$309 Cheap Flights from Seattle (SEA) to Prague (PRG)

Seattle (SEA) to Prague (PRG) at a glance

Travel between Seattle (SEA) and Prague (PRG) with a selection of airlines catering to this international long-haul route. Explore options from both full-service and low-cost carriers to discover the itinerary that aligns with your budget, schedule, and travel aspirations as you immerse yourself in the iconic sights and neighborhoods of Prague. Here, you'll find essential information about flights departing from Seattle-Tacoma International Airport (SEA) to Václav Havel Airport (PRG).

• Fastest flight duration: around 11h 15m in-flight, plus roughly 2h 30m layover with one stop
• Route distance: roughly 5,200 miles (8,370 km)
• Flights per week: around 10 departures on average
• Typical fares (one-way): economy tickets often range from $235–$895, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Vaclav Havel Airport (PRG)

Based on recent traveler bookings, here are the top airlines preferred for flights from Seattle to Prague, particularly for one-stop and multi-stop journeys. Common layover points include Frankfurt International Airport (FRA) with approximately a 2 hour and 45 minute layover, Keflavik International Airport (KEF) at about 1 hour, and Schiphol Airport (AMS) with approximately a 3 hour and 30 minute layover. This variety allows you to balance price, travel time, and cabin class to create the ideal itinerary.

• Icelandair: This full-service airline provides one-stop flights, with one-way ticket prices typically between $235 and $895. It represents around 15% of departures on this route, featuring an in-flight duration of 11 hours and 15 minutes, and an overall travel time of approximately 13 hours and 45 minutes, including layovers.
• United: A comprehensive service airline, United offers both one-stop and multi-stop options. One-way fares generally range from $275 to $2,675, making up about 15% of departures on this route. Expect around 11 hours and 15 minutes in the air, with total travel time close to 13 hours and 45 minutes.
• Lufthansa: As a full-service carrier, Lufthansa provides one-stop services with one-way fares typically priced from $250 to $705. It accounts for roughly 14% of departures on this route, boasting an in-flight time of 11 hours and 15 minutes and a total journey duration of about 13 hours and 45 minutes, including layovers.
• Condor: This low-cost airline offers one-stop services at one-way fares ranging from $245 to $730. Condor represents approximately 12% of departures for this route, with an in-flight time of 11 hours and 15 minutes and total travel time nearing 13 hours and 45 minutes, factoring in layovers.
• British Airways: A full-service option, British Airways provides one-stop flights with one-way fares typically falling between $235 and $845. This carrier accounts for about 11% of departures on this route, with an in-flight duration of 11 hours and 15 minutes and a total journey time of around 13 hours and 45 minutes, including layovers.

Travelers flying from Seattle to Prague can opt for an upgrade, with both United and American Airlines offering business class for this route.

Best time to fly from Seattle (SEA) to Prague (PRG)

The most popular months for travelers flying from Seattle to Prague are March, April, and September, when peak temperatures in Prague reach up to 59.4°F in September. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 50°F and typically the lowest average one-way fare (around $386). Flight availability peaks in September, with approximately 13 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: October usually offers good deals with average one-way fare around $386, roughly 27% cheaper than the yearly average.
• Another budget-friendly time to fly: January typically offers an average one-way fare of around $413.
• Most flight options: September has the highest number of flights from Seattle to Prague, with approximately 13 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Prague (PRG)

• Seattle to Prague (BFI-PRG): Boeing Field Airport (BFI) is located approximately 6 miles from Seattle - Tacoma International Airport (SEA).

How to find the best prices for flights from Seattle (SEA) to Prague (PRG)

Getting some of the best deals on flights from Seattle to Prague is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, which coincides with when most travelers make their reservations. Departures in the afternoon (12 PM to 6 PM) often provide lower prices and are also the most sought-after flight times. Additionally, flying on Sunday tends to be cheaper, while Friday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Vaclav Havel Airport from Seattle - Tacoma International Airport

Prague welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Prague efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Prague, with private rides that can be arranged in advance.
• Car rental: Renting a car from Vaclav Havel Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Vaclav Havel Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Vaclav Havel Airport, several key transport links are conveniently accessible by car. Středokluky Station, a train station, is located about 3.2 miles from the airport, while Divoká Šárka Stop, a metro station, is approximately 4 miles away. Additionally, Prague Seaport, a seaport, can be reached in about 9 miles by car.

Seattle to Prague Flights

The cheapest times to fly from Seattle to Prague

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

The best time to book a flight from Seattle to Prague

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

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 Prague in 2026. You can also book with separate airlines for your outbound and return journeys, from $309 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 Prague 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 Prague 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.