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Cheap Flights to Northumberland County | Popular Routes to Northumberland County from HK$3,595

View HK$3,595 flight on Wed, 26 Aug 2026Opens in a new window

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Cheap round-trip flights to Northumberland County

Prices were available within the past 7 days and start at HK$3,595 for one-way flights and HK$7,240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 5 Jul - Thu, 24 Sept
LIS
Lisbon
IAD
Washington
HK$7,240 Return, found 19 hours ago
HK$7,240
Return
found 19 hours ago
Select Delta flight, departing Sun, 5 Jul from Lisbon to Washington, returning Thu, 24 Sept, priced at HK$7,240 found 19 hours ago
Air China
Tue, 7 Jul - Tue, 14 Jul
HKG
Hong Kong SAR
IAD
Washington
HK$7,479 Return, found 1 day ago
HK$7,479
Return
found 1 day ago
Select Air China flight, departing Tue, 7 Jul from Hong Kong SAR to Washington, returning Tue, 14 Jul, priced at HK$7,479 found 1 day ago
Air Canada
Sun, 5 Jul - Wed, 23 Sept
LIS
Lisbon
DCA
Washington
HK$7,610 Return, found 19 hours ago
HK$7,610
Return
found 19 hours ago
Select Air Canada flight, departing Sun, 5 Jul from Lisbon to Washington, returning Wed, 23 Sept, priced at HK$7,610 found 19 hours ago
KLM
Sun, 5 Jul - Mon, 28 Sept
LIS
Lisbon
IAD
Washington
HK$7,648 Return, found 20 hours ago
HK$7,648
Return
found 20 hours ago
Select KLM flight, departing Sun, 5 Jul from Lisbon to Washington, returning Mon, 28 Sept, priced at HK$7,648 found 20 hours ago
United
Sun, 5 Jul - Thu, 24 Sept
LIS
Lisbon
DCA
Washington
HK$7,674 Return, found 19 hours ago
HK$7,674
Return
found 19 hours ago
Select United flight, departing Sun, 5 Jul from Lisbon to Washington, returning Thu, 24 Sept, priced at HK$7,674 found 19 hours ago
Swiss International Air Lines
Sun, 5 Jul - Wed, 23 Sept
LIS
Lisbon
IAD
Washington
HK$7,791 Return, found 19 hours ago
HK$7,791
Return
found 19 hours ago
Select Swiss International Air Lines flight, departing Sun, 5 Jul from Lisbon to Washington, returning Wed, 23 Sept, priced at HK$7,791 found 19 hours ago
United
Wed, 2 Sept - Thu, 3 Sept
HKG
Hong Kong SAR
DCA
Washington
HK$7,795 Return, found 1 day ago
HK$7,795
Return
found 1 day ago
Select United flight, departing Wed, 2 Sept from Hong Kong SAR to Washington, returning Thu, 3 Sept, priced at HK$7,795 found 1 day ago
Delta
Tue, 20 Oct - Sun, 25 Oct
HKG
Hong Kong SAR
BWI
Baltimore
HK$7,820 Return, found 2 days ago
HK$7,820
Return
found 2 days ago
Select Delta flight, departing Tue, 20 Oct from Hong Kong SAR to Baltimore, returning Sun, 25 Oct, priced at HK$7,820 found 2 days ago
Korean Air
Wed, 2 Sept - Wed, 2 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$7,841 Return, found 1 day ago
HK$7,841
Return
found 1 day ago
Select Korean Air flight, departing Wed, 2 Sept from Hong Kong SAR to Washington, returning Wed, 2 Sept, priced at HK$7,841 found 1 day ago
Qatar Airways
Fri, 26 Mar - Tue, 6 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$8,277 Return, found 22 hours ago
HK$8,277
Return
found 22 hours ago
Select Qatar Airways flight, departing Fri, 26 Mar from Hong Kong SAR to Washington, returning Tue, 6 Apr, priced at HK$8,277 found 22 hours ago

Trending flights to Northumberland County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, 7 Jul - Tue, 14 Jul
HKG
Hong Kong SAR
IAD
Washington
HK$7,479 Return, found 1 day ago
HK$7,479
Return
found 1 day ago
Select Air China flight, departing Tue, 7 Jul from Hong Kong SAR to Washington, returning Tue, 14 Jul, priced at HK$7,479 found 1 day ago

Frequently asked questions

How do I find cheap flights to Northumberland County that have flexible change policies?
We know that things can change in a flash, so choosing a flexible airfare with Expedia is always a wise idea. Simply mark the "No change fee" box directly below the "Flexible change policies" filter. Your low-priced, flexible flight to Northumberland County is just a few clicks away.
Which airlines fly to Northumberland County?
Wherever you're eager to travel in Northumberland County and whenever you hope to go, you'll discover your perfect flight with one of these top airlines:

  • American Airlines - 7,501 flights to or near Northumberland County 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 Northumberland County 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 Northumberland County 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 Northumberland County?
You'll always pick up an epic deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred flight date, then check the flexible dates box above to see the cheapest prices for nearby days. HK$7,240 was the best price for a flight to Northumberland County in the last seven days.
How much is a flight to Northumberland County?
In the last seven days, return tickets to Northumberland County sold for as little as HK$7,240 and peaked at HK$8,277. For one-way journeys departing from Lisbon (LIS), the lowest amount paid during this same period was HK$3,595.
What are the most popular airports to fly into in Northumberland County?
When it comes to working out which airport in Northumberland County to jet into, here are your options:

  • 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 Northumberland County?
Fly out on a Tuesday to boost your chances of getting the cheapest fare to Northumberland County. Mondays are usually the second most affordable day to take off. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Northumberland County?
In the last seven days, plane fares to Northumberland County fluctuated from HK$7,240 to HK$8,277.
What months are the cheapest to book a flight to Northumberland County?
A cheap month to land a great deal to Northumberland County is February, while the priciest month is December. Try to avoid this month if you want to save your dollars.

Book with confidence

About Northumberland County

Expedia offers flights to Northumberland County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Northumberland County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Northumberland County
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