Flight to Washington County

View S$341 flight on Wed, 25 Feb, 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • KLM

    KLM

  • Breeze Airways

    Breeze Airways

  • Air France

    Air France

  • Virgin Atlantic

    Virgin Atlantic

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at S$341 for one-way flights and S$297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$297 Return, found 1 day ago
S$297
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$297 found 1 day ago
American Airlines
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$387 Return, found 1 day ago
S$387
Return
found 1 day ago
Select American Airlines flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$387 found 1 day ago
Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$393 Return, found 1 day ago
S$393
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$393 found 1 day ago
Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$458 Return, found 1 day ago
S$458
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$458 found 1 day ago
American Airlines
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$460 Return, found 1 day ago
S$460
Return
found 1 day ago
Select American Airlines flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$460 found 1 day ago
American Airlines
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$490 Return, found 1 day ago
S$490
Return
found 1 day ago
Select American Airlines flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$490 found 1 day ago
American Airlines
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$501 Return, found 1 day ago
S$501
Return
found 1 day ago
Select American Airlines flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$501 found 1 day ago
Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$508 Return, found 1 day ago
S$508
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$508 found 1 day ago
Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$522 Return, found 1 day ago
S$522
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$522 found 1 day ago
Delta
Wed, 25 Feb - Wed, 4 Mar
IAH
Houston
TRI
Tri-Cities
S$525 Return, found 1 day ago
S$525
Return
found 1 day ago
Select Delta flight, departing Wed, 25 Feb from Houston to Tri-Cities, returning Wed, 4 Mar, priced at S$525 found 1 day ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
When it comes to flying these days, flexibility is crucial. That's why we've added a "No change fee" search function to help you find cheap and flexible flights to Washington County. It's near the top left of your screen under the "Flexible change policies" subheading.
Which airlines fly to Washington County?
When you're ready to reserve your airfare to or near Washington County, these quality airlines look forward to welcoming you on board:

  • American Airlines - 260 flights to or near Washington County each month, including 260 flights to Tri-Cities Regional Airport (TRI) per month.
  • Delta Air Lines - 108 flights to or near Washington County each month, including 108 flights to Tri-Cities Regional Airport (TRI) per month.
  • Allegiant Air - 17 flights to or near Washington County each month, including 17 flights to Tri-Cities Regional Airport (TRI) per month.

How can I find cheap tickets to Washington County?
For an unbeatable deal to Washington County, book ahead of time. Also think about using Expedia's handy "flexible dates" feature at the top of your search results. This will display prices for the days around your travel dates. In the last seven days, S$297 was the best price for a flight to Washington County.
How much is a flight to Washington County?
There were lots of affordable fares up for grabs in the last seven days, with the cost of a round-trip flight to Washington County varying between S$297 and S$769. Many lucky travellers scored one-way tickets from Houston (IAH) for only S$341.
What are the most popular airports to fly into in Washington County?
Book your flight to Tri-Cities Regional Airport (TRI) and experience everything that Washington County has to offer. As the region's main entry point, about 385 flights touch down here each month.
When is the cheapest time to fly to Washington County?
If you're not set on what date you travel to Washington County, try to depart early on in the week. The cheapest day to take off is normally Tuesday, followed closely by Monday. Saturday is typically the priciest day, with a lot of people preferring to take off on the weekend.
How much is a plane ticket to Washington County?
In the last seven days, fares to Washington County varied between S$297 and S$769. Prices rise as your travel date nears, so land yourself a bargain today.
What is the best time to go to Washington County?
If you're eager to enjoy Washington County's most populous city at its liveliest, travel to Johnson City sometime during March, April and August. Similar to most places in the Northern Hemisphere, summer here begins June 20, with temperatures ranging between 16ºC and 29ºC.
What months are the cheapest to book a flight to Washington County?
Book your ticket in February for bargain flight deals to Washington County. The festive month of December is generally the most expensive time to buy a seat.

Book with confidence

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

Travel information

Washington County Flights Information

Airlines serving
Delta, American Airlines, United
Roundtrip price
from S$297
Washington County Flights Information

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