RAP - IAD

$128 Find Cheap Flights from Rapid City to Washington Dulles Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$321
Typical prices: $328-$644
Delta
Fri 4/6Fri 4/13
RAP - IAD • 1 stop
Cheapest one-way
$128
Typical prices: $365-$370
Multiple Airlines
Fri 12/14
RAP - IAD • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Rapid City and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
July
Cheapest • 37% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $373 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 5h 33m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Rapid City to Dulles Intl (RAP-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rapid City to Dulles Intl

Tue, Apr 6 - Tue, Apr 13
Delta Logo
4:00 pm - 11:33 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
5h 33m1 stop Minneapolis St Paul
Delta Logo
6:40 pm - 10:39 pmIAD  Washington, D.C. Dulles Intl-RAP Rapid City
5h 59m1 stop Minneapolis St Paul
$321Delta
Tue, Apr 6 - Tue, Apr 13
Delta Logo
4:00 pm - 11:33 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
5h 33m1 stop Minneapolis St Paul
Delta Logo
7:30 am - 11:12 amIAD  Washington, D.C. Dulles Intl-RAP Rapid City
5h 42m1 stop Minneapolis St Paul
$321Delta
Tue, Apr 6 - Tue, Apr 13
Delta Logo
11:30 am - 12:20 amRAP  Rapid City-IAD Washington, D.C. Dulles Intl
10h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
6:40 pm - 10:39 pmIAD  Washington, D.C. Dulles Intl-RAP Rapid City
5h 59m1 stop Minneapolis St Paul
$326Delta
Tue, Apr 6 - Tue, Apr 13
Delta Logo
11:30 am - 12:20 amRAP  Rapid City-IAD Washington, D.C. Dulles Intl
10h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
7:30 am - 11:12 amIAD  Washington, D.C. Dulles Intl-RAP Rapid City
5h 42m1 stop Minneapolis St Paul
$326Delta
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
6:00 am - 1:38 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
5h 38m1 stop Chicago O'Hare Intl
United Airlines Logo
5:39 pm - 9:42 pmIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 03m1 stop Chicago O'Hare Intl
$359United Airlines
Fri, Dec 25 - Mon, Jan 4
United Airlines Logo
12:30 pm - 9:30 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
7h 00m1 stop Denver Intl
United Airlines Logo
6:10 am - 10:32 amIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 22m1 stop Chicago O'Hare Intl
$376United Airlines
Thu, Dec 24 - Fri, Jan 1
United Airlines Logo
11:13 am - 7:31 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
6h 18m1 stop Denver Intl
United Airlines Logo
6:45 am - 11:34 amIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 49m1 stop Denver Intl
$383United Airlines
Fri, Dec 25 - Fri, Jan 1
United Airlines Logo
12:30 pm - 9:30 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
7h 00m1 stop Denver Intl
United Airlines Logo
6:45 am - 11:34 amIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 49m1 stop Denver Intl
$383United Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
7:00 am - 3:44 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
6h 44m1 stop Denver Intl
United Airlines Logo
12:40 pm - 5:09 pmIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 29m1 stop Denver Intl
$385United Airlines
Thu, Nov 12 - Wed, Nov 18
United Airlines Logo
12:39 pm - 9:30 pmRAP  Rapid City-IAD Washington, D.C. Dulles Intl
6h 51m1 stop Denver Intl
United Airlines Logo
4:10 pm - 8:43 pmIAD  Washington, D.C. Dulles Intl-RAP Rapid City
6h 33m1 stop Denver Intl
$394United Airlines
Booking Insights

Price, demand and travel trends for Rapid City to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Rapid City to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Rapid City to Washington, D.C. Dulles Intl Airport typically range from $328 to $644. The lowest price found in the past 5 days was $321, on Delta.

What's the cheapest day of the week to fly from Rapid City to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Rapid City to Washington, D.C. Dulles Intl Airport. It’s 34% cheaper than the average day, while Sunday is the most expensive, with prices 90% higher.

Find deals

Key details for Rapid City to Washington, D.C. Dulles Intl Airport flights

Low season

May

Cheapest flight

$128
Beat the crowds with an average 60% drop in travelers.
The most popular month to fly with an average 20% increase in travelers.
One-way flight from Rapid City to Washington, D.C. Dulles Intl Airport

When to book flights from Rapid City to Dulles Intl

Are your dates flexible? Find out the best times to travel from Rapid City to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Rapid City to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Rapid City to Washington, D.C. Dulles Intl Airport?

    Only Economy Class is available on flights from Rapid City to Washington, D.C. Dulles Intl Airport.

  • How long is a flight from Rapid City to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Rapid City to Washington, D.C. Dulles Intl Airport takes 00m, covering 1,364 miles.

  • Do I need a passport to fly from Rapid City to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Rapid City to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Rapid City to Washington, D.C. Dulles Intl Airport range from $328 to $644, with an average of $460 over the past 12 months. Anything below $328 counts as a good deal.

  • Have flight prices from Rapid City to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $321 to $1,447. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Rapid City to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Rapid City to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $312, which is 16% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Rapid City to Washington, D.C. Dulles Intl Airport?

    Flights from Rapid City to Washington, D.C. Dulles Intl Airport usually depart from Rapid City (RAP) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Rapid City to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Rapid City to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Denver Intl (DEN) - 68% of one-stop connections
    • Minneapolis St Paul (MSP) - 11% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 9% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Rapid City to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 65% on flights from Rapid City to Washington, D.C. Dulles Intl Airport. Wednesday is the cheapest departure day at $308 round-trip on average, while Sunday is the most expensive at $876, a difference of $568.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Rapid City to Washington, D.C. Dulles Intl Airport?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 33m, compared with 6h 15m via Chicago O'Hare Intl (ORD) and 6h 30m via Denver Intl (DEN).

  • What is the time difference between Rapid City and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 2 hours ahead of Rapid City (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Rapid City to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $308, about $568 less than Sunday fares (65% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Rapid City to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $288 round-trip in that month - typically $588 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Rapid City to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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