Cheap flights to Sullivan County

View €28 flight on Fri, 1 May 2026Opens in a new window

Popular airlines to Sullivan County

  • American Airlines

  • Delta

  • United

  • KLM

  • Virgin Atlantic

  • Air France

  • WestJet

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Cheap round-trip flights to Sullivan County

Prices were available within the past 7 days and start at €28 for one-way flights and €56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, 17 Apr - Mon, 20 Apr
IAD
Washington
TRI
Tri-Cities
€56 Return, found 5 days ago
€56
Return
found 5 days ago
Select Breeze Airways flight, departing Fri, 17 Apr from Washington to Tri-Cities, returning Mon, 20 Apr, priced at €56 found 5 days ago
Breeze Airways
Fri, 1 May - Fri, 8 May
IAD
Washington
TRI
Tri-Cities
€59 Return, found 1 day ago
€59
Return
found 1 day ago
Select Breeze Airways flight, departing Fri, 1 May from Washington to Tri-Cities, returning Fri, 8 May, priced at €59 found 1 day ago
Breeze Airways
Fri, 17 Apr - Mon, 20 Apr
IAD
Washington
TRI
Tri-Cities
€60 Return, found 5 days ago
€60
Return
found 5 days ago
Select Breeze Airways flight, departing Fri, 17 Apr from Washington to Tri-Cities, returning Mon, 20 Apr, priced at €60 found 5 days ago
Breeze Airways
Fri, 1 May - Fri, 8 May
IAD
Washington
TRI
Tri-Cities
€63 Return, found 1 day ago
€63
Return
found 1 day ago
Select Breeze Airways flight, departing Fri, 1 May from Washington to Tri-Cities, returning Fri, 8 May, priced at €63 found 1 day ago
Breeze Airways
Fri, 17 Apr - Mon, 20 Apr
IAD
Washington
TRI
Tri-Cities
€65 Return, found 5 days ago
€65
Return
found 5 days ago
Select Breeze Airways flight, departing Fri, 17 Apr from Washington to Tri-Cities, returning Mon, 20 Apr, priced at €65 found 5 days ago
Breeze Airways
Fri, 1 May - Fri, 8 May
IAD
Washington
TRI
Tri-Cities
€68 Return, found 1 day ago
€68
Return
found 1 day ago
Select Breeze Airways flight, departing Fri, 1 May from Washington to Tri-Cities, returning Fri, 8 May, priced at €68 found 1 day ago
American Airlines
Fri, 17 Apr - Mon, 20 Apr
IAD
Washington
TRI
Tri-Cities
€241 Return, found 5 days ago
€241
Return
found 5 days ago
Select American Airlines flight, departing Fri, 17 Apr from Washington to Tri-Cities, returning Mon, 20 Apr, priced at €241 found 5 days ago
Delta
Fri, 10 Apr - Mon, 13 Apr
IAD
Washington
TRI
Tri-Cities
€478 Return, found 14 hours ago
€478
Return
found 14 hours ago
Select Delta flight, departing Fri, 10 Apr from Washington to Tri-Cities, returning Mon, 13 Apr, priced at €478 found 14 hours ago
KLM
Fri, 3 Apr - Tue, 7 Apr
BUD
Budapest
TRI
Tri-Cities
€921 Return, found 18 hours ago
€921
Return
found 18 hours ago
Select KLM flight, departing Fri, 3 Apr from Budapest to Tri-Cities, returning Tue, 7 Apr, priced at €921 found 18 hours ago
Air France
Fri, 3 Apr - Tue, 7 Apr
OTP
Bucharest
TRI
Tri-Cities
€1,021 Return, found 1 day ago
€1,021
Return
found 1 day ago
Select Air France flight, departing Fri, 3 Apr from Bucharest to Tri-Cities, returning Tue, 7 Apr, priced at €1,021 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, €56 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 €56 and peaked at €1,030. For one-way fares taking off from Washington (IAD), the cheapest seat during this same period was just €28.
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.
How much is a plane ticket to Sullivan County?
In the last seven days, airfares to Sullivan County ranged from €56 to €1,030.
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.

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About Sullivan County

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About Sullivan County

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