$313+ Cheap flights from Duluth (DLH) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — DCA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Duluth to Reagan-National with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Duluth to Reagan-National
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Best
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One-way
Cheapest flights from Duluth to Reagan-NationalExplore the most affordable flight options available from Duluth to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Duluth to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 11/16:23 am -
1 stop6h 49m
Sun 11/86:25 am -
1 stop5h 16m
Deal found 9/2![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:35 pm -
2 stops9h 14m
Sat 11/73:00 pm -
1 stop5h 12m
Deal found 9/2![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:15 am -
1 stop4h 49m
Sun 10/116:05 am -
1 stop6h 39m
Deal found 9/6![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/247:45 am -
1 stop5h 38m
Mon 11/25:10 pm -
1 stop7h 04m
Deal found 9/6![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:21 pm -
1 stop6h 23m
Sun 11/16:05 am -
1 stop6h 39m
Deal found 9/6![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/143:06 pm -
1 stop5h 05m
Wed 11/1810:30 am -
1 stop5h 00m
Deal found 9/2![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/226:00 am -
1 stop7h 23m
Tue 10/276:25 am -
1 stop5h 16m
Deal found 9/2![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/156:00 am -
1 stop6h 08m
Mon 10/197:10 pm -
1 stop5h 12m
Deal found 9/3![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/1611:18 am -
1 stop5h 51m
Wed 10/148:30 am -
1 stop6h 59m
Deal found 9/3![United Airlines logo]()
$416
Best flights from Duluth to Reagan-NationalDiscover carefully curated flight deals from Duluth to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Duluth to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sun 11/16:23 am -
1 stop6h 49m
Sun 11/86:25 am -
1 stop5h 16m
Deal found 9/2![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:35 pm -
2 stops9h 14m
Sat 11/73:00 pm -
1 stop5h 12m
Deal found 9/2![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/247:45 am -
1 stop5h 38m
Mon 11/25:10 pm -
1 stop7h 04m
Deal found 9/6![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:21 pm -
2 stops5h 46m
Sun 11/16:05 am -
1 stop6h 39m
Deal found 9/6![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/143:06 pm -
1 stop5h 05m
Wed 11/1810:22 am -
1 stop5h 08m
Deal found 9/3![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:11 pm -
1 stop6h 48m
Tue 10/136:05 am -
1 stop6h 39m
Deal found 9/3![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/1711:18 am -
1 stop5h 51m
Mon 9/217:10 pm -
1 stop5h 10m
Deal found 9/3![United Airlines logo]()
$502
Last-minute flights from Duluth to Reagan-NationalDiscover last-minute flight deals from Duluth to Reagan-National. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Reagan-National. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/1611:18 am -
1 stop5h 51m
Wed 10/148:30 am -
1 stop6h 59m
Deal found 9/3![United Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 9/1611:18 am -
1 stop7h 51m
Sun 9/206:12 pm -
1 stop6h 08m
Deal found 9/4![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:11 pm -
1 stop6h 48m
Tue 10/136:05 am -
1 stop6h 39m
Deal found 9/3![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:15 am -
1 stop4h 49m
Sun 10/116:05 am -
1 stop6h 39m
Deal found 9/6![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/87:45 am -
1 stop5h 38m
Mon 10/126:12 pm -
1 stop6h 10m
Deal found 9/6![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/156:00 am -
1 stop6h 08m
Mon 10/197:10 pm -
1 stop5h 12m
Deal found 9/3![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/247:45 am -
1 stop5h 38m
Mon 11/25:10 pm -
1 stop7h 04m
Deal found 9/6![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:21 pm -
1 stop6h 23m
Sun 11/16:05 am -
1 stop6h 39m
Deal found 9/6![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:21 pm -
1 stop6h 23m
Mon 11/29:25 am -
2 stops7h 16m
Deal found 9/6![Delta logo]()
$459
One-way flights from Duluth to Reagan-NationalSearch for one-way flight options from Duluth to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Duluth to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 10/46:00 am -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 9/203:10 pm -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:15 am -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$500
Find flight deals from Duluth to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) to Reagan-National (DCA). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (United Airlines) |
One-way from | $313 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Duluth to Reagan-National 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Duluth to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sun 10/4
6:00 am-12:08 pm
1 stop5h 08m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sun 11/1
6:23 am-2:12 pm
1 stop6h 49m
Washington, D.C. Reagan-National
Sun 11/8
6:25 am-10:41 am
1 stop5h 16m
$318
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sun 11/1
12:35 pm-10:49 pm
2 stops9h 14m
Washington, D.C. Reagan-National
Sat 11/7
3:00 pm-7:12 pm
1 stop5h 12m
$324
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sat 10/24
7:45 am-2:23 pm
1 stop5h 38m
Washington, D.C. Reagan-National
Mon 11/2
5:10 pm-11:14 pm
1 stop7h 04m
$348
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sun 9/20
3:10 pm-10:54 pm
1 stop6h 44m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$385
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sat 11/14
3:06 pm-9:11 pm
1 stop5h 05m
Washington, D.C. Reagan-National
Wed 11/18
10:22 am-2:30 pm
1 stop5h 08m
$398
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Sat 10/24
4:21 pm-11:07 pm
2 stops5h 46m
Washington, D.C. Reagan-National
Sun 11/1
6:05 am-11:44 am
1 stop6h 39m
$399
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Tue 9/22
4:11 pm-11:59 pm
1 stop6h 48m
Washington, D.C. Reagan-National
Tue 10/13
6:05 am-11:44 am
1 stop6h 39m
$463
DuluthWashington, D.C.
DLH Duluth Intl - DCA Washington, D.C. Reagan-National
DLHDCA
Duluth Intl
Thu 9/17
11:18 am-6:09 pm
1 stop5h 51m
Washington, D.C. Reagan-National
Mon 9/21
7:10 pm-11:20 pm
1 stop5h 10m
$502
Sorted by cheapest first
Compare providers for flights from Duluth to Reagan-National
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 Duluth to Reagan-National in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Duluth-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Duluth-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Duluth-Washington, D.C. Reagan-National 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 Duluth to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Duluth with our price prediction graph.
DLH-DCA
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.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated September 7, 2026.
Read through reviews of airlines operating flights from Duluth to Washington, D.C. Reagan-National Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.6
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Duluth to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo
Springfield
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Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Duluth to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Duluth and Reagan-National flights
Browse other Duluth and Reagan-National flight options. Last updated on September 7, 2026.
Other flights from Duluth
Browse through other flights departing from Duluth. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Top airline flying from Duluth to Reagan-National
Discover the top airline that operate flights from Duluth to Reagan-National. 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$421 | FlexibilityNo cancel fee | On-time69% |