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DCA SEA · 2,323 mi · 5h 05m

Washington D.C. (Reagan) to Seattle Flights

Everything you need to know about the DCA → SEA domestic route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.

$130-$650 round trip · 6+ daily flights · Updated March 2026


✈️ Route Overview

Key facts for the Washington D.C. (Reagan) to Seattle route

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Distance
2,323 miles (3,738 km)
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Avg Flight Time
5h 05m
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Timezone Change
-3 hours
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Daily Flights
6+
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Typical Fare
$130-$650 round trip
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Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating DCA → SEA flights

Airline Notes
Delta SkyMiles frequent flyer program
American Airlines AAdvantage frequent flyer program
United MileagePlus frequent flyer program
Southwest Rapid Rewards — bags fly free
Alaska Airlines Mileage Plan — generous earning rates
JetBlue TrueBlue — free snacks, above-average legroom

💡 Booking Tips

How to get the best deal on Washington D.C. (Reagan) to Seattle flights

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Best Days to Fly

Tuesday and Thursday tend to have lower demand and better fares

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Fare Range

$130-$650 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

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Red-Eye Flights

✓ Available

Overnight flights on this route can save on hotel costs and maximize your time at the destination.

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Track Your Flight

Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.


🧳 Travel Tips for This Route

Practical advice from frequent travelers on the DCA → SEA route

  • 1 Book 6–8 weeks out for transcontinental routes to get the best fares.
  • 2 TSA PreCheck or Global Entry is strongly recommended for frequent flyers.


📱 Real-Time Flight Tracking

Track Your DCA → SEA Flight — Automatically

TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.


Frequently Asked Questions — Washington D.C. (Reagan) to Seattle Flights

How long is the flight from Washington D.C. (Reagan) to Seattle?

The average flight time from Washington D.C. (Reagan) (DCA) to Seattle (SEA) is 5h 05m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.

Which airlines fly from Washington D.C. (Reagan) to Seattle?

Airlines operating the DCA to SEA route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.

How far is Washington D.C. (Reagan) from Seattle?

The great-circle distance from Washington D.C. (Reagan) to Seattle is 2,323 miles (3,738 km). This is the straight-line distance — actual flight paths may be slightly longer.

What are the cheapest days to fly from Washington D.C. (Reagan) to Seattle?

Tuesday and Thursday tend to have lower demand and better fares. Fares on this route typically range $130-$650 round trip.

Is there a time zone change flying from Washington D.C. (Reagan) to Seattle?

Yes — there is a -3 hours when flying from Washington D.C. (Reagan) to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.

Are there red-eye flights from Washington D.C. (Reagan) to Seattle?

Yes, overnight (red-eye) flights are available on the DCA to SEA route. These can be a great way to save on hotel costs and maximize time at your destination.

How can I track my Washington D.C. (Reagan) to Seattle flight in real time?

TripTrack automatically tracks your DCA to SEA flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.