A snow-covered log cabin surrounded by snow-covered trees and logs.

Cheap Flights to Sully from HK$1,283

View HK$1,283 flight on Sat, 19 Sept 2026Opens in a new window

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Cheap round-trip flights to Sully

Prices were available within the past 7 days and start at HK$1,283 for one-way flights and HK$2,964 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
United
Air Canada
TAP Portugal

Frequently asked questions

How do I find cheap flights to Sully that have flexible change policies?
By using our neat "No change fee" filter, that's how. Simply enter your travel dates, click the "Search" button, then tick the box below the "Flexible change policies" subheading (it's on the left). Expedia makes it simple to find affordable, flexible flights to Sully.
Which airlines fly to Sully?
Wherever you'd love to travel in Sully and whenever you hope to leave, you'll discover your ideal flight with one of these top airlines:
  • American Airlines - 7,501 flights to or near Sully each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 216 flights to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 5,939 flights to or near Sully each month, including 5,146 flights to Washington Dulles Intl. Airport (IAD) and 793 flights to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta Air Lines - 2,036 flights to or near Sully each month, including 1,516 flights to Ronald Reagan Washington National Airport (DCA) and 520 flights to Washington Dulles Intl. Airport (IAD) per month.
How can I find cheap tickets to Sully?
Book well ahead, consider nearby airports, avoid school holiday time — there are lots of ways! Another one is to use Expedia's "flexible dates" feature. Find a Sully flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Sully was HK$2,964.
How much is a flight to Sully?
One-way flights leaving Seattle (SEA) sold for as little as HK$1,283 in the last seven days. During this time, the price of a return ticket to Sully varied between HK$2,964 and HK$7,481. If you spot a good deal, book as fast as you can — these prices don't hang around.
What are the most popular airports to fly into in Sully?
Pack your suitcase and cruise into one of these busy Sully airports:
  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.
When is the cheapest time to fly to Sully?
If you'd prefer to spend your hard-earned holiday dollars experiencing Sully rather than on getting there, take off early in the week. The most affordable day to fly is normally Tuesday, with Monday coming in second. With many folks travelling on the weekend, Saturday often has the most expensive airfares.
How much is a plane ticket to Sully?
In the last seven days, flights to Sully varied from HK$2,964 to HK$7,481.
What months are the cheapest to book a flight to Sully?
Snap up a ticket in February for the cheapest flights to Sully. The festive month of December is known as the most expensive time to buy a fare.

Travel information

Destination airport
Washington Dulles Intl.
Destination airport IATA code
IAD
Destination city name
Washington
Return price
HK$4,537

Trending flights to Sully

Prices were available within the past 7 days and start at HK$1,283 for one-way flights and HK$2,964 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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