$123 Cheap Flights from Hartford (BDL) to Seattle (SEA)

Hartford (BDL) to Seattle (SEA) at a glance

Explore a range of airlines providing flights from Bradley International Airport (BDL) to Seattle - Tacoma International Airport (SEA) on this domestic long-haul journey. Whether you're seeking cheap flights from Hartford or prefer a full-service experience, you can compare various options to find the best airfare that aligns with your budget and travel plans. Get ready to discover Seattle's iconic sights and vibrant neighborhoods with convenience and ease.

• Fastest (typical) flight duration: around 7h 15m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 2,400 miles (3,860 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $160–$545, depending on seasonality and how far ahead you book

Flights from Bradley International Airport (BDL) to Seattle - Tacoma International Airport (SEA)

Based on the latest traveler bookings, here are the top airlines favored for flights from Hartford to Seattle, particularly for one-stop and multi-stop journeys. Common layover points include O'Hare International Airport (ORD) with approximately a 1-hour and 15-minute wait, Minneapolis - St. Paul International Airport (MSP) at about an hour, and Detroit Metropolitan Wayne County Airport (DTW) with a 55-minute layover. This variety allows you to customize your travel experience by adjusting price, total travel time, and cabin class to create the ideal itinerary.

• American Airlines: This full-service airline provides one-stop flights, with one-way fares usually falling between $160 and $565. It represents about 33% of all departures on this route, featuring an in-flight duration of 7 hours and 15 minutes, plus a total travel time of approximately 8 hours and 45 minutes, including layover.
• Delta: Offering one-stop service as a full-service airline, Delta's one-way fares generally range from $160 to $645. It accounts for around 31% of the departures on this route, with an in-flight time of 7 hours and 15 minutes and a total journey time of about 8 hours and 45 minutes, factoring in the layover.
• United: Another full-service carrier providing one-stop options, United's one-way fares typically vary between $160 and $645. This airline comprises approximately 23% of the route's departures, maintaining an in-flight duration of 7 hours and 15 minutes, with an overall journey time of roughly 8 hours and 45 minutes, including layover.
• Southwest Airlines: A budget-friendly option, Southwest Airlines offers both one-stop and multi-stop services. One-way fares generally range from $190 to $525, representing about 9% of departures for this route. Travelers can expect an in-flight time of 7 hours and 15 minutes, totaling around 8 hours and 45 minutes for the journey.
• Alaska Airlines: As a full-service airline providing one-stop service, Alaska Airlines features one-way fares that usually span from $245 to $610. It accounts for approximately 3% of departures on this route, with an in-flight duration of 7 hours and 15 minutes and an overall travel time of about 8 hours and 45 minutes, including any layover.

Travelers heading from Hartford to Seattle have the option to enhance their journey with upgraded flight choices. Leading airlines include Delta, which provides first class and premium economy class; American Airlines, featuring first class; and United, also offering both first class and premium economy class.

Best time to fly from Hartford (BDL) to Seattle (SEA)

The most popular months for travelers flying from Hartford to Seattle are June, July, and August, when peak temperatures in Seattle reach up to 67.5°F in August. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 44.2°F. For better deals, September usually offers the lowest average one-way fare around $276. Flight availability peaks in August, with approximately 38 flights per week, making it easier to find convenient departure times. February has the fewest flights, with approximately 14 flights per week.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $276, roughly 19% cheaper than the yearly average.
• Another budget-friendly time to fly: August typically offers an average one-way fare of around $298.
• Most flight options: August has the highest number of flights from Hartford to Seattle, with approximately 38 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 routes from Hartford (BDL) to Seattle (SEA)

• Hartford to Seattle (BDL-BFI): Boeing Field Airport (BFI) is located approximately 6 miles from Seattle - Tacoma International Airport (SEA).
• Hartford to Seattle (HFD-SEA): Hartford - Brainard Airport (HFD) lies about 13 miles from Bradley International Airport (BDL).
• New Haven to Seattle (HVN-SEA): Tweed - New Haven Regional Airport (HVN) is roughly 47 miles distant from Bradley International Airport (BDL).

How to find the best prices for flights from Hartford (BDL) to Seattle (SEA)

Getting some of the best deals on flights from Hartford to Seattle 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 generally available when booking 2-8 weeks in advance, which is also when most travelers make their reservations. Afternoon departures from 12 PM to 6 PM usually offer lower prices, although morning flights from 5 AM to 12 PM are more popular. Additionally, flying on Wednesday provides both better prices and is the most favored 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 Seattle - Tacoma International Airport from Bradley International Airport

Seattle welcomes travelers from Hartford with a range of transport options based on price, convenience, and proximity. For departures, Bradley International Airport is roughly a 15-minute drive (covering about 12 miles) from central Hartford. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
• Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International 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 Seattle-Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles from the airport and easily accessible on foot, while Tukwila Station, a train station, is situated approximately 4.3 miles away and typically reached by car.

Hartford to Seattle Flights

The cheapest times to fly from Hartford to Seattle

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

The best time to book a flight from Hartford to Seattle

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

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 Hartford to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $123 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 Hartford to Seattle 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 Hartford to Seattle 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.