$719 Cheap Flights from Seattle (SEA) to Constantine (CZL)

View $719 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Constantine (CZL-Mohamed Boudiaf)

Cheap Flights from Seattle to Constantine (SEA-CZL)

Prices were available within the past 7 days and start at $719 for one-way flights and $1,058 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,058 Roundtrip, found 11 hours ago
$1,058
Roundtrip
found 11 hours ago
Select Air France flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,058 found 11 hours ago
Air France
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,070 Roundtrip, found 11 hours ago
$1,070
Roundtrip
found 11 hours ago
Select Air France flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,070 found 11 hours ago
Air France
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,083 Roundtrip, found 11 hours ago
$1,083
Roundtrip
found 11 hours ago
Select Air France flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,083 found 11 hours ago
United
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,539 Roundtrip, found 11 hours ago
$1,539
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,539 found 11 hours ago
United
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,559 Roundtrip, found 11 hours ago
$1,559
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,559 found 11 hours ago
United
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,579 Roundtrip, found 11 hours ago
$1,579
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,579 found 11 hours ago
United
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$1,674 Roundtrip, found 11 hours ago
$1,674
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $1,674 found 11 hours ago
Turkish Airlines
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$3,091 Roundtrip, found 11 hours ago
$3,091
Roundtrip
found 11 hours ago
Select Turkish Airlines flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $3,091 found 11 hours ago
Emirates
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$3,820 Roundtrip, found 11 hours ago
$3,820
Roundtrip
found 11 hours ago
Select Emirates flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $3,820 found 11 hours ago
Alaska Airlines
Fri, Sep 26 - Wed, Oct 15
SEA
Seattle
CZL
Constantine
$4,236 Roundtrip, found 11 hours ago
$4,236
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Seattle to Constantine, returning Wed, Oct 15, priced at $4,236 found 11 hours ago

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL) cost?
Grab a cheap one-way flight from $719 or cheap return flight from $1,058 from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL)?
The cheapest month to fly from SEA to CZL is September, when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from SEA to CZL. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to CZL?
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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL)?
Opt for a flight from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL) last-minute?
Booking your plane ticket from SEA to CZL shortly before your journey is typically more expensive. However, if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to CZL flight and hotel package?
You'll typically save money by securing a SEA to CZL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mohamed Boudiaf Airport (CZL)?
In most cases, you can reschedule or cancel your SEA to CZL flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Mohamed Boudiaf
Roundtrip price
$1,057
Distance
5847 mi

Book with confidence

Book with confidence

Seattle to Constantine Flights

The cheapest times to fly from Seattle to Constantine

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 Seattle to Constantine are during the month of September. You can find some of the cheapest flights from Seattle to Constantine with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Constantine

Sunday is one of the best days to book for cheap flights from Seattle to Constantine: 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 Seattle to Constantine

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 Seattle to Constantine in 2025. You can also book with separate airlines for your outbound and return journeys, from $719 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 Seattle to Constantine 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 Seattle to Constantine 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.

 

Seattle to Constantine Flights

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*Available to One Key members.