Cheap Flights from Washington (IAD) to Lethbridge (YQL)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Lethbridge, AB (YQL-Lethbridge County)

Cheap Flights from Washington to Lethbridge (IAD-YQL)

Prices were available within the past 7 days and start at for one-way flights and $926 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sun, Sep 14 - Sun, Sep 21
IAD
Washington
YQL
Lethbridge
$926 Roundtrip, found 6 days ago
$926
Roundtrip
found 6 days ago
Select WestJet flight, departing Sun, Sep 14 from Washington to Lethbridge, returning Sun, Sep 21, priced at $926 found 6 days ago
WestJet
Sun, Sep 14 - Sun, Sep 21
IAD
Washington
YQL
Lethbridge
$945 Roundtrip, found 6 days ago
$945
Roundtrip
found 6 days ago
Select WestJet flight, departing Sun, Sep 14 from Washington to Lethbridge, returning Sun, Sep 21, priced at $945 found 6 days ago
WestJet
Sat, Sep 20 - Sat, Sep 27
IAD
Washington
YQL
Lethbridge
$1,001 Roundtrip, found 7 hours ago
$1,001
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sat, Sep 20 from Washington to Lethbridge, returning Sat, Sep 27, priced at $1,001 found 7 hours ago
WestJet
Tue, Aug 26 - Sun, Aug 31
IAD
Washington
YQL
Lethbridge
$1,076 Roundtrip, found 4 days ago
$1,076
Roundtrip
found 4 days ago
Select WestJet flight, departing Tue, Aug 26 from Washington to Lethbridge, returning Sun, Aug 31, priced at $1,076 found 4 days ago
WestJet
Sat, Aug 30 - Wed, Sep 3
IAD
Washington
YQL
Lethbridge
$1,078 Roundtrip, found 1 day ago
$1,078
Roundtrip
found 1 day ago
Select WestJet flight, departing Sat, Aug 30 from Washington to Lethbridge, returning Wed, Sep 3, priced at $1,078 found 1 day ago
WestJet
Tue, Aug 26 - Sun, Aug 31
IAD
Washington
YQL
Lethbridge
$1,097 Roundtrip, found 4 days ago
$1,097
Roundtrip
found 4 days ago
Select WestJet flight, departing Tue, Aug 26 from Washington to Lethbridge, returning Sun, Aug 31, priced at $1,097 found 4 days ago
WestJet
Sat, Aug 30 - Wed, Sep 3
IAD
Washington
YQL
Lethbridge
$1,206 Roundtrip, found 1 day ago
$1,206
Roundtrip
found 1 day ago
Select WestJet flight, departing Sat, Aug 30 from Washington to Lethbridge, returning Wed, Sep 3, priced at $1,206 found 1 day ago
WestJet
Fri, Aug 29 - Wed, Sep 3
IAD
Washington
YQL
Lethbridge
$1,363 Roundtrip, found 1 day ago
$1,363
Roundtrip
found 1 day ago
Select WestJet flight, departing Fri, Aug 29 from Washington to Lethbridge, returning Wed, Sep 3, priced at $1,363 found 1 day ago
WestJet
Tue, Aug 26 - Sun, Aug 31
IAD
Washington
YQL
Lethbridge
$1,799 Roundtrip, found 4 days ago
$1,799
Roundtrip
found 4 days ago
Select WestJet flight, departing Tue, Aug 26 from Washington to Lethbridge, returning Sun, Aug 31, priced at $1,799 found 4 days ago
WestJet
Sat, Sep 20 - Sat, Sep 27
IAD
Washington
YQL
Lethbridge
$1,799 Roundtrip, found 7 hours ago
$1,799
Roundtrip
found 7 hours ago
Select WestJet flight, departing Sat, Sep 20 from Washington to Lethbridge, returning Sat, Sep 27, priced at $1,799 found 7 hours ago
Flights from Washington (IAD) to Lethbridge (YQL)
Origin airport
Washington Dulles Intl.
Destination airport
Lethbridge County
Airlines serving
WestJet
Roundtrip price
$926
Distance
1875 mi

Washington to Lethbridge Flights

The cheapest times to fly from Washington to Lethbridge

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Lethbridge are during the month of September. You can find some of the cheapest flights from Washington to Lethbridge with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Lethbridge

Sunday is one of the best days to book for cheap flights from Washington to Lethbridge: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Lethbridge

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Lethbridge in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Lethbridge flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Lethbridge airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL) cost?
Secure a cheap one-way flight or cheap return flight from $926 from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL)?
Flying in September can help you save, as it's the cheapest month for flights between IAD and YQL. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL)?
To find the cheapest airline flying from IAD to YQL, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL)?
You'll need to hop on a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from IAD to YQL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL)?
To land at Lethbridge County Airport (YQL) without delays, choose a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL) last-minute?
Booking your flight from IAD to YQL right before your trip is usually more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to YQL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to YQL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Lethbridge County Airport (YQL)?
If you booked your IAD to YQL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.