Question 1

Which is the best airline for flights from Washington, D.C. to Salt Lake City, Southwest or Alaska Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Salt Lake City are Southwest and Alaska Airlines. With an average price for the route of $402 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $485 and an overall rating of 7.9.

Question 2

How long does a flight from Washington Dulles Airport to Salt Lake City take?

Accepted Answer

Direct flights cover the 1,823 miles separating Washington Dulles Airport to Salt Lake City in about 4h 33m.

Question 3

How many flights are there between Washington, D.C. Dulles Intl Airport and Salt Lake City per day?

Accepted Answer

Each day, there are 2 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Salt Lake City, with an average flight time of 4h 47m. The most common departure time is 5:00 pm and most flights take off in the morning. Each week, there are 14 flights and there are the same amount of flights each day (2).

Question 4

How many flights are there between Washington, D.C. Dulles Intl Airport and Salt Lake City per day?

Accepted Answer

Each day, there are 2 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Salt Lake City, with an average flight time of 4h 47m. The most common departure time is 5:00 pm and most flights take off in the morning. Each week, there are 14 flights and there are the same amount of flights each day (2).

Question 5

What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City was $148 for a one-way ticket and $300 for a round-trip.

Question 6

Do I need a passport to fly between Washington Dulles Airport and Salt Lake City?

Accepted Answer

A passport is not required to fly from Washington Dulles Airport to Salt Lake City.

Question 7

What’s the cheapest day of the week to fly from Washington Dulles Airport to Salt Lake City?

Accepted Answer

For Washington Dulles Airport to Salt Lake City, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Salt Lake City back to Washington Dulles Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

Question 8

What’s the cheapest day of the week to fly from Washington Dulles Airport to Salt Lake City?

Accepted Answer

For Washington Dulles Airport to Salt Lake City, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Salt Lake City back to Washington Dulles Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

Question 9

Which airports will I be using when flying from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Washington Dulles Airport and Salt Lake City are both served by 1 main airport. You will leave Washington Dulles Airport from Washington, D.C. Dulles Intl and will be arriving at Salt Lake City.

Question 10

What’s the earliest departure time from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. Dulles Intl Airport at 7:00 am and will be landing in Salt Lake City at 9:39 am.

Question 11

What’s the latest departure time from Washington Dulles Airport to Salt Lake City?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Salt Lake City jets off at 6:00 pm and lands at 8:58 pm.

Question 12

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Salt Lake City?

Accepted Answer

There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Salt Lake City. They are Delta and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing $269. On average, the best prices for this route can be found at Delta.

Question 13

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Salt Lake City?

Accepted Answer

There are 2 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Salt Lake City. They are Delta and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing $269. On average, the best prices for this route can be found at Delta.

Question 14

Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Delta, JetBlue, Alaska Airlines, Hawaiian Airlines, and American Airlines offer inflight Wi-Fi service on the Washington Dulles Airport to Salt Lake City flight route.

Question 15

Which aircraft models fly most regularly from Washington Dulles Airport to Salt Lake City?

Accepted Answer

The Airbus A321neo is the aircraft model that flies most regularly on the Washington Dulles Airport to Salt Lake City flight route.

Question 16

Which airline alliances offer flights from Washington Dulles Airport to Salt Lake City?

Accepted Answer

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Salt Lake City, with oneworld being the most commonly used for this route.

Question 17

On which days can I fly direct from Washington Dulles Airport to Salt Lake City?

Accepted Answer

There are nonstop flights from Washington Dulles Airport to Salt Lake City on a daily basis.

Question 18

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Salt Lake City is November, where tickets cost $294 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $509 and $495 respectively.

Question 19

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Salt Lake City is November, where tickets cost $294 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $509 and $495 respectively.

Question 20

How does KAYAK find such low prices on flights from Washington Dulles Airport to Salt Lake City?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Salt Lake City.

Question 21

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Salt Lake City?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Salt Lake City from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Question 22

What is the Hacker Fare option on flights from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Salt Lake City with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and SLC can sometimes prove cheaper using this method.

Question 23

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Salt Lake City from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 24

What is the cheapest layover airport when flying from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Flights via Las Vegas (LAS) offer the most affordable fares, with an average round-trip price of $199.

Question 25

What is the most popular layover airport when flying from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Denver (DEN) is the top choice – 59% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Salt Lake City picked an itinerary connecting there.

Question 26

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Salt Lake City?

Accepted Answer

If you prefer a quick connection, Seattle (SEA) often has the shortest layovers from Washington Dulles Airport to Salt Lake City, with an average of 1h 18m.

Question 27

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Salt Lake City?

Accepted Answer

Consider flying via Charlotte (CLT) for the shortest journey. The average one-way travel time for flights connecting there is 7h 13m.

Question 28

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Salt Lake City?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 29

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Salt Lake City?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 30

Which airlines provide the cheapest flights from Washington Dulles Airport to Salt Lake City?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Salt Lake City were found on Frontier ($300) and Delta ($339).

Question 31

Which airlines provide the cheapest flights from Washington Dulles Airport to Salt Lake City?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Salt Lake City were found on Frontier ($300) and Delta ($339).

Question 32

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Salt Lake City, you should book around 3 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Question 33

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Salt Lake City, you should book around 3 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Question 34

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

No, with an average price for the route of $465, prices are generally cheapest when you fly direct.

Question 35

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Accepted Answer

No, with an average price for the route of $465, prices are generally cheapest when you fly direct.

Question 36

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

Accepted Answer

Flight prices are below average for this route right now.Flights to Salt Lake City from Washington, D.C. Dulles Intl Airport usually cost between $332 and $510 in September.
The lowest price found in the past 5 days was $300 on Frontier (Sep 16-Sep 23).

Question 37

What are the most popular airlines flying to Salt Lake City?

Accepted Answer

The most popular airline among KAYAK users flying to Salt Lake City is United Airlines, followed by Delta and Southwest.

Low season	November
High season	March
Cheapest flight	$148

IAD - SLC

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Cheap Flights from Dulles Intl to Salt Lake City (IAD-SLC)

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KAYAK's insights & trends for Dulles Intl to Salt Lake City flights

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

What’s the cheapest day of the week to fly from Washington Dulles Airport to Salt Lake City?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Salt Lake City?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Salt Lake City?

Which airlines provide the cheapest flights from Washington Dulles Airport to Salt Lake City?

Which airlines fly non-stop between Washington, D.C. Dulles Intl Airport and Salt Lake City?

What is the most popular layover airport when flying from Washington Dulles Airport to Salt Lake City?

What is the cheapest layover airport when flying from Washington Dulles Airport to Salt Lake City?

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Salt Lake City?

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Salt Lake City?

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Salt Lake City?

How many flights are there between Washington, D.C. Dulles Intl Airport and Salt Lake City per day?

How long does a flight from Washington Dulles Airport to Salt Lake City take?

What’s the earliest departure time from Washington Dulles Airport to Salt Lake City?

What’s the latest departure time from Washington Dulles Airport to Salt Lake City?

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