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Dulles Intl

$171+ Cheap flights from Flint (FNT) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Flint to Dulles Intl

Cheapest flights from Flint to Dulles Intl
Explore the most affordable flight options available from Flint to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:40 pmFNT - IAD
1 stop22h 08mAllegiant Air
Fri 12/192:32 pmIAD - FNT
2 stops32h 42mAllegiant Air
Deal found 12/11$365
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:40 pmFNT - IAD
1 stop22h 08mAllegiant Air
Thu 12/188:16 pmIAD - FNT
2 stops43h 34mAllegiant Air
Deal found 12/11$370
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:40 pmFNT - IAD
1 stop22h 08mAllegiant Air
Sun 12/218:16 pmIAD - FNT
2 stops48h 12mAllegiant Air
Deal found 12/11$382
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amFNT - IAD
1 stop4h 45mUnited Airlines
Thu 12/255:31 pmIAD - FNT
1 stop4h 59mUnited Airlines
Deal found 12/10$435
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:26 pmFNT - IAD
1 stop4h 55mUnited Airlines
Sun 1/48:15 amIAD - FNT
1 stop7h 36mUnited Airlines
Deal found 12/10$453
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:49 amFNT - IAD
2 stops7h 46mAmerican Airlines
Thu 12/256:35 amIAD - FNT
2 stops7h 29mAmerican Airlines
Deal found 12/10$469
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amFNT - IAD
1 stop4h 45mUnited Airlines
Sat 1/35:31 pmIAD - FNT
1 stop4h 59mUnited Airlines
Deal found 12/11$478
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:26 pmFNT - IAD
1 stop4h 55mUnited Airlines
Mon 12/295:31 pmIAD - FNT
1 stop4h 59mUnited Airlines
Deal found 12/11$481
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amFNT - IAD
1 stop4h 48mUnited Airlines
Wed 12/3110:09 pmIAD - FNT
2 stops17h 42mUnited Airlines
Deal found 12/11$494
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:00 amFNT - IAD
1 stop4h 45mUnited Airlines
Mon 12/295:31 pmIAD - FNT
1 stop4h 59mUnited Airlines
Deal found 12/11$495

Find flight deals from Flint to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$341
(American Airlines)

One-way from

$171
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$288
Provider with most accurate pricing for Flint Bishop-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-Washington, D.C. Dulles Intl flights.
Search Deals
From Flint Bishop to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Flint Bishop to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Flint to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Flint

Fly to

Dulles Intl

Route

Depart

Return

Price

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Mon 3/9

10:00 am-6:43 pm

2 stops32h 43m

Washington, D.C. Dulles Intl

Thu 3/12

3:43 pm-10:44 pm

2 stops31h 01m

$411

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Fri 1/9

5:44 pm-7:30 am

2 stops13h 46m

Washington, D.C. Dulles Intl

Tue 1/13

8:20 am-10:45 pm

2 stops14h 25m

$426

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Fri 1/16

7:00 am-11:46 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Sun 1/18

5:17 pm-10:44 pm

1 stop5h 27m

$455

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Mon 1/12

7:00 am-11:46 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Thu 1/15

5:17 pm-10:44 pm

1 stop5h 27m

$475

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Fri 1/16

1:40 pm-11:12 pm

2 stops9h 32m

$171

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Tue 12/23

9:33 pm-11:38 am

3 stops38h 05m

$193

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Tue 12/23

7:00 am-1:45 pm

2 stops30h 45m

$221

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Sun 1/11

7:00 am-11:46 am

1 stop4h 46m

$260

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Tue 12/23

4:26 pm-9:21 pm

1 stop4h 55m

$272

FlintWashington, D.C.

FNT - IAD

FNTIAD

Flint Bishop

Sat 12/20

4:26 pm-9:21 pm

1 stop4h 55m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results
1
2

Compare providers for flights from Flint to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flint to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flint-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flint-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flint-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Flint to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Flint with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Flint to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Flint to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Flint to Washington, D.C. Dulles Intl Airport (average of $106). Flying from Flint to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FNT to IAD?

Find hourly flight availability from Flint to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Flint to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown United Airlines from Flint to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Flint to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Flint to Washington, D.C. Dulles Intl?

    Most people fly from Flint Bishop (FNT) if they book a flight from Flint to Washington, D.C. Dulles Intl. On average, Bishop has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Flint Bishop is conveniently located just 4.3 mi from Flint’s city center.

  • How long is the flight from Flint to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines fly from Flint to Washington, D.C. Dulles Intl Airport in about 13h 46m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 429 mi.

  • What is the cheapest airline to fly from Flint to Washington, D.C. Dulles Intl Airport round-trip?

    United Airlines, at $242, was found to be the cheapest airline from Flint to Washington, D.C. Dulles Intl Airport..

  • Can I find deals for flights from Flint to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Flint to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flint to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flint to Dulles Intl.

  • Can I find deals for business class flights from Flint to Dulles Intl?

    Yes. Cheapflights offers flight deals from Flint to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Flint to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Flint to Washington, D.C. Dulles Intl Airport (average of $106). Flying from Flint to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Flint to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Flint to Dulles Intl

Discover the top airline that operate flights from Flint to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$242Average$466FlexibilityNo cancel feeOn-time69%

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