---
title: "Yeosu to Washington cheap flights (RSU to DCA) - Expedia"
description: "Cheap Flights from Yeosu (RSU) to Washington (DCA) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/rsu/dca/yeosu-to-washington"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-15T07:40:17Z
---

# Cheap Flights from Yeosu (RSU) to Washington (DCA)
![An airport terminal with a control tower, a covered walkway, and multiple jet bridges.](https://images.trvl-media.com/place/4277060/09af8379-f0ee-43c8-bc2d-ed432c932568.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

Photo by Metropolitan Washington Airports Authority

## Popular airlines from Yeosu (RSU) to Ronald Reagan Washington National Airport (DCA)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

[Delta](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:DCA,departure:11/29/2026TANYT&leg2=from:DCA,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

### Be in the know
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## Book with confidence

### Yeosu to Washington Flights

#### The cheapest times to fly from Yeosu to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Yeosu to Washington are during the month of . You can find some of the cheapest flights from Yeosu to Washington with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Yeosu to Washington

Sunday is one of the best days to book for cheap flights from Yeosu to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

#### How to find cheap round-trip tickets from Yeosu to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Yeosu to Washington in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Yeosu to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Yeosu to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*\*Terms apply.*

*Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.*

## Travel information

| Origin airport      | Yeosu                                     |
| ------------------- | ----------------------------------------- |
| Destination airport | Ronald Reagan Washington National Airport |
| Distance            | 7,106 miles away                          |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
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- [Flights from St. Louis (STL) to Washington (DCA)](https://www.expedia.com/lp/flights/stl/dca/st-louis-to-washington)
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- [Flights from Moline (MLI) to Washington (DCA)](https://www.expedia.com/lp/flights/mli/dca/moline-to-washington)
- [Flights from Jacksonville (JAX) to Washington (DCA)](https://www.expedia.com/lp/flights/jax/dca/jacksonville-to-washington)
- [Flights from Pensacola (PNS) to Washington (DCA)](https://www.expedia.com/lp/flights/pns/dca/pensacola-to-washington)
- [Flights from Raleigh (RDU) to Washington (DCA)](https://www.expedia.com/lp/flights/rdu/dca/raleigh-to-washington)
- [Flights from Orlando (MCO) to Washington (DCA)](https://www.expedia.com/lp/flights/mco/dca/orlando-to-washington)
- [Flights from Little Rock (LIT) to Washington (DCA)](https://www.expedia.com/lp/flights/lit/dca/little-rock-to-washington)
- [Flights from Cleveland (CLE) to Washington (DCA)](https://www.expedia.com/lp/flights/cle/dca/cleveland-to-washington)
- [Flights from Dayton (DAY) to Washington (DCA)](https://www.expedia.com/lp/flights/day/dca/dayton-to-washington)
- [Flights from Manchester (MHT) to Washington (DCA)](https://www.expedia.com/lp/flights/mht/dca/manchester-to-washington)
- [Flights from Milwaukee (MKE) to Washington (DCA)](https://www.expedia.com/lp/flights/mke/dca/milwaukee-to-washington)
- [Flights from San Jose (SJC) to Washington (DCA)](https://www.expedia.com/lp/flights/sjc/dca/san-jose-to-washington)
- [Flights from Gulfport (GPT) to Washington (DCA)](https://www.expedia.com/lp/flights/gpt/dca/gulfport-to-washington)
- [Flights from Knoxville (TYS) to Washington (DCA)](https://www.expedia.com/lp/flights/tys/dca/knoxville-to-washington)
- [Flights from San Antonio (SAT) to Washington (DCA)](https://www.expedia.com/lp/flights/sat/dca/san-antonio-to-washington)
- [Flights from Rochester (ROC) to Washington (DCA)](https://www.expedia.com/lp/flights/roc/dca/rochester-to-washington)
