Cheap Flights from Washington, D.C. to Phnom Penh
No deal from Washington, D.C. to Phnom Penh has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to Phnom Penh, the lowest round-trip fare we recorded was $1167, in September. The typical fare was $1644. September was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $1331 on American, Alaska, and Cathay Pacific, seen Oct 28. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/phnom-penh">to Phnom Penh</a>, or the return direction <a href="/from/phnom-penh/to/washington-dc">Phnom Penh to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. to Phnom Penh
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Washington, D.C. (IAD) to Phnom Penh (KTI) | $1331 | 7.4¢ | Oct 29 – Nov 4 | American, Alaska, and Cathay Pacific | Oct 28 | Check price |
Price history: Washington, D.C. to Phnom Penh
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1205 | $1534 | 61 |
| Sep 2026 | $1167 | $1437 | 65 |
| Aug 2026 | $1278 | $1962 | 76 |
Frequently asked questions
How many flight deals from Washington, D.C. to Phnom Penh are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to Phnom Penh on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to Phnom Penh?
The lowest fare we've recorded from Washington, D.C. to Phnom Penh is $1167, based on 202 price observations over 3 months.
How much does a flight from Washington, D.C. to Phnom Penh cost?
The typical round-trip fare we observed from Washington, D.C. to Phnom Penh is $1644, against a recorded low of $1167. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to Phnom Penh?
September was the cheapest month we observed from Washington, D.C. to Phnom Penh and August the dearest, over 3 months of data.
What is the current price from Washington, D.C. to Phnom Penh?
The most recent fare our sweep saw from Washington, D.C. to Phnom Penh is $1331, on Oct 28. It is an unverified observation rather than a verified deal, so check it before booking.