177 € Cheap Flights from Salt Lake City to Washington Dulles

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Flight deals from Salt Lake City to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Salt Lake City to Washington Dulles? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Salt Lake City to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Salt Lake City to Washington Dulles flights are currently cheapest in March.

Direct flights from Salt Lake City to Washington Dulles

Salt Lake City to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found177 €
Cheapest month to flyMarch
Average flight time3 hrs, 59 mins
Most popular airlineUnited
Average flights per week45

Finding cheap flights from Salt Lake City to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Salt Lake City to Washington Dulles is 177 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 59 minutes is the average flight time from Salt Lake City to Washington Dulles.
United, Lufthansa and Delta fly direct from Salt Lake City to Washington Dulles.
As of February 2026, there are 45 flights per week flying from Salt Lake City to Washington Dulles.
The cheapest month to fly from Salt Lake City to Washington Dulles is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Salt Lake City Airport to Washington Dulles Airport on Wednesday, 4 March 2026.
Yes – the average flight time is 3 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington Dulles.

Travelling from Salt Lake City International Airport (SLC) to Washington Dulles International Airport (IAD): what you need to know

  • Hop on a direct flight from Salt Lake City International Airport to Washington Dulles International Airport and you'll be travelling for an average of 3 hours 55 minutes.

  • Washington DC's timezone is UTC-4, which makes Washington DC two hours ahead of Salt Lake City.

  • Choose from ten weekly Salt Lake City International Airport to Washington Dulles International Airport flights. The 17:40 departure with Delta Air Lines is the earliest flight available. Delta Air Lines operates the last service of the day at 17:55.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your SLC to IAD flight.

  • You'll likely experience longer queues in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

  • Getting to Washington DC (and then seeing more of United States!) is a snap with Delta Air Lines. This popular airline has direct flights from Salt Lake City International Airport to Washington Dulles International Airport.

  • The airline that passengers book most often on this route is Delta Air Lines.

  • Delta Air Lines is the most punctual carrier that operates SLC to IAD flights. An exceptional 83.33% of its departures on this route arrive on time.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Salt Lake City International Airport to Washington Dulles International Airport. Here are the most popular stopovers between SLC and IAD:

    • Denver International Airport

    • O'Hare International Airport

    • Detroit Metropolitan Wayne County Airport

How to find the cheapest flights from Salt Lake City International Airport (SLC) to Washington Dulles International Airport (IAD)

  • Right now, 66 € is the cheapest price we've found for a one-way Salt Lake City International Airport to Washington Dulles International Airport flight. The best price for a return ticket is 177 €. Keep in mind that fares may change due to availability when booking.

  • Book ten months before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from SLC to IAD.

  • Organise your trip for September. That's the cheapest month for flights from Salt Lake City International Airport to Washington Dulles International Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the cheapest airfare across each month.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from SLC to IAD.

  • Discover the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Salt Lake City International Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Salt Lake City International Airport (SLC)

  • The address for SLC is 776 North Terminal Drive.

  • Salt Lake City International Airport gets high marks for on-time performance. 82.4% of flights that depart SLC arrive at their destination as scheduled.

  • To get to Salt Lake City International Airport from central Salt Lake City, it'll take about 15 minutes if you're going by car. Of course, this depends on traffic. It's approximately 13 kilometres from the airport to the city centre.

  • The trip on public transport typically takes 2 hours 55 minutes.

  • Need a handy hotel near SLC? If you're catching an early flight from Salt Lake City International Airport to Washington Dulles International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • IAD is located at 1 Saarinen Circle.

  • Washington Dulles International Airport to the centre of Washington DC has a drive time of around 50 minutes. It's approximately 56 kilometres away.

  • Travelling to the centre on public transport will take you roughly 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Salt Lake City International Airport to Washington Dulles International Airport is January, while April is the busiest. Pick the ideal time to go to Washington DC based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from Salt Lake City International Airport to Washington Dulles International Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from SLC to IAD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • You've visited Washington DC, now it's time to discover more of United States. Journey about 322 kilometres north-east to New York to check off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another essential stop in United States. Get a taste of what this destination has to offer at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.