A river winding through a densely forested valley with a steep hillside on one side and a clear blue sky above.

Cheap Flights to Warren County | Popular Routes to Warren County from HK$2,366

View HK$2,366 flight on Mon, 20 Jul 2026Opens in a new window

Popular airlines to Warren County

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  • United

  • Frontier Airlines

  • Lufthansa

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Cheap round-trip flights to Warren County

Prices were available within the past 7 days and start at HK$2,366 for one-way flights and HK$4,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,150 Return, found 1 day ago
HK$4,150
Return
found 1 day ago
Select United flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,150 found 1 day ago
American Airlines
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,350 Return, found 1 day ago
HK$4,350
Return
found 1 day ago
Select American Airlines flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,350 found 1 day ago
United
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,414 Return, found 1 day ago
HK$4,414
Return
found 1 day ago
Select United flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,414 found 1 day ago
United
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,582 Return, found 1 day ago
HK$4,582
Return
found 1 day ago
Select United flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,582 found 1 day ago
American Airlines
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,688 Return, found 1 day ago
HK$4,688
Return
found 1 day ago
Select American Airlines flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,688 found 1 day ago
United
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,772 Return, found 1 day ago
HK$4,772
Return
found 1 day ago
Select United flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,772 found 1 day ago
United
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,816 Return, found 1 day ago
HK$4,816
Return
found 1 day ago
Select United flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,816 found 1 day ago
American Airlines
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$4,972 Return, found 1 day ago
HK$4,972
Return
found 1 day ago
Select American Airlines flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$4,972 found 1 day ago
American Airlines
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$5,016 Return, found 1 day ago
HK$5,016
Return
found 1 day ago
Select American Airlines flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$5,016 found 1 day ago
Delta
Mon, 20 Jul - Tue, 28 Jul
SJO
San José
ABE
Allentown
HK$7,300 Return, found 1 day ago
HK$7,300
Return
found 1 day ago
Select Delta flight, departing Mon, 20 Jul from San José to Allentown, returning Tue, 28 Jul, priced at HK$7,300 found 1 day ago

Frequently asked questions

How do I find cheap flights to Warren County that have flexible change policies?
It's as easy as counting 1-2-3 with Expedia. Firstly, enter your preferred travel dates and click the "Search" button. Next, check "No change fee" directly below the "Flexible change policies" filter on the left-hand side of your screen. Step 3. Score a flexible and cheap fare to Warren County.
Which airlines fly to Warren County?
Wherever you're planning to wander in Warren County and whenever you're hoping to jet off, you'll discover your ideal flight among these airlines:

  • Delta Air Lines - 12,579 flights to or near Warren County each month, including 6,833 flights to LaGuardia Airport (LGA) and 4,983 flights to John F. Kennedy Intl. Airport (JFK) per month.
  • United Airlines - 10,320 flights to or near Warren County each month, including 9,371 flights to Liberty Intl. Airport (EWR) and 949 flights to LaGuardia Airport (LGA) per month.
  • American Airlines - 6,207 flights to or near Warren County each month, including 3,348 flights to LaGuardia Airport (LGA) and 2,194 flights to John F. Kennedy Intl. Airport (JFK) per month.

How can I find cheap tickets to Warren County?
For an amazing deal to Warren County, book ahead of time. Also consider using Expedia's "flexible dates" link above your search results. This will compare the cheapest prices for nearby days. In the last seven days, HK$4,150 was the lowest price for a flight to Warren County.
How much is a flight to Warren County?
If you were traveling one way from San José (SJO), you could've snapped up an affordable fare for just HK$2,366 in the last seven days. Round-trip journeys to Warren County ranged from only HK$4,150 to HK$7,300 during this same period.
What are the most popular airports to fly into in Warren County?
Take off for Warren County and you'll have several leading airports to pick from. Below are three of the region's busiest:

  • LaGuardia Airport (LGA) - 13,874 flights per month.
  • Liberty Intl. Airport (EWR) - 12,454 flights per month.
  • John F. Kennedy Intl. Airport (JFK) - 11,149 flights per month.

When is the cheapest time to fly to Warren County?
Take off for Warren County early on in the week and you'll usually be rewarded with lower-cost fares. Tuesday is generally the cheapest day to get on a plane, with Monday a close second. If you'd like to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Warren County?
In the last seven days, tickets varied between HK$4,150 and HK$7,300. Have a look at our awesome deals to Warren County, make a booking and then start packing your suitcase.
What is the best time to go to Warren County?
June, July and August are the most popular months to discover the wonders of Phillipsburg, one of Warren County's top cities. Summer here starts June 20. Temperatures range from 16ºC to 27ºC across this season, so visit around then if you prefer warmer weather.
What months are the cheapest to book a flight to Warren County?
February is a good month to get your hands on a terrific deal to Warren County. Keep in mind that the priciest time to reserve a seat in the U.S. Isn't during the height of summer, but in December.

Book with confidence

About Warren County

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