Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
RDUDENSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$301Delta Air Lines
Fastest3h 50mgate to gate
Options found136flights on this route
Find your flightRDU → DEN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
136 flight options
Fares are checked again before payment.
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Raleigh Durham (RDU)Raleigh-Durham International Airport
8H :02 M
1 Stop
IAD
· 3h 03m Washington (IAD), United States
12:02
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$346
Flight DetailsRDU to DEN - 8H :02 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-1088
06:00
2026-10-03
Raleigh Durham (RDU)Raleigh-Durham International Airport
8H :27 M
1 Stop
DFW
· 3h 15m Dallas (DFW), United States
12:27
2026-10-03
Denver (DEN)Denver International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$346
Flight DetailsRDU to DEN - 8H :27 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 2 Pieces
$413
Flight DetailsRDU to DEN - 8H :27 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
United Airlines
UA-1482
06:05
2026-10-03
Raleigh Durham (RDU)Raleigh-Durham International Airport
6H :27 M
1 Stop
ORD
· 1h 13m Chicago (ORD), United States
10:32
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$346
Flight DetailsRDU to DEN - 6H :27 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-1482
06:05
2026-10-03
Raleigh Durham (RDU)Raleigh-Durham International Airport
8H :40 M
1 Stop
ORD
· 3h 28m Chicago (ORD), United States
12:45
2026-10-03
Denver (DEN)Denver International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$346
Flight DetailsRDU to DEN - 8H :40 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Up to 120 of 136 options on this route. Open the full search to see them all with every filter.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$301Delta Air Lines05:15
Earliest departure$301Delta Air Lines05:15
Shortest duration$336United Airlines08:15
Night
00:00-05:59
$301Delta Air Lines at 05:15Morning
06:00-11:59
$301Delta Air Lines at 06:00Afternoon
12:00-17:59
$301Delta Air Lines at 12:26Evening
18:00-23:59
$346American Airlines at 18:23
Departure & Arrival Airport Details
Raleigh Durham (RDU)
Raleigh-Durham International Airport
United States
GMT -5
Latitude: 35.877601623535156
Longitude: -78.7874984741211
Denver (DEN)
Denver International
United States
GMT -7
Latitude: 39.861698150635
Longitude: -104.672996521
Distance: Raleigh Durham (RDU), United States to Denver (DEN), United States - 2,306.47 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 29 daysPeak
12OctColumbus DayMonday · in 29 daysPeak
12OctIndigenous Peoples' DayMonday · in 29 daysPeak
11NovVeterans DayWednesday · in 59 days
26NovThanksgiving DayThursday · in 74 days
25DecChristmas DayFriday · in 103 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel Raleigh Durham to Denver
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹28,756Longer — includes a stop133 options
Air distance is about 2,306 km. 3 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Raleigh Durham to Denver
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $33658 flights
Fares from
$336
Non-stop
3 in these results
Departures
58 — compare timings in the list above
AM
American Airlines Flights
from $34640 flights
Fares from
$346
Non-stop
None in these results
Departures
40 — compare timings in the list above
DE
Delta Air Lines Flights
from $30138 flights
Fares from
$301
Non-stop
None in these results
Departures
38 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
3h 50m · United Airlines
First departure of the day
05:15 · Delta Air Lines
Last departure of the day
19:47 · American Airlines
Options in this snapshot
136
Direct / non-stop options
3
Airport codes
Raleigh Durham–RDU, Denver–DEN
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 136 flights appear in the dated route snapshot, including 3 non-stop options. Departures run through the day — the first flight leaves around 05:15 and the last around 19:47. The fastest flight takes about 3h 50m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Night from $301, Morning from $301, Afternoon from $301, Evening from $346. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
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2
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3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Raleigh Durham to Denver options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
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Frequently Asked Questions
Is it worth booking Raleigh Durham to Denver flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for Raleigh Durham to Denver, Saturday shows the lowest fare at $301. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Raleigh Durham from Denver by air?
The direct air distance between Raleigh Durham (RDU) and Denver (DEN) is about 2,306 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from RDU to DEN?
Yes. 3 non-stop flights are showing on Raleigh Durham to Denver for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly Raleigh Durham to Denver?
United Airlines, American Airlines and Delta Air Lines are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Raleigh Durham to Denver?
The quickest non-stop Raleigh Durham to Denver flight currently loaded takes about 3h 50m. Across the non-stop options showing, block time ranges from 3h 50m to 9h 16m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest Raleigh Durham to Denver flight fare?
The lowest fare showing on Raleigh Durham to Denver for the dates currently loaded is $301. Fares on the same dates run up to $955, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do Raleigh Durham to Denver flights depart?
For the dates currently loaded the first departure is around 05:15 and the last is around 19:47, local time at Raleigh Durham. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes RDU–DEN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The RDU to DEN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 2,306.47 km.
Before you book
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Lowest Raleigh Durham to Denver airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$301
03/10/2026
Delta Air Lines
05:15
Cheapest Airfare Within 30 Days
$295
13/10/2026
Delta Air Lines
05:15
Cheapest Airfare Within 90 Days
$286
12/12/2026
Delta Air Lines
05:15
Book Raleigh Durham to Denver Flight Tickets on FlyX
Planning to fly from Raleigh Durham to Denver? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Raleigh Durham to Denver Flight Distance, Duration and Time
The aerial distance between Raleigh Durham and Denver is approximately 2,306 KM. The flight duration ranges from 3H :50 M up to 14H :53 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Raleigh Durham to Denver Flight Schedule and Timing
Around 136 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Raleigh Durham at 05:15, while the last night flight leaves at 19:47. Flights depart from Raleigh-Durham International Airport and land at Denver International.
Flight Route Details & Analysis
Flight Details
Information
Route
Raleigh Durham to Denver
Aerial Distance
2,306 KM
Flight Duration
3H :50 M - 14H :53 M
Airport Codes
Raleigh Durham - RDU, Denver - DEN
Total Flights Available
136 flights (3 direct)
First Flight Departure
Departs at 05:15
Last Flight Departure
Departs at 19:47
Early Morning Flights (12 AM - 8 AM)
49 direct/indirect flights
Morning Flights (8 AM - 12 PM)
45 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
32 direct/indirect flights
Evening Flights (4 PM - 8 PM)
10 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
RDU: Raleigh airport. Raleigh airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
DEN: Denver airport. Denver airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
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Raleigh-Durham International Airport