- [Flights from Birmingham (BHM) to Washington (DCA)](https://www.expedia.com/lp/flights/bhm/dca/birmingham-to-washington)
- [Flights from Wichita (ICT) to Washington (DCA)](https://www.expedia.com/lp/flights/ict/dca/wichita-to-washington)
- [Flights from Austin (AUS) to Washington (DCA)](https://www.expedia.com/lp/flights/aus/dca/austin-to-washington)
- [Flights from Omaha (OMA) to Washington (DCA)](https://www.expedia.com/lp/flights/oma/dca/omaha-to-washington)
- [Flights from San Juan (SJU) to Washington (DCA)](https://www.expedia.com/lp/flights/sju/dca/san-juan-to-washington)
- [Flights from Memphis (MEM) to Washington (DCA)](https://www.expedia.com/lp/flights/mem/dca/memphis-to-washington)
- [Flights from Orange County (SNA) to Washington (DCA)](https://www.expedia.com/lp/flights/sna/dca/orange-county-to-washington)
- [Flights from Minneapolis (MSP) to Washington (DCA)](https://www.expedia.com/lp/flights/msp/dca/minneapolis-to-washington)
- [Flights from San Francisco (SFO) to Washington (DCA)](https://www.expedia.com/lp/flights/sfo/dca/san-francisco-to-washington)
- [Flights from Sioux Falls (FSD) to Washington (DCA)](https://www.expedia.com/lp/flights/fsd/dca/sioux-falls-to-washington)
- [Flights from Ontario Intl. Airport (ONT) to Washington (DCA)](https://www.expedia.com/lp/flights/ont/dca/ontario-to-washington)
- [Flights from Albany (ALB) to Washington (DCA)](https://www.expedia.com/lp/flights/alb/dca/albany-to-washington)
- [Flights from Huntsville (HSV) to Washington (DCA)](https://www.expedia.com/lp/flights/hsv/dca/huntsville-to-washington)
- [Flights from Fort Lauderdale (FLL) to Washington (DCA)](https://www.expedia.com/lp/flights/fll/dca/fort-lauderdale-to-washington)
- [Flights from Fayetteville (XNA) to Washington (DCA)](https://www.expedia.com/lp/flights/xna/dca/fayetteville-to-washington)
- [Flights from Burlington (BTV) to Washington (DCA)](https://www.expedia.com/lp/flights/btv/dca/burlington-to-washington)
- [Flights from El Paso (ELP) to Washington (DCA)](https://www.expedia.com/lp/flights/elp/dca/el-paso-to-washington)
- [Flights from Phoenix (PHX) to Washington (DCA)](https://www.expedia.com/lp/flights/phx/dca/phoenix-to-washington)
- [Flights from Lexington (LEX) to Washington (DCA)](https://www.expedia.com/lp/flights/lex/dca/lexington-to-washington)
- [Flights from Wilmington (ILM) to Washington (DCA)](https://www.expedia.com/lp/flights/ilm/dca/wilmington-to-washington)
- [Flights from Kansas City (MCI) to Washington (DCA)](https://www.expedia.com/lp/flights/mci/dca/kansas-city-to-washington)
- [Flights from Greensboro (GSO) to Washington (DCA)](https://www.expedia.com/lp/flights/gso/dca/greensboro-to-washington)
- [Flights from New York (LGA) to Washington (DCA)](https://www.expedia.com/lp/flights/lga/dca/new-york-to-washington)
- [Flights from New Orleans (MSY) to Washington (DCA)](https://www.expedia.com/lp/flights/msy/dca/new-orleans-to-washington)
- [Flights from Atlanta (ATL) to Washington (DCA)](https://www.expedia.com/lp/flights/atl/dca/atlanta-to-washington)
- [Flights from Baltimore (BWI) to Washington (DCA)](https://www.expedia.com/lp/flights/bwi/dca/baltimore-to-washington)
- [Flights from Norfolk (ORF) to Washington (DCA)](https://www.expedia.com/lp/flights/orf/dca/norfolk-to-washington)
- [Flights from Providence (PVD) to Washington (DCA)](https://www.expedia.com/lp/flights/pvd/dca/providence-to-washington)
- [Flights from Dallas (DFW) to Washington (DCA)](https://www.expedia.com/lp/flights/dfw/dca/dallas-to-washington)
- [Flights from Nassau (NAS) to Washington (DCA)](https://www.expedia.com/lp/flights/nas/dca/nassau-to-washington)
- [Flights from Newark Liberty Intl. Airport (EWR) to Washington (DCA)](https://www.expedia.com/lp/flights/ewr/dca/newark-liberty-intl-airport-to-washington)
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- [Flights from Duluth (DLH) to Washington (DCA)](https://www.expedia.com/lp/flights/dlh/dca/duluth-to-washington)
- [Flights from Miami (MIA) to Washington (DCA)](https://www.expedia.com/lp/flights/mia/dca/miami-to-washington)
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- [Flights from Cedar Rapids (CID) to Washington (DCA)](https://www.expedia.com/lp/flights/cid/dca/cedar-rapids-to-washington)
- [Flights from Fort Myers (RSW) to Washington (DCA)](https://www.expedia.com/lp/flights/rsw/dca/fort-myers-to-washington)
- [Flights from Louisville (SDF) to Washington (DCA)](https://www.expedia.com/lp/flights/sdf/dca/louisville-to-washington)
- [Flights from Sacramento (SMF) to Washington (DCA)](https://www.expedia.com/lp/flights/smf/dca/sacramento-to-washington)
- [Flights from Savannah (SAV) to Washington (DCA)](https://www.expedia.com/lp/flights/sav/dca/savannah-to-washington)
- [Flights from Oklahoma City (OKC) to Washington (DCA)](https://www.expedia.com/lp/flights/okc/dca/oklahoma-city-to-washington)
- [Flights from Chicago (ORD) to Washington (DCA)](https://www.expedia.com/lp/flights/ord/dca/chicago-to-washington)
- [Flights from Seattle (SEA) to Washington (DCA)](https://www.expedia.com/lp/flights/sea/dca/seattle-to-washington)
- [Flights from Greenville (GSP) to Washington (DCA)](https://www.expedia.com/lp/flights/gsp/dca/greenville-to-washington)
- [Flights from Toronto (YYZ) to Washington (DCA)](https://www.expedia.com/lp/flights/yyz/dca/toronto-to-washington)
- [Flights from Houston (HOU) to Washington (DCA)](https://www.expedia.com/lp/flights/hou/dca/houston-to-washington)
- [Flights from Sarasota (SRQ) to Washington (DCA)](https://www.expedia.com/lp/flights/srq/dca/sarasota-to-washington)
- [Flights from Grand Rapids (GRR) to Washington (DCA)](https://www.expedia.com/lp/flights/grr/dca/grand-rapids-to-washington)
- [Flights from New York (JFK) to Washington (DCA)](https://www.expedia.com/lp/flights/jfk/dca/new-york-to-washington)
- [Flights from Nashville (BNA) to Washington (DCA)](https://www.expedia.com/lp/flights/bna/dca/nashville-to-washington)
- [Flights from Buffalo (BUF) to Washington (DCA)](https://www.expedia.com/lp/flights/buf/dca/buffalo-to-washington)
- [Flights from Paris (CDG) to Washington (DCA)](https://www.expedia.com/lp/flights/cdg/dca/paris-to-washington)
- [Flights from Charlotte (CLT) to Washington (DCA)](https://www.expedia.com/lp/flights/clt/dca/charlotte-to-washington)
- [Flights from Los Angeles (LAX) to Washington (DCA)](https://www.expedia.com/lp/flights/lax/dca/los-angeles-to-washington)
- [Flights from White Plains (HPN) to Washington (DCA)](https://www.expedia.com/lp/flights/hpn/dca/white-plains-to-washington)
- [Flights from Portland (PDX) to Washington (DCA)](https://www.expedia.com/lp/flights/pdx/dca/portland-to-washington)
- [Flights from Columbus (CMH) to Washington (DCA)](https://www.expedia.com/lp/flights/cmh/dca/columbus-to-washington)
- [Flights from Cincinnati (CVG) to Washington (DCA)](https://www.expedia.com/lp/flights/cvg/dca/cincinnati-to-washington)
- [Flights from Asheville (AVL) to Washington (DCA)](https://www.expedia.com/lp/flights/avl/dca/asheville-to-washington)
- [Flights from Myrtle Beach (MYR) to Washington (DCA)](https://www.expedia.com/lp/flights/myr/dca/myrtle-beach-to-washington)
- [Flights from Honolulu (HNL) to Washington (DCA)](https://www.expedia.com/lp/flights/hnl/dca/honolulu-to-washington)
- [Flights from Tallahassee (TLH) to Washington (DCA)](https://www.expedia.com/lp/flights/tlh/dca/tallahassee-to-washington)
- [Flights from Boise (BOI) to Washington (DCA)](https://www.expedia.com/lp/flights/boi/dca/boise-to-washington)
- [Flights from Boston (BOS) to Washington (DCA)](https://www.expedia.com/lp/flights/bos/dca/boston-to-washington)
- [Flights from Houston (IAH) to Washington (DCA)](https://www.expedia.com/lp/flights/iah/dca/houston-to-washington)
- [Flights from West Palm Beach (PBI) to Washington (DCA)](https://www.expedia.com/lp/flights/pbi/dca/west-palm-beach-to-washington)
- [Flights from Portland (PWM) to Washington (DCA)](https://www.expedia.com/lp/flights/pwm/dca/portland-to-washington)
- [Flights from San Diego (SAN) to Washington (DCA)](https://www.expedia.com/lp/flights/san/dca/san-diego-to-washington)
- [Flights from Bangor (BGR) to Washington (DCA)](https://www.expedia.com/lp/flights/bgr/dca/bangor-to-washington)
- [Flights from Charleston (CHS) to Washington (DCA)](https://www.expedia.com/lp/flights/chs/dca/charleston-to-washington)

\*Available to One Key members.

## Other language versions

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