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Cheap flights from Pennsylvania to Vientiane from $637

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Vientiane departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pennsylvania to Vientiane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 pm - 12:40 pm
IAD
-
VTE
28h 40m
2 stops
Multiple Airlines Logo
1:30 pm - 3:40 pm
VTE
-
IAD
37h 10m
2 stops
$1,200Multiple Airlines
Wed, Sep 2 - Thu, Sep 17
Multiple Airlines Logo
9:00 pm - 7:45 pm
IAD
-
VTE
35h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 3:40 pm
VTE
-
IAD
30h 10m
2 stops
$1,206Multiple Airlines
Tue, Sep 1 - Wed, Sep 23
Singapore Airlines Logo
8:15 pm - 12:00 pm
JFK
-
VTE
27h 45m
2 stops
Singapore Airlines Logo
12:35 pm - 11:15 am
VTE
-
JFK
34h 40m
2 stops
$1,231Singapore Airlines
Tue, Nov 3 - Tue, Nov 10
Singapore Airlines Logo
8:15 pm - 12:00 pm
JFK
-
VTE
27h 45m
2 stops
Singapore Airlines Logo
12:35 pm - 11:15 am
VTE
-
JFK
34h 40m
2 stops
$1,256Singapore Airlines
Sat, Nov 14 - Fri, Dec 4
China Eastern Logo
8:30 pm - 12:05 am
JFK
-
VTE
39h 35m
2 stops
China Eastern Logo
1:05 am - 1:25 pm
VTE
-
JFK
24h 20m
1 stop
$1,430China Eastern
Tue, Nov 3 - Mon, Nov 9
China Eastern Logo
8:30 pm - 12:05 am
JFK
-
VTE
39h 35m
2 stops
China Eastern Logo
12:20 pm - 1:25 pm
VTE
-
JFK
37h 05m
3 stops
$1,431China Eastern
Sun, Nov 8 - Mon, Nov 30
China Southern Logo
4:05 pm - 3:05 pm
PHL
-
VTE
35h 00m
2 stops
China Southern Logo
4:25 pm - 7:40 am
VTE
-
PHL
27h 15m
2 stops
$1,665China Southern
Tue, Nov 17 - Sat, Dec 5
China Southern Logo
4:05 pm - 10:30 am
PHL
-
VTE
30h 25m
2 stops
China Southern Logo
4:25 pm - 7:40 am
VTE
-
PHL
27h 15m
2 stops
$1,668China Southern
Tue, Nov 17 - Sat, Dec 5
Austrian Airlines Logo
5:55 pm - 7:45 pm
EWR
-
VTE
37h 50m
2 stops
Austrian Airlines Logo
8:30 pm - 1:55 pm
VTE
-
EWR
53h 25m
2 stops
$1,735Austrian Airlines
Sun, Nov 8 - Mon, Nov 30
Austrian Airlines Logo
5:55 pm - 7:45 pm
EWR
-
VTE
37h 50m
2 stops
Austrian Airlines Logo
8:30 pm - 1:55 pm
VTE
-
EWR
53h 25m
2 stops
$1,975Austrian Airlines
Sun, Nov 8 - Mon, Nov 30

China Southern flights from Pennsylvania to Vientiane

Our best China Southern deals on Pennsylvania to Vientiane flight tickets
China Southern
Nov 17
PHL4:05 pmPhiladelphia
35h 00m
2 stops
VTE3:05 pmVientiane Wattay
Dec 5
VTE4:25 pmVientiane Wattay
27h 15m
2 stops
PHL7:40 amPhiladelphia
$1,665
China Southern
Nov 17
PHL4:05 pmPhiladelphia
30h 25m
2 stops
VTE10:30 amVientiane Wattay
Dec 5
VTE4:25 pmVientiane Wattay
27h 15m
2 stops
PHL7:40 amPhiladelphia
$1,668
China Southern
Nov 17
PHL4:05 pmPhiladelphia
30h 25m
2 stops
VTE10:30 amVientiane Wattay
Dec 5
VTE4:25 pmVientiane Wattay
28h 32m
2 stops
PHL8:57 amPhiladelphia
$1,775

