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Cheap Flights from Washington Dulles (IAD) to Redmond (RDM)

Compare Washington Dulles to Redmond flight deals

Find the cheapest month or even day of the year to fly to Redmond

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Flight deals from Washington Dulles to Redmond

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Redmond? Find the lowest prices on one-way and return tickets right here.
Redmond.£224 per passenger.Departing Fri, 24 Apr, returning Fri, 1 May.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Washington Dulles on Fri, 24 Apr, arriving in Redmond.Inbound indirect flight with Alaska Airlines, departs from Redmond on Fri, 1 May, arriving in Washington Dulles.Price includes taxes and charges.From £224, select.
Redmond.£303 per passenger.Departing Thu, 16 Apr, returning Sun, 19 Apr.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Washington Dulles on Thu, 16 Apr, arriving in Redmond.Inbound indirect flight with Alaska Airlines, departs from Redmond on Sun, 19 Apr, arriving in Washington Dulles.Price includes taxes and charges.From £303, select.
Redmond.£432 per passenger.Departing Mon, 9 Mar, returning Fri, 13 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Washington Dulles on Mon, 9 Mar, arriving in Redmond.Inbound indirect flight with Delta, departs from Redmond on Fri, 13 Mar, arriving in Washington Dulles.Price includes taxes and charges.From £432, select.
Redmond.£538 per passenger.Departing Thu, 18 Jun, returning Wed, 24 Jun.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Washington Dulles on Thu, 18 Jun, arriving in Redmond.Inbound indirect flight with Alaska Airlines, departs from Redmond on Wed, 24 Jun, arriving in Washington Dulles.Price includes taxes and charges.From £538, select.

Find the cheapest month to fly from Washington Dulles to Redmond

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Redmond flights are currently cheapest in April.
Feb
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Mar
from £432
Apr
from £303
May
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Jun
from £538
Jul
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Aug
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Washington Dulles to Redmond: Alternative routes

Compare routes from Washington Dulles to Redmond below. You may find an airport to fly into that's cheaper, faster, or easier than Redmond.

Redmond

2 miles from central Redmond
ClosestCheapest
from £224
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Washington D.C. to Redmond: Flight information

The things to know before you go.
Cheapest flight found£224
Cheapest month to flyApril

Finding cheap flights from Washington Dulles to Redmond: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Redmond is £224. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Redmond. But we found flights with one or more stops from £224.
As of February 2026, there are no flights flying from Washington Dulles to Redmond.
The cheapest month to fly from Washington Dulles to Redmond is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Redmond Airport on Friday, 24 April 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Redmond Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Redmond is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Redmond.

Travelling from Washington Dulles International Airport (IAD) to Roberts Field Airport (RDM): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport on time to catch your IAD to RDM flight.

  • You can expect longer lines during popular months like April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Washington Dulles International Airport to Roberts Field Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Stopovers between IAD and RDM include:

    • Denver International Airport

    • Salt Lake City International Airport

    • Seattle-Tacoma International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Roberts Field Airport (RDM)

  • £110 is currently the best price for a one-way Washington Dulles International Airport to Roberts Field Airport flight. Return flights start from £224. These prices can change depending on availability.

  • It's usually best to book as early as possible if you want to get cheap tickets from IAD to RDM. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Washington Dulles International Airport to Roberts Field Airport throughout the month. It's a good way to find a bargain if your dates aren't set in stone.

  • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment there's a new deal on cheap flights from IAD to RDM.

  • Discover the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Washington Dulles International Airport to Roberts Field Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

  • The address for IAD is 1 Saarinen Circle.

  • When it comes to Washington Dulles International Airport's on-time performance, 74.39% of flights stick to their scheduled arrival time.

  • To reach Washington Dulles International Airport from central Washington DC, it'll take around 50 minutes if you're going by car. Of course, this depends on traffic. It's approximately 35 miles from the airport to the city centre.

  • The journey on public transport typically takes 3 hours 25 minutes.

  • Looking for a handy hotel close to IAD? If you're boarding an early flight from Washington Dulles International Airport to Roberts Field Airport, these stays will put you moments from your check-in counter:

Arriving at Roberts Field Airport (RDM)

  • The last thing you want is a long journey to your hotel if you're arriving on a late Washington Dulles International Airport to Roberts Field Airport flight. Reserve one of these accommodation options near RDM instead:

  • Travel at your own pace with a Roberts Field Airport rental car. Book your wheels from Avis, Budget or Hertz and discover more of Redmond and beyond.

  • Get the best deal by booking your vehicle from Roberts Field Airport about one week ahead of your departure.

Getting from Roberts Field Airport (RDM) to central Redmond

  • Roberts Field Airport is roughly 2 miles from the centre of Redmond. The drive time takes around 10 minutes.

  • If you're travelling on public transport, expect a journey time of about 50 minutes.

When to fly to Roberts Field Airport (RDM)

  • July is the busiest month for flights from Washington Dulles International Airport to Roberts Field Airport. For a quieter experience, head to Redmond in May.

  • When reserving your flight from Washington Dulles International Airport to Roberts Field Airport, think about the kind of weather you like. July is the warmest month in Redmond, with temperatures ranging from 10ºC (50ºF) to 32ºC (90ºF).

  • Search for cheap tickets from IAD to RDM in December if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -10ºC (14ºF) and 8ºC (46ºF) on average.

Explore more of United States

  • Seattle is just one of the many cities in United States waiting to be explored after you've experienced Redmond. Around 240 miles away to the north, its best attractions include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • Around 110 miles north-west of Redmond, Portland is another favourite stop in United States. Start your sightseeing at Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

Plan the rest of your trip from Washington D.C. to Redmond

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.