Cheap flights from San Diego to Washington, D.C. Dulles Intl Airport from $79
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington, D.C. Dulles Intl Airport departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Diego to Washington, D.C. Dulles Intl Airport
Our best Frontier deals on San Diego to Washington, D.C. Dulles Intl Airport flight tickets
Delta flights from San Diego to Washington, D.C. Dulles Intl Airport
Our best Delta deals on San Diego to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from San Diego to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?
In general, August is the cheapest month to fly from San Diego to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $356.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $428. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Washington, D.C. Dulles Intl Airport for around $685.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from San Diego in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $194 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $618 on average. Flights to Washington, D.C. Dulles Intl Airport from San Diego at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest San Diego to Washington, D.C. Dulles Intl flight route?
Fly from San Diego to Washington, D.C. Dulles Intl for the best San Diego - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Diego when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $397 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Diego for as low as $332 on momondo.
What cabin class options are available on San Diego to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on San Diego to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Diego to Washington, D.C. Dulles Intl?
Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from San Diego to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from San Diego according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 8 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to Washington, D.C. Dulles Intl Airport on average per day?
7 flights are operational daily from San Diego to Washington, D.C. Dulles Intl Airport as of April 2025. The most popular departure time for this route is 8:00AM, with 71% of flights per day taking off at noon.
How many flights depart from San Diego to Washington, D.C. Dulles Intl Airport on average per week?
As of April 2025, 51 flights take off from San Diego and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.
When to book flights from San Diego to Washington, D.C. Dulles Intl Airport
Cheap San Diego to Washington, D.C. Dulles Intl Airport (SAN to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Washington, D.C. Dulles Intl Airport
How far is San Diego to Washington, D.C. Dulles Intl by plane?
There are 2245.8 mi between San Diego and Washington, D.C. Dulles Intl. By plane, this route typically takes 4h 48m.
When did momondo last update prices for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport?
As of April 2025, there are 6 operators available to choose from for flights from San Diego Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from San Diego Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from San Diego to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between San Diego and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 737 MAX 9, making up 18.25% of the total bookings. Other popular models include Boeing 777 with 17.90%, Boeing 737 with 15.00%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 14.41%.
What is the most popular airline from San Diego to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between San Diego and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 57% of the total bookings. Other popular airlines include Alaska Airlines with 35%, American Airlines with 4%, and Hawaiian Airlines with 2%.
Best airlines flying from San Diego to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from San Diego to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $64 | Free Cancellation | Rating 6.3 7,940 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.9 2,393 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 9,911 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $304 | Free Cancellation | Rating 7.2 10,000 reviews |
Alaska Airlines Flights From San Diego to Washington, D.C. Dulles Intl Airport
Alaska Airlines is one of the most popular airlines flying from San Diego to Washington, D.C. Dulles Intl Airport, operating 3 flights/week on average for this route. A good Alaska Airlines flight deal for San Diego to Washington, D.C. Dulles Intl Airport starts from $236 round-trip, up to an average price of $357. Our users have rated Alaska Airlines at 8.0/10.
Hawaiian Airlines Flights From San Diego to Washington, D.C. Dulles Intl Airport
Hawaiian Airlines (7.9/10 from 2,393 reviews) operates around 3 flights from San Diego to Washington, D.C. Dulles Intl Airport in any given week. The average Hawaiian Airlines airfare for this route is around $357, with deals from around $158 rare but found on momondo. Referenced prices are for round-trip San Diego to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from San Diego to Washington, D.C.?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Washington, D.C.. momondo saves you time and could save you money on your trip.
Can I find flights from San Diego to Washington, D.C. with flexible booking policies on momondo?
All flight searches from San Diego to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Diego to Washington, D.C.?
momondo helps you find the best flight between San Diego and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Diego to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Diego to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.