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Cheap flights from Washington, D.C. to Pasto from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Pasto departing on 4/20. 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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Find the cheapest flights from Washington, D.C. to Pasto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
5:35 pm - 9:25 am
IAD
-
PSO
16h 50m
2 stops
Avianca Logo
8:05 am - 5:20 am
PSO
-
IAD
20h 15m
1 stop
$405Avianca
Sat, Apr 11 - Wed, Apr 15
Avianca Logo
5:35 pm - 11:45 am
IAD
-
PSO
19h 10m
2 stops
Avianca Logo
10:05 am - 6:15 pm
PSO
-
IAD
31h 10m
2 stops
$419Avianca
Sat, Apr 11 - Wed, Apr 15
Avianca Logo
5:35 pm - 11:45 am
IAD
-
PSO
19h 10m
2 stops
Avianca Logo
5:20 pm - 2:45 am
PSO
-
IAD
32h 25m
2 stops
$429Avianca
Sat, Apr 11 - Wed, Apr 15
Avianca Logo
6:50 am - 7:25 am
IAD
-
PSO
25h 35m
1 stop
Avianca Logo
10:05 am - 2:15 pm
PSO
-
IAD
27h 10m
1 stop
$438Avianca
Sun, Apr 5 - Sun, Apr 12
Avianca Logo
4:10 am - 9:25 am
IAD
-
PSO
30h 15m
2 stops
Avianca Logo
12:25 pm - 5:20 am
PSO
-
IAD
15h 55m
1 stop
$505Avianca
Sun, Apr 5 - Sun, Apr 12
Avianca Logo
6:50 am - 4:40 pm
IAD
-
PSO
10h 50m
1 stop
Avianca Logo
5:20 pm - 5:20 am
PSO
-
IAD
11h 00m
1 stop
$558Avianca
Sat, Apr 11 - Wed, Apr 15
Avianca Logo
4:10 am - 9:25 am
IAD
-
PSO
30h 15m
2 stops
Avianca Logo
5:20 pm - 2:45 am
PSO
-
IAD
32h 25m
2 stops
$562Avianca
Sun, Apr 5 - Sun, Apr 12
LATAM Airlines Logo
11:56 am - 3:40 pm
BWI
-
PSO
28h 44m
2 stops
LATAM Airlines Logo
4:25 pm - 12:38 am
PSO
-
BWI
31h 13m
2 stops
$881LATAM Airlines
Sun, Apr 5 - Sun, Apr 12
Avianca Logo
8:20 am - 9:25 am
IAD
-
PSO
26h 05m
2 stops
Avianca Logo
5:20 pm - 2:15 am
PSO
-
IAD
31h 55m
3 stops
$928Avianca
Sun, Apr 5 - Sun, Apr 12

Avianca flights from Washington, D.C. to Pasto

Our best Avianca deals on Washington, D.C. to Pasto flight tickets
Avianca
Apr 11
IAD5:35 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
PSO7:25 amPasto Antonio Nariño
Apr 15
PSO8:05 amPasto Antonio Nariño
20h 15m
1 stop
IAD5:20 amWashington, D.C. Dulles Intl
$405
Avianca
Apr 11
IAD5:35 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
PSO7:25 amPasto Antonio Nariño
Apr 15
PSO5:20 pmPasto Antonio Nariño
32h 25m
2 stops
IAD2:45 amWashington, D.C. Dulles Intl
$419
Avianca
Apr 11
IAD5:35 pmWashington, D.C. Dulles Intl
19h 10m
2 stops
PSO11:45 amPasto Antonio Nariño
Apr 15
PSO5:20 pmPasto Antonio Nariño
32h 25m
2 stops
IAD2:45 amWashington, D.C. Dulles Intl
$429

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Pasto 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 February 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Pasto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sat 4/11

5:35 pm-9:25 am

2 stops16h 50m

Pasto Antonio Nariño

Wed 4/15

8:05 am-5:20 am

1 stop20h 15m

$405

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sat 4/11

5:35 pm-11:45 am

2 stops19h 10m

Pasto Antonio Nariño

Wed 4/15

10:05 am-6:15 pm

2 stops31h 10m

$419

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sat 4/11

5:35 pm-11:45 am

2 stops19h 10m

Pasto Antonio Nariño

Wed 4/15

5:20 pm-2:45 am

2 stops32h 25m

$429

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sun 4/5

6:50 am-7:25 am

1 stop25h 35m

Pasto Antonio Nariño

Sun 4/12

10:05 am-2:15 pm

1 stop27h 10m

$438

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sun 4/5

4:10 am-9:25 am

2 stops30h 15m

Pasto Antonio Nariño

Sun 4/12

12:25 pm-5:20 am

1 stop15h 55m

$505

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sat 4/11

6:50 am-4:40 pm

1 stop10h 50m

Pasto Antonio Nariño

Wed 4/15

5:20 pm-5:20 am

1 stop11h 00m

$558

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sun 4/5

4:10 am-9:25 am

2 stops30h 15m

Pasto Antonio Nariño

Sun 4/12

5:20 pm-2:45 am

2 stops32h 25m

$562

BaltimorePasto

BWI - PSO

BWIPSO

Baltimore/Washington

Sun 4/5

11:56 am-3:40 pm

2 stops28h 44m

Pasto Antonio Nariño

Sun 4/12

4:25 pm-12:38 am

2 stops31h 13m

$881

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Sun 4/5

8:20 am-9:25 am

2 stops26h 05m

Pasto Antonio Nariño

Sun 4/12

5:20 pm-2:15 am

3 stops31h 55m

$928

Washington, D.C.Pasto

IAD - PSO

IADPSO

Washington, D.C. Dulles Intl

Mon 4/20

3:35 pm-7:25 am

1 stop16h 50m

$150

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Pasto from

How to get the cheapest flight ticket from Washington, D.C. to Pasto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. to Pasto Antonio Nariño?

Avianca is the most popular carrier operating from Washington, D.C. to Pasto Antonio Nariño

When to book flights from Washington, D.C. to Pasto

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

Cheap Washington, D.C. to Pasto (WAS to PSO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Pasto

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Pasto takes 16h 50m
There are no direct flights from Washington, D.C. to Pasto. There are no popular flight routes from Washington, D.C. to Pasto.
Search flight deals

  • How far is Washington, D.C. to Pasto Antonio Nariño by plane?

    There are 2603.1 mi between Washington, D.C. and Pasto Antonio Nariño. In terms of flight time, this usually takes a little over 16h 50m.

  • When did momondo last update prices for flights from Washington, D.C. to Pasto Antonio Nariño Airport?

    Prices for flights from Washington, D.C. to Pasto Antonio Nariño Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Pasto Antonio Nariño Airport?

  • How old do you have to be to fly from Washington, D.C. to Pasto Antonio Nariño Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Pasto Antonio Nariño Airport.

  • What documentation or ID do you need to fly to Pasto Antonio Nariño Airport?

    The travel and health documents required for your trip to Pasto Antonio Nariño 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 Pasto Antonio Nariño 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 Washington, D.C. to Pasto?

Best airlines flying from Washington, D.C. to Pasto

Compare and see reviews for airlines that fly from Washington, D.C. to Pasto with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $514Free CancellationRating
6.6
2,497 reviews
Search Avianca flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Pasto?

It is quick and easy to find Washington, D.C. to Pasto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pasto that suits you.

Can I find flights from Washington, D.C. to Pasto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Pasto from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Pasto?

Once you have performed a search for Washington, D.C. to Pasto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Pasto right now. Can momondo alert me if prices change?

Price alerts on flights to Pasto from Washington, D.C. 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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