HYA to WAS, Cape Cod Gateway Airport to Cheap Flights

Based on HopeGoo data, Cape Air offers one-way fares as low as US$254 on Cheapest nonstop routes (e.g. HYA to DCA on Sun, Mar 15), while Cape Air offers Cheapest nonstop round-trips from US$471 departing on Thu, Feb 26 and returning on Mon, Mar 2.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Hyannis to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Hyannis to Washington D.C., you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Mar 15, with one-way flights priced at just US$254. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cape Air. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Hyannis to Washington D.C. is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Hyannis to Washington D.C. on February 26, 2026 with Cape Air, with prices starting at US$471.

The time difference between Washington D.C. and Hyannis is 0h.

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