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Cheap flights from Philadelphia to Vientiane from $1,357

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Vientiane departing on 8/26. 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

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Find the cheapest flights from Philadelphia to Vientiane

Cheap round-trip flights

Logo
8:25 pm - 7:15 pmPHL-VTE
35h 50m3 stops
Logo
8:30 pm - 9:05 amVTE-PHL
47h 35m2 stops
$1,357
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Tue, Aug 26 - Tue, Sep 2
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8:25 pm - 5:20 pmPHL-VTE
33h 55m2 stops
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8:30 pm - 9:05 amVTE-PHL
47h 35m2 stops
$1,373
Find Deal
Tue, Aug 26 - Tue, Sep 2
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8:25 pm - 7:15 pmPHL-VTE
35h 50m3 stops
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11:30 am - 9:05 amVTE-PHL
32h 35m3 stops
$1,600
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Tue, Aug 26 - Tue, Sep 2
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10:40 am - 7:35 amPHL-VTE
33h 55m3 stops
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1:00 am - 10:08 pmVTE-PHL
32h 08m3 stops
$1,948
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Tue, Aug 26 - Mon, Sep 1
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6:00 am - 11:00 pmPHL-VTE
30h 00m2 stops
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12:01 am - 10:29 pmVTE-PHL
33h 28m2 stops
$2,888
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Tue, Aug 26 - Mon, Sep 1
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10:40 am - 11:00 pmPHL-VTE
25h 20m2 stops
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1:00 am - 10:08 pmVTE-PHL
32h 08m3 stops
$2,939
Find Deal
Tue, Aug 26 - Mon, Sep 1

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Vientiane 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 July 31, 2025.
Use the filters below to find and compare flights from Philadelphia to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

8:25 pm-7:15 pm

3 stops35h 50m

Vientiane Wattay

Tue 9/2

8:30 pm-9:05 am

2 stops47h 35m

$1,357

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

8:25 pm-5:20 pm

2 stops33h 55m

Vientiane Wattay

Tue 9/2

8:30 pm-9:05 am

2 stops47h 35m

$1,373

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

8:25 pm-7:15 pm

3 stops35h 50m

Vientiane Wattay

Tue 9/2

11:30 am-9:05 am

3 stops32h 35m

$1,600

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

10:40 am-7:35 am

3 stops33h 55m

Vientiane Wattay

Mon 9/1

1:00 am-10:08 pm

3 stops32h 08m

$1,948

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

6:00 am-11:00 pm

2 stops30h 00m

Vientiane Wattay

Mon 9/1

12:01 am-10:29 pm

2 stops33h 28m

$2,888

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 8/26

10:40 am-11:00 pm

2 stops25h 20m

Vientiane Wattay

Mon 9/1

1:00 am-10:08 pm

3 stops32h 08m

$2,939

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Philadelphia to Vientiane

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Vientiane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Vientiane (PHL to VTE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Vientiane

Best Price Found

$1,357

Fastest flight time

25h 20m

Direct flights

None

Airports in Vientiane

1 airport
The best flight deal from Philadelphia to Vientiane found on momondo in the last 72 hours is $1,357
The fastest flight from Philadelphia to Vientiane takes 25h 20m
There are no direct flights from Philadelphia to Vientiane. Popular non-direct route for this connection is Philadelphia Airport - Vientiane Wattay Airport.
There is 1 airport near Vientiane: Vientiane Wattay (VTE)
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  • How far is Philadelphia to Vientiane Wattay by plane?

    The distance between Philadelphia and Vientiane Wattay is about 8426.3 mi. 25h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Vientiane Wattay Airport?

    Prices for flights from Philadelphia Airport to Vientiane Wattay Airport refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to Vientiane Wattay Airport?

    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 Philadelphia Airport to Vientiane Wattay Airport.

  • What documentation or ID do you need to fly to Vientiane Wattay Airport?

    The necessary travel and health documents for your Vientiane Wattay Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Philadelphia to Vientiane?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Philadelphia from Vientiane. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Philadelphia to Vientiane with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Vientiane?

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 Vientiane from Philadelphia.

Can I find flights from Philadelphia to Vientiane with flexible booking policies on momondo?

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

How can momondo help me find flights from Philadelphia to Vientiane?

momondo helps you find the best flight between Philadelphia and Vientiane 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 Philadelphia to Vientiane right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Vientiane now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Vientiane and let you know when they change.

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Tue 8/5
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