Flight Price History

Washington to Singapore · 30-day trend

Median fare $696 · 30-day low $573. Snapshots updated daily (last: Oct 10, 2026).

DCA → SIN · cheapest cached fare per day · last 10 days · ↓ 18%

$573 low$771 high

Median fare

$696

Across 10 daily snapshots

30-day low

$573

Cheapest seen

30-day high

$771

Most expensive seen

Now vs typical

-18%

Below typical — good window

What this means

Each point on the chart above is the cheapest cached round-trip fare from Washington (DCA) to Singapore (SIN) on that snapshot day, sourced nightly from our travel-data partner Travelpayouts.

The median is the typical asking price for this route across a rolling 30-day window — half of recent snapshots were cheaper, half more expensive. The low is what your fare-floor target should be if your dates are flexible; the high tells you what to walk away from.

Prices on this route swing meaningfully — the cheapest quarter of snapshots are at $573 or below, a 18% savings off median. Worth being patient or flexing dates by a few days.

Ready to book?

Cached prices give you the baseline. For your exact dates, search live fares — Aviasales checks every major OTA in one query.

Search DCA → SIN flights →Live prices on Aviasales →

See our best-time-to-book guide for DCA → SIN →Target price, booking window, weekday pattern.

Related travel pages

Data: 30-day rolling window of cheapest cached round-trip fares from Travelpayouts, snapshotted nightly. Actual fares for your specific dates and travel class will vary — we link to live search above for current pricing. Index last updated Oct 10, 2026.