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Cheap flights from Portland to Vientiane from $598

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Vientiane departing on 8/18. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Vientiane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:53 pm - 7:35 pm
PDX
-
VTE
34h 42m
3 stops
Multiple Airlines Logo
11:20 am - 9:07 am
VTE
-
PDX
35h 47m
3 stops
$1,263Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
10:45 am - 12:05 am
PDX
-
VTE
47h 20m
2 stops
Multiple Airlines Logo
1:05 am - 11:56 pm
VTE
-
PDX
36h 51m
2 stops
$1,340Multiple Airlines
Sat, Jul 11 - Fri, Jul 17
Multiple Airlines Logo
11:48 am - 12:40 pm
PDX
-
VTE
34h 52m
3 stops
Multiple Airlines Logo
1:30 pm - 4:50 pm
VTE
-
PDX
41h 20m
3 stops
$1,383Multiple Airlines
Mon, Aug 31 - Tue, Sep 29
Multiple Airlines Logo
6:53 pm - 12:05 am
PDX
-
VTE
39h 12m
2 stops
Multiple Airlines Logo
11:20 am - 4:50 pm
VTE
-
PDX
43h 30m
3 stops
$1,427Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
6:20 am - 12:05 am
PDX
-
VTE
27h 45m
2 stops
Multiple Airlines Logo
1:05 am - 9:55 pm
VTE
-
PDX
34h 50m
2 stops
$1,466Multiple Airlines
Tue, Sep 1 - Mon, Sep 28
Multiple Airlines Logo
2:53 pm - 12:05 am
PDX
-
VTE
43h 12m
2 stops
Multiple Airlines Logo
1:05 am - 9:55 pm
VTE
-
PDX
34h 50m
2 stops
$1,494Multiple Airlines
Mon, Aug 31 - Mon, Sep 28
Multiple Airlines Logo
5:41 pm - 7:45 pm
PDX
-
VTE
36h 04m
3 stops
Multiple Airlines Logo
2:30 pm - 10:58 pm
VTE
-
PDX
22h 28m
3 stops
$1,512Multiple Airlines
Tue, Sep 1 - Tue, Sep 29
Multiple Airlines Logo
3:30 pm - 11:50 pm
PDX
-
VTE
42h 20m
2 stops
Multiple Airlines Logo
12:50 am - 9:31 am
VTE
-
PDX
46h 41m
2 stops
$1,540Multiple Airlines
Wed, Sep 2 - Tue, Sep 29
Multiple Airlines Logo
9:46 pm - 12:40 pm
PDX
-
VTE
24h 54m
3 stops
Multiple Airlines Logo
8:30 pm - 9:48 am
VTE
-
PDX
27h 18m
2 stops
$1,610Multiple Airlines
Tue, Sep 1 - Tue, Sep 29
Multiple Airlines Logo
10:45 am - 12:05 am
PDX
-
VTE
47h 20m
2 stops
Multiple Airlines Logo
11:20 am - 11:52 pm
VTE
-
PDX
26h 32m
3 stops
$1,638Multiple Airlines
Sat, Jul 11 - Sat, Jul 18

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momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 June 14, 2026.
Use the filters below to find and compare flights from Portland to Vientiane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Wed 9/2

6:53 pm-7:35 pm

3 stops34h 42m

Vientiane Wattay

Wed 9/30

11:20 am-9:07 am

3 stops35h 47m

$1,263

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Sat 7/11

10:45 am-12:05 am

2 stops47h 20m

Vientiane Wattay

Fri 7/17

1:05 am-11:56 pm

2 stops36h 51m

$1,340

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Mon 8/31

11:48 am-12:40 pm

3 stops34h 52m

Vientiane Wattay

Tue 9/29

1:30 pm-4:50 pm

3 stops41h 20m

$1,383

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Wed 9/2

6:53 pm-12:05 am

2 stops39h 12m

Vientiane Wattay

Wed 9/30

11:20 am-4:50 pm

3 stops43h 30m

$1,427

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Tue 9/1

6:20 am-12:05 am

2 stops27h 45m

Vientiane Wattay

Mon 9/28

1:05 am-9:55 pm

2 stops34h 50m

$1,466

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Mon 8/31

2:53 pm-12:05 am

2 stops43h 12m

Vientiane Wattay

Mon 9/28

1:05 am-9:55 pm

2 stops34h 50m

$1,494

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Tue 9/1

5:41 pm-7:45 pm

3 stops36h 04m

Vientiane Wattay

Tue 9/29

2:30 pm-10:58 pm

3 stops22h 28m

$1,512

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Wed 9/2

3:30 pm-11:50 pm

2 stops42h 20m

Vientiane Wattay

Tue 9/29

12:50 am-9:31 am

2 stops46h 41m

$1,540
Quickest round-trip

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Tue 9/1

9:46 pm-12:40 pm

3 stops24h 54m

Vientiane Wattay

Tue 9/29

8:30 pm-9:48 am

2 stops27h 18m

$1,610

PortlandVientiane

PDX - VTE

PDXVTE

Portland

Sat 7/11

10:45 am-12:05 am

2 stops47h 20m

Vientiane Wattay

Sat 7/18

11:20 am-11:52 pm

3 stops26h 32m

$1,638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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When to book flights from Portland to Vientiane

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

Cheap Portland to Vientiane (PDX to VTE) flight deals and tips

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

Fastest flight time

29h 51m

Direct flights

None
The fastest flight from Portland to Vientiane takes 29h 51m
There are no direct flights from Portland to Vientiane. There are no popular flight routes from Portland to Vientiane.
Search flight deals

Frequently asked questions about flying from Portland to Vientiane

  • How far is Portland to Vientiane Wattay by plane?

    There are 7209.1 mi between Portland and Vientiane Wattay. In terms of flight time, this usually takes a little over 29h 51m.

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

    Prices for flights from Portland Airport to Vientiane Wattay Airport are updated daily.

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

  • How old do you have to be to fly from Portland 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 Portland Airport 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.

  • What is the most popular airline from Portland to Vientiane?

Best airlines flying from Portland to Vientiane

Compare and see reviews for airlines that fly from Portland to Vientiane with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom $933Free CancellationRating
7.3
223 reviews
Search China Eastern flights

Frequently asked questions about flying from Portland to Vientiane

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland 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 Portland to Vientiane 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 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 Portland 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 Portland to Vientiane for you.

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

momondo does allow users to show only those flights to Vientiane from Portland which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Price alerts on flights to Vientiane from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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