Selasa 9/8

7:30 am-10:27 pm

2 stops27h 57m

$1,197

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Best time to book a flight from Billings to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Billings to Vietnam
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Vietnam. Reviews last updated Mac 13, 2026.
See what other customers who have flown with United Airlines from Billings to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Billings to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Billings to Vietnam?

    If you book a flight to Vietnam from Billings, you will be flying from Billings Logan Intl, which is the city’s only airport. Billings Logan Intl (BIL) is located 2.7 mi from the center of Billings.

  • How long is the flight from Billings to Vietnam?

    For as low as $928, United Airlines can have you in Vietnam from Billings in 39h 08m. Billings and Vietnam are separated by a distance of 7950 mi.

  • Can I find deals for flights from Billings to Vietnam that include hotel bookings?

    Yes. In addition to deals on Billings to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Vietnam.

  • Can I find deals for business class flights from Billings to Vietnam?

    Yes. Cheapflights offers flight deals from Billings to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Billings to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Suvarnabhumi flights
Missoula to Manila flights
Missoula to Haneda flights
Billings to Manila flights
Helena to Okinawa flights
Bozeman to Kansai Intl flights

Top airline flying from Billings to Vietnam

Discover the top airline that operate flights from Billings to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Mac 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$852Average$1,386FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.