Cheap Flights to Sullivan County

View AU$1,011 flight on Tue, 4 Aug 2026Opens in a new window

Popular airlines to Sullivan County

  • American Airlines

  • Delta

  • United

  • KLM

  • Air France

  • Breeze Airways

  • Virgin Atlantic

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Cheapest Flights to Sullivan County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$473 Return, found 3 hours ago
AU$473
Return
found 3 hours ago
Select American Airlines flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$473 found 3 hours ago
Delta
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$473 Return, found 3 hours ago
AU$473
Return
found 3 hours ago
Select Delta flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$473 found 3 hours ago
American Airlines
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$481 Return, found 3 hours ago
AU$481
Return
found 3 hours ago
Select American Airlines flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$481 found 3 hours ago
American Airlines
Tue, 28 Apr - Tue, 5 May
MKE
Milwaukee
TRI
Tri-Cities
AU$523 Return, found 3 hours ago
AU$523
Return
found 3 hours ago
Select American Airlines flight, departing Tue, 28 Apr from Milwaukee to Tri-Cities, returning Tue, 5 May, priced at AU$523 found 3 hours ago
Delta
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$543 Return, found 3 hours ago
AU$543
Return
found 3 hours ago
Select Delta flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$543 found 3 hours ago
Delta
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$544 Return, found 3 hours ago
AU$544
Return
found 3 hours ago
Select Delta flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$544 found 3 hours ago
American Airlines
Wed, 29 Apr - Wed, 6 May
MKE
Milwaukee
TRI
Tri-Cities
AU$545 Return, found 3 hours ago
AU$545
Return
found 3 hours ago
Select American Airlines flight, departing Wed, 29 Apr from Milwaukee to Tri-Cities, returning Wed, 6 May, priced at AU$545 found 3 hours ago
United
Mon, 8 June - Sun, 21 June
SYD
Sydney
TRI
Tri-Cities
AU$2,096 Return, found 2 days ago
AU$2,096
Return
found 2 days ago
Select United flight, departing Mon, 8 June from Sydney to Tri-Cities, returning Sun, 21 June, priced at AU$2,096 found 2 days ago
Jetstar
Mon, 12 Oct - Wed, 28 Oct
PER
Perth
TRI
Tri-Cities
AU$3,010 Return, found 4 days ago
AU$3,010
Return
found 4 days ago
Select Jetstar flight, departing Mon, 12 Oct from Perth to Tri-Cities, returning Wed, 28 Oct, priced at AU$3,010 found 4 days ago
Cathay Pacific
Tue, 26 May - Sat, 30 May
BNE
Brisbane
TRI
Tri-Cities
AU$3,025 Return, found 1 day ago
AU$3,025
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 26 May from Brisbane to Tri-Cities, returning Sat, 30 May, priced at AU$3,025 found 1 day ago

Trending flights to Sullivan 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.

United
Mon, 8 June - Sun, 21 June
SYD
Sydney
TRI
Tri-Cities
AU$2,096 Return, found 2 days ago
AU$2,096
Return
found 2 days ago
Select United flight, departing Mon, 8 June from Sydney to Tri-Cities, returning Sun, 21 June, priced at AU$2,096 found 2 days 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, AU$473 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 AU$473 and peaked at AU$3,025. For one-way fares taking off from Melbourne (MEL), the cheapest seat during this same period was just AU$1,011.
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 AU$473 to AU$3,025.
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.

Travel information

Sullivan County Flights Information

Airlines serving
American Airlines, Delta, United, Jetstar, Qatar Airways, Cathay Pacific
Roundtrip price
from AU$473
Sullivan County Flights Information

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