Flight to Northumberland County

View S$238 flight on Wed, 29 Jul, 2026Opens in a new window

Popular airlines to Northumberland County

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Northumberland County

Prices were available within the past 7 days and start at S$238 for one-way flights and S$477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 15 Sept - Wed, 16 Sept
SFO
San Francisco
IAD
Washington
S$477 Return, found 13 hours ago
S$477
Return
found 13 hours ago
Select Alaska Airlines flight, departing Tue, 15 Sept from San Francisco to Washington, returning Wed, 16 Sept, priced at S$477 found 13 hours ago
Delta
Sat, 12 Sept - Wed, 23 Sept
SFO
San Francisco
IAD
Washington
S$485 Return, found 13 hours ago
S$485
Return
found 13 hours ago
Select Delta flight, departing Sat, 12 Sept from San Francisco to Washington, returning Wed, 23 Sept, priced at S$485 found 13 hours ago
Delta
Mon, 22 Jun - Mon, 13 Jul
SFO
San Francisco
BWI
Baltimore
S$492 Return, found 6 days ago
S$492
Return
found 6 days ago
Select Delta flight, departing Mon, 22 Jun from San Francisco to Baltimore, returning Mon, 13 Jul, priced at S$492 found 6 days ago
United
Tue, 25 Aug - Tue, 8 Sept
SFO
San Francisco
IAD
Washington
S$600 Return, found 13 hours ago
S$600
Return
found 13 hours ago
Select United flight, departing Tue, 25 Aug from San Francisco to Washington, returning Tue, 8 Sept, priced at S$600 found 13 hours ago
Delta
Tue, 21 Jul - Tue, 28 Jul
SFO
San Francisco
DCA
Washington
S$612 Return, found 1 day ago
S$612
Return
found 1 day ago
Select Delta flight, departing Tue, 21 Jul from San Francisco to Washington, returning Tue, 28 Jul, priced at S$612 found 1 day ago
American Airlines
Sun, 12 Jul - Mon, 13 Jul
SFO
San Francisco
IAD
Washington
S$711 Return, found 5 days ago
S$711
Return
found 5 days ago
Select American Airlines flight, departing Sun, 12 Jul from San Francisco to Washington, returning Mon, 13 Jul, priced at S$711 found 5 days ago
United
Sat, 18 Jul - Sat, 25 Jul
SFO
San Francisco
RIC
Richmond
S$752 Return, found 3 days ago
S$752
Return
found 3 days ago
Select United flight, departing Sat, 18 Jul from San Francisco to Richmond, returning Sat, 25 Jul, priced at S$752 found 3 days ago
Air China
Thu, 17 Sept - Fri, 18 Sept
SIN
Singapore
IAD
Washington
S$1,056 Return, found 5 days ago
S$1,056
Return
found 5 days ago
Select Air China flight, departing Thu, 17 Sept from Singapore to Washington, returning Fri, 18 Sept, priced at S$1,056 found 5 days ago
Japan Airlines
Wed, 11 Nov - Tue, 17 Nov
SIN
Singapore
BWI
Baltimore
S$1,504 Return, found 4 days ago
S$1,504
Return
found 4 days ago
Select Japan Airlines flight, departing Wed, 11 Nov from Singapore to Baltimore, returning Tue, 17 Nov, priced at S$1,504 found 4 days ago
Japan Airlines
Wed, 11 Nov - Tue, 17 Nov
SIN
Singapore
BWI
Baltimore
S$1,504 Return, found 4 days ago
S$1,504
Return
found 4 days ago
Select Japan Airlines flight, departing Wed, 11 Nov from Singapore to Baltimore, returning Tue, 17 Nov, priced at S$1,504 found 4 days ago
Book with confidence
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.

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
Thu, 17 Sept - Fri, 18 Sept
SIN
Singapore
IAD
Washington
S$1,056 Return, found 5 days ago
S$1,056
Return
found 5 days ago
Select Air China flight, departing Thu, 17 Sept from Singapore to Washington, returning Fri, 18 Sept, priced at S$1,056 found 5 days 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. S$477 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 S$477 and peaked at S$1,504. For one-way journeys departing from San Francisco (SFO), the lowest amount paid during this same period was S$238.
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 S$477 to S$1,504.
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

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.

Travel information

Northumberland County Flights Information

Airlines serving
Delta, Alaska Airlines, United, American Airlines, Air China, Japan Airlines
Roundtrip price
from S$477
Northumberland County Flights Information
*Available to Expedia members.