Find flights
When to book
Airlines
FAQs

Cheap flights from Seattle to Prague

SEA — PRG
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Prague (PRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 September 2025.

Popular in

June

Cheapest in

October

Average price

C$ 995
Highest demand for flights based on searches. 2% potential increase in price (C$ 44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Best time to book a flight from Seattle to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Prague

How far ahead should I book a flight from Seattle to Prague?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Prague. Price data was last updated on 12 September 2025.

The price you pay for your flight from Seattle to Prague may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Prague?

Currently, November is the cheapest month in which you can book a flight from Seattle to Prague (average of C$ 644). Flying from Seattle to Prague in December is currently the most expensive (average of C$ 985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to PRG?

Find hourly flight availability from Seattle to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Prague in the morning. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Prague. Reviews last updated 16 September 2025.
Get a feel of what it's like to fly with Icelandair from Seattle to Prague by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
544 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.2

Food

6.2

Comfort

6.9

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
544 reviews
Icelandair
7.0
Good
544 reviews
Check prices

Entertainment

7.0

Crew

8.0

Boarding

7.2

Food

6.2

Comfort

6.9

Overall

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Seattle to Prague round-trip?

    Our cheapest airline available from Seattle to Prague is Icelandair. Our recent data shows that you can find tickets from as low as C$ 660 on this airline. Users have found that Icelandair is 39% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Prague that include hotel bookings?

    Yes. In addition to deals on Seattle to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Prague.

  • Can I find deals for business class flights from Seattle to Prague?

    Yes. Cheapflights offers flight deals from Seattle to Prague by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Prague?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Prague (average of C$ 644). Flying from Seattle to Prague in December is currently the most expensive (average of C$ 985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seattle to Prague

Discover the top airline that operate flights from Seattle to Prague. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 660AverageC$ 696FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Prague?

Deals for Seattle to Prague flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Prague?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Prague by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Prague with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Prague flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Prague become cheaper?

Of course! You can now track prices for flights from Seattle to Prague and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.