Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Saint-Denis from $1,605

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Saint-Denis departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Saint-Denis (IAD-RUN)

Cheap round-trip flights

Logo
5:50 pm - 5:35 amIAD-RUN
27h 45m2 stops
Logo
10:10 pm - 8:50 pmRUN-IAD
30h 40m2 stops
$1,605
Find Deal
Thu, Oct 2 - Mon, Oct 6
Logo
5:50 pm - 5:35 amIAD-RUN
27h 45m2 stops
Logo
10:10 pm - 8:50 pmRUN-IAD
30h 40m3 stops
$1,640
Find Deal
Thu, Oct 2 - Mon, Oct 6
Logo
5:50 pm - 5:35 amIAD-RUN
27h 45m3 stops
Logo
10:10 pm - 8:50 pmRUN-IAD
30h 40m3 stops
$1,808
Find Deal
Thu, Oct 2 - Mon, Oct 6
KLM Logo
6:30 pm - 5:30 amIAD-RUN
27h 00m1 stop
KLM Logo
9:00 pm - 7:15 pmRUN-IAD
30h 15m1 stop
$1,894KLM
Find Deal
Thu, Oct 2 - Mon, Oct 6
KLM Logo
9:20 pm - 5:30 amIAD-RUN
24h 10m1 stop
KLM Logo
9:00 pm - 4:29 pmRUN-IAD
27h 29m2 stops
$1,900KLM
Find Deal
Thu, Oct 2 - Mon, Oct 6

KLM flights from Washington, D.C. Dulles Intl Airport to Saint-Denis

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Saint-Denis flight tickets
KLM
Oct 2
IAD6:30 pmWashington, D.C. Dulles Intl
27h 00m
1 stop
RUN5:30 amSaint-Denis Gillot
Oct 6
RUN9:00 pmSaint-Denis Gillot
30h 15m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$1,894
Find similar
KLM
Oct 2
IAD9:20 pmWashington, D.C. Dulles Intl
24h 10m
1 stop
RUN5:30 amSaint-Denis Gillot
Oct 6
RUN9:00 pmSaint-Denis Gillot
27h 29m
2 stops
IAD4:29 pmWashington, D.C. Dulles Intl
$1,900
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Saint-Denis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Saint-Denis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Saint-Denis

IAD - RUN

IADRUN

Washington, D.C. Dulles Intl

Thu 10/2

5:50 pm-5:35 am

2 stops27h 45m

Saint-Denis Gillot

Mon 10/6

10:10 pm-8:50 pm

2 stops30h 40m

$1,605

Washington, D.C.Saint-Denis

IAD - RUN

IADRUN

Washington, D.C. Dulles Intl

Thu 10/2

5:50 pm-5:35 am

2 stops27h 45m

Saint-Denis Gillot

Mon 10/6

10:10 pm-8:50 pm

3 stops30h 40m

$1,640

Washington, D.C.Saint-Denis

IAD - RUN

IADRUN

Washington, D.C. Dulles Intl

Thu 10/2

5:50 pm-5:35 am

3 stops27h 45m

Saint-Denis Gillot

Mon 10/6

10:10 pm-8:50 pm

3 stops30h 40m

$1,808

Washington, D.C.Saint-Denis

IAD - RUN

IADRUN

Washington, D.C. Dulles Intl

Thu 10/2

6:30 pm-5:30 am

1 stop27h 00m

Saint-Denis Gillot

Mon 10/6

9:00 pm-7:15 pm

1 stop30h 15m

$1,894

Washington, D.C.Saint-Denis

IAD - RUN

IADRUN

Washington, D.C. Dulles Intl

Thu 10/2

9:20 pm-5:30 am

1 stop24h 10m

Saint-Denis Gillot

Mon 10/6

9:00 pm-4:29 pm

2 stops27h 29m

$1,900

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Saint-Denis

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Saint-Denis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Saint-Denis (IAD to RUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Saint-Denis

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Saint-Denis. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Saint-Denis.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Saint-Denis Gillot by plane?

    Washington, D.C. Dulles Intl and Saint-Denis Gillot are 9386.5 mi apart from one another. A reasonable flight in good conditions will take 24h 10m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Saint-Denis Gillot Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Saint-Denis Gillot Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Saint-Denis Gillot Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Saint-Denis Gillot Airport.

  • What documentation or ID do you need to fly to Saint-Denis Gillot Airport?

    The travel and health documents you'll need for your trip to Saint-Denis Gillot Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint-Denis Gillot Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Saint-Denis?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Saint-Denis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Saint-Denis with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Saint-Denis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Saint-Denis for you.

Can I find flights from Washington, D.C. to Saint-Denis with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint-Denis from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Saint-Denis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Saint-Denis.

I’m not ready to book a flight from Washington, D.C. to Saint-Denis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Saint-Denis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint-Denis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Réunion

Fly your favorite airline to Saint-Denis

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
American Airlines
Delta
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Emirates
Alaska Airlines