Flight to Sullivan County

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

Popular airlines to Sullivan 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 Sullivan 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 Sullivan County that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Firstly, type in your preferred dates and destination and click on "Search." Next step? Check the "No change fee" box directly below the "Flexible change policies" subheading on the top left of your screen. Step 3. Book your flexible and cheap flight to Sullivan County.
Which airlines fly to Sullivan County?
Settle on your holiday dates and then touch down in or near Sullivan County with one of these well-known airlines:

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

How can I find cheap tickets to Sullivan County?
An useful strategy for walking away with cheap tickets is to be flexible with your travel dates. Start by searching for your flight to Sullivan County, then click on the "flexible dates" box for a list of prices for nearby days. Another helpful hint? Book in advance. For an idea of costs, S$297 was the lowest price for a flight to Sullivan County in the last seven days.
How much is a flight to Sullivan County?
In the last seven days, return flights to Sullivan County sold for as low as S$297 and peaked at S$769. For one-way fares taking off from Houston (IAH), the cheapest seat during this same period was just S$341.
What are the most popular airports to fly into in Sullivan County?
The main entryway to Sullivan County, about 385 flights touch down at Tri-Cities Regional Airport (TRI) each month. Keep an eye out for an awesome deal, book your ticket and get ready to discover this sensational region.
When is the cheapest time to fly to Sullivan County?
Departing on a Tuesday, followed by a Monday, is usually the best way to score the cheapest airfare. Avoid weekends if possible, because Saturday is typically the most expensive day. Spend the cash you saved living it up in Sullivan County instead!
How much is a plane ticket to Sullivan County?
In the last seven days, airfares to Sullivan County ranged from S$297 to S$769.
What is the best time to go to Sullivan County?
March, June and November are the most popular months to explore Kingsport, one of Sullivan County's most fascinating cities. Summer here starts June 20. Average temperatures vary from 16ºC to 29ºC across the season, so consider travelling then if you enjoy warmer weather.
What months are the cheapest to book a flight to Sullivan County?
The ideal month to book well-priced fares to Sullivan County is February. Bear in mind that in the USA, an expensive time to reserve a seat is during the busy month of December.

Book with confidence

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

Travel information

Sullivan County Flights Information

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

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