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Cheap flights to Sullivan County

View €555 flight on Tue, 22 Dec 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Sullivan County

  • American Airlines

  • Delta

  • KLM

  • Breeze Airways

  • Air France

  • Allegiant Air

  • Virgin Atlantic

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Cheap round-trip flights to Sullivan County

Prices were available within the past 7 days and start at €555 for one-way flights and €626 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€626 Return, found 3 days ago
€626
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €626 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€633 Return, found 3 days ago
€633
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €633 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€633 Return, found 3 days ago
€633
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €633 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€635 Return, found 3 days ago
€635
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €635 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€642 Return, found 3 days ago
€642
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €642 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€643 Return, found 3 days ago
€643
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €643 found 3 days ago
Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€647 Return, found 3 days ago
€647
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €647 found 3 days ago
Air France
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€657 Return, found 3 days ago
€657
Return
found 3 days ago
Select Air France flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €657 found 3 days ago
KLM
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€657 Return, found 3 days ago
€657
Return
found 3 days ago
Select KLM flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €657 found 3 days ago
American Airlines
Fri, 21 Aug - Tue, 25 Aug
BUD
Budapest
TRI
Tri-Cities
€703 Return, found 1 day ago
€703
Return
found 1 day ago
Select American Airlines flight, departing Fri, 21 Aug from Budapest to Tri-Cities, returning Tue, 25 Aug, priced at €703 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.

Delta
Mon, 18 Jan - Mon, 8 Feb
DUB
Dublin
TRI
Tri-Cities
€626 Return, found 3 days ago
€626
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Jan from Dublin to Tri-Cities, returning Mon, 8 Feb, priced at €626 found 3 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, €626 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 €626 and peaked at €1,058. For one-way fares taking off from Dublin (DUB), the cheapest seat during this same period was just €555.
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 €626 to €1,058.
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

About Sullivan County

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.
About Sullivan County
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