China Eastern flights from Pennsylvania to Vientiane

Our best China Eastern deals on Pennsylvania to Vientiane flight tickets
China Eastern
Nov 3
JFK8:30 pmNew York John F Kennedy Intl
39h 35m
2 stops
VTE12:05 amVientiane Wattay
Nov 9
VTE1:05 amVientiane Wattay
24h 20m
1 stop
JFK1:25 pmNew York John F Kennedy Intl
$1,430
China Eastern
Nov 8
JFK8:30 pmNew York John F Kennedy Intl
39h 35m
2 stops
VTE12:05 amVientiane Wattay
Nov 30
VTE12:20 pmVientiane Wattay
37h 05m
3 stops
JFK1:25 pmNew York John F Kennedy Intl
$1,431
China Eastern
Nov 14
JFK8:30 pmNew York John F Kennedy Intl
39h 35m
2 stops
VTE12:05 amVientiane Wattay
Dec 4
VTE3:50 pmVientiane Wattay
57h 35m
3 stops
JFK1:25 pmNew York John F Kennedy Intl
$1,518

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 May 22, 2026.
Use the filters below to find and compare flights from Pennsylvania to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Wed 9/2

9:00 pm-12:40 pm

2 stops28h 40m

Vientiane Wattay

Thu 9/17

1:30 pm-3:40 pm

2 stops37h 10m

$1,200

Washington, D.C.Vientiane

IAD - VTE

IADVTE

Washington, D.C. Dulles Intl

Tue 9/1

9:00 pm-7:45 pm

2 stops35h 45m

Vientiane Wattay

Wed 9/23

8:30 pm-3:40 pm

2 stops30h 10m

$1,206

New YorkVientiane

JFK - VTE

JFKVTE

New York John F Kennedy Intl

Tue 11/3

8:15 pm-12:00 pm

2 stops27h 45m

Vientiane Wattay

Tue 11/10

12:35 pm-11:15 am

2 stops34h 40m

$1,231

New YorkVientiane

JFK - VTE

JFKVTE

New York John F Kennedy Intl

Sat 11/14

8:15 pm-12:00 pm

2 stops27h 45m

Vientiane Wattay

Fri 12/4

12:35 pm-11:15 am

2 stops34h 40m

$1,256

New YorkVientiane

JFK - VTE

JFKVTE

New York John F Kennedy Intl

Tue 11/3

8:30 pm-12:05 am

2 stops39h 35m

Vientiane Wattay

Mon 11/9

1:05 am-1:25 pm

1 stop24h 20m

$1,430

New YorkVientiane

JFK - VTE

JFKVTE

New York John F Kennedy Intl

Sun 11/8

8:30 pm-12:05 am

2 stops39h 35m

Vientiane Wattay

Mon 11/30

12:20 pm-1:25 pm

3 stops37h 05m

$1,431

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 11/17

4:05 pm-3:05 pm

2 stops35h 00m

Vientiane Wattay

Sat 12/5

4:25 pm-7:40 am

2 stops27h 15m

$1,665
Quickest round-trip

PhiladelphiaVientiane

PHL - VTE

PHLVTE

Philadelphia

Tue 11/17

4:05 pm-10:30 am

2 stops30h 25m

Vientiane Wattay

Sat 12/5

4:25 pm-7:40 am

2 stops27h 15m

$1,668

NewarkVientiane

EWR - VTE

EWRVTE

Newark

Sun 11/8

5:55 pm-7:45 pm

2 stops37h 50m

Vientiane Wattay

Mon 11/30

8:30 pm-1:55 pm

2 stops53h 25m

$1,735

NewarkVientiane

EWR - VTE

EWRVTE

Newark

Sun 11/8

5:55 pm-7:45 pm

2 stops37h 50m

Vientiane Wattay

Mon 11/30

8:30 pm-1:55 pm

2 stops53h 25m

$1,975

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Pennsylvania to Vientiane flight deals and tips

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

Fastest flight time

26h 20m

Direct flights

None
The fastest flight from Pennsylvania to Vientiane takes 26h 20m
There are no direct flights from Pennsylvania to Vientiane. There are no popular flight routes from Pennsylvania to Vientiane.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Vientiane

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

    Prices for flights from Pennsylvania to Vientiane Wattay Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Pennsylvania to Vientiane Wattay Airport?

  • How old do you have to be to fly from Pennsylvania 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 Pennsylvania to Vientiane Wattay Airport.

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

    The travel and health documents required for your trip to Vientiane Wattay Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vientiane Wattay Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Pennsylvania to Vientiane

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Pennsylvania 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 Pennsylvania to Vientiane with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Vientiane for you.

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

Yes. All flights to Vientiane from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Vientiane.

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

Yes. momondo can track prices for Pennsylvania to Vientiane flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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