Cheap Flights to Williams County | Popular Routes to Williams County from HK$5,629

View HK$5,629 flight on Thu, 14 May 2026Opens in a new window

Popular airlines to Williams County

  • United

  • Delta

  • Cape Air

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Williams County

Prices were available within the past 7 days and start at HK$5,629 for one-way flights and HK$9,823 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$9,823 Return, found 9 hours ago
HK$9,823
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$9,823 found 9 hours ago
Alaska Airlines
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$9,867 Return, found 9 hours ago
HK$9,867
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$9,867 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$13,502 Return, found 9 hours ago
HK$13,502
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$13,502 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$13,546 Return, found 9 hours ago
HK$13,546
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$13,546 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$13,590 Return, found 9 hours ago
HK$13,590
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$13,590 found 9 hours ago
Alaska Airlines
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$13,803 Return, found 9 hours ago
HK$13,803
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$13,803 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$18,056 Return, found 9 hours ago
HK$18,056
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$18,056 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$18,581 Return, found 9 hours ago
HK$18,581
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$18,581 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$20,292 Return, found 9 hours ago
HK$20,292
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$20,292 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$20,817 Return, found 9 hours ago
HK$20,817
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$20,817 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$21,503 Return, found 9 hours ago
HK$21,503
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$21,503 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$21,547 Return, found 9 hours ago
HK$21,547
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$21,547 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$21,584 Return, found 9 hours ago
HK$21,584
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$21,584 found 9 hours ago
Air Canada
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$21,591 Return, found 9 hours ago
HK$21,591
Return
found 9 hours ago
Select Air Canada flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$21,591 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
YYZ
Toronto
SDY
Sidney
HK$21,899 Return, found 9 hours ago
HK$21,899
Return
found 9 hours ago
Select United flight, departing Thu, 14 May from Toronto to Sidney, returning Thu, 21 May, priced at HK$21,899 found 9 hours ago

Frequently asked questions

How do I find cheap flights to Williams County that have flexible change policies?
When it comes to flying these days, flexibility is crucial. That's why we've added a "No change fee" search function to help you track down cheap and flexible tickets to Williams County. It's at the top left of your screen just below the "Flexible change policies" heading.
Which airlines fly to Williams County?
Choose from these two respected airlines that have flights to or near Williams County:

  • United Airlines - 82 flights to or near Williams County each month, including 82 flights to Basin Intl. Airport (XWA) per month.
  • Delta Air Lines - 52 flights to or near Williams County each month, including 52 flights to Basin Intl. Airport (XWA) per month.

How can I find cheap tickets to Williams County?
Start searching as early as possible, fly in or out of nearby airports, avoid vacation periods — you're not short of ways! Another one is to use Expedia's "flexible dates" function. Search for your Williams County flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Williams County was HK$9,823.
How much is a flight to Williams County?
One-way trips departing from Toronto (YYZ) sold for just HK$5,629 in the last seven days. During this period, the cost of a round-trip journey to Williams County ranged between HK$9,823 and HK$21,899. If you spot a bargain ticket, book quickly — these fares don't hang around for long.
What are the most popular airports to fly into in Williams County?
The primary gateway to Williams County, around 134 flights cruise into Basin Intl. Airport (XWA) every month. Search for an unbeatable deal, book your ticket and prepare to soak up the best of this wonderful region.
When is the cheapest time to fly to Williams County?
Fly out on a Tuesday to raise your chances of picking up the cheapest fare to Williams County. Mondays are usually the next most affordable day to depart. Saturday is normally the costliest day to fly anywhere.
How much is a plane ticket to Williams County?
In the last seven days, airfares to Williams County varied from HK$9,823 to HK$21,899.
What is the best time to go to Williams County?
July, September and October are popular months to discover Williston, one of Williams County's most interesting cities. Summer here begins June 20. Temperatures vary from 16ºC to 27ºC at this time of year, so visit around then if you're looking for warmer weather.
What months are the cheapest to book a flight to Williams County?
To land a bargain flight to Williams County, try to book during the month of February when the price of tickets are at their lowest. What time of year is expensive? In the U.S, it's the month of December.

Book with confidence

About Williams County

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