Cheap Flights to Sully from HK$1,166

View HK$1,166 flight on Sat, 23 Aug 2025Opens 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$1,166 for one-way flights and HK$2,331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 23 Aug - Tue, 26 Aug
IAH
Houston
IAD
Washington
HK$2,331 Return, found 20 hours ago
HK$2,331
Return
found 20 hours ago
Select Delta flight, departing Sat, 23 Aug from Houston to Washington, returning Tue, 26 Aug, priced at HK$2,331 found 20 hours ago
United
Sat, 23 Aug - Tue, 26 Aug
IAH
Houston
DCA
Washington
HK$2,812 Return, found 20 hours ago
HK$2,812
Return
found 20 hours ago
Select United flight, departing Sat, 23 Aug from Houston to Washington, returning Tue, 26 Aug, priced at HK$2,812 found 20 hours ago
Air Canada
Sun, 7 Sep - Sat, 13 Sep
HKG
Hong Kong SAR
DCA
Washington
HK$6,980 Return, found 3 days ago
HK$6,980
Return
found 3 days ago
Select Air Canada flight, departing Sun, 7 Sep from Hong Kong SAR to Washington, returning Sat, 13 Sep, priced at HK$6,980 found 3 days ago
Korean Air
Thu, 4 Dec - Fri, 5 Dec
HKG
Hong Kong SAR
IAD
Washington
HK$7,343 Return, found 4 days ago
HK$7,343
Return
found 4 days ago
Select Korean Air flight, departing Thu, 4 Dec from Hong Kong SAR to Washington, returning Fri, 5 Dec, priced at HK$7,343 found 4 days ago
Japan Airlines
Wed, 8 Oct - Wed, 15 Oct
HKG
Hong Kong SAR
DCA
Washington
HK$7,717 Return, found 4 days ago
HK$7,717
Return
found 4 days ago
Select Japan Airlines flight, departing Wed, 8 Oct from Hong Kong SAR to Washington, returning Wed, 15 Oct, priced at HK$7,717 found 4 days ago

Find the cheapest month to fly from Columbus (CMH) to Washington (DCA)

November is typically the cheapest month to fly

From HK$761 - HK$5,354 per traveller.

Graph displaying average flight prices per month

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$2,331.
How much is a flight to Sully?
One-way flights leaving Houston (IAH) sold for as little as HK$1,166 in the last seven days. During this time, the price of a return ticket to Sully varied between HK$2,331 and HK$7,717. 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$2,331 to HK$7,717.
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.
Flights to Sully information
Destination airport
Washington Dulles Intl.
Destination airport IATA code
IAD
Destination city name
Washington
Return price
HK$812

Trending flights to Sully

Prices were available within the past 7 days and start at HK$1,166 for one-way flights and HK$2,331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 22 Oct - Thu, 23 Oct
HKG
Hong Kong SAR
IAD
Washington
HK$6,789 Return, found 1 day ago
HK$6,789
Return
found 1 day ago
Select United flight, departing Wed, 22 Oct from Hong Kong SAR to Washington, returning Thu, 23 Oct, priced at HK$6,789 found 1 day ago